| kinetic parameters of red pepper waste as biomass to solid biofuel. | this work aimed to study the kinetic of thermal degradation of red pepper waste as solid biofuel to bioenergy production. the thermal degradation experiments were conducted at three heating rates, 5°c/min, 7.5°c/min and 10°c/min in a thermogravimetric analyzer and oxidative atmosphere. the kinetic analysis was carried out applying the isoconversional model of ozawa-flynn-wall. the activation energy was considerate low and varied 29.49-147.25k j/mol. the enthalpies revealed the energy difference ... | 2016 | 26773950 |
| bioaccessibility of provitamin a carotenoids from fruits: application of a standardised static in vitro digestion method. | provitamin a carotenoids (β-carotene, α-carotene, and β-cryptoxanthin) contribute to the dietary intake of vitamin a and are associated with decreased risk of many chronic diseases. besides their contents in foods, their bioaccessibility is of great interest since it represents the amount that will be absorbed in the gut. the aim of this study was to adopt, for the first time, the in vitro digestion model suitable for food, proposed in a consensus paper by minekus et al. (2014), to assess the bi ... | 2016 | 26669648 |
| ochratoxin a in red pepper flakes commercialised in turkey. | the aim of this study was to investigate the presence of ochratoxin a (ota) in red pepper flakes commercialised in turkey. a total of 75 samples were collected from different supermarkets and traditional bazaars in istanbul during 2012-2013. ota analysis was performed by high-performance liquid chromatography equipped with fluorescence detection after immunoaffinity column clean-up. the method was linear in the range 0.05-40 μg kg(-1) (r(2) = 0.9997). twenty-seven out of 31 (87.1%) packed red pe ... | 2016 | 26600093 |
| the effect of capsaicin-containing food on the swallowing response. | the purpose of this study was to determine the effect of regular ingestion of capsaicin-containing food that is easily available in everyday life on the latency of the swallowing response (lsr). pickled napa cabbage was selected as the food for the present study. one portion (10 g) of pickled napa cabbage provides 1.5 µg of capsaicin. participants ingested pickled napa cabbage (10 g) before every meal for 20 days (days 1-20). lsr was measured pre-intervention (day 0) and post-intervention (day 2 ... | 2016 | 26531834 |
| the influence of red pepper powder on the density of weissella koreensis during kimchi fermentation. | weissella koreensis is a psychrophilic bacterium that is the dominant species found in kimchi and exhibits anti-obesity effects via its production of ornithine. in this study, we mined the genome of w. koreensis kacc15510 to identify species-specific genes that can serve as new targets for the detection and quantification of w. koreensis in kimchi. a specific polymerase chain reaction (pcr) primer set for the membrane protein-encoding gene of w. koreensis kacc15510 was designed and investigated ... | 2015 | 26497926 |
| predation of the peach aphid myzus persicae by the mirid predator macrolophus pygmaeus on sweet peppers: effect of prey and predator density. | integrated pest management strategies are widely implemented in sweet peppers. aphid biological control on sweet pepers includes curative applications of parasitoids and generalist predators, but with limited efficiency. macrolophus pygmaeus is a zoophytophagous predator which has been reported to predate on aphids, but has traditionally been used to control other pests, including whiteflies. in this work, we evaluate the effectiveness of m. pygmaeus in controlling myzus persicae (homoptera: aph ... | 2015 | 26463201 |
| exploring supervised neighborhood preserving embedding (snpe) as a nonlinear feature extraction method for vibrational spectroscopic discrimination of agricultural samples according to geographical origins. | supervised neighborhood preserving embedding (snpe), a nonlinear dimensionality reduction method, was employed to represent near-infrared (nir) and raman spectral features of agricultural samples (angelica gigas, sesame, and red pepper), and the newly constructed variables were used to discriminate their geographical origins. this study was done to evaluate the potential of snpe for recognizing minute spectral differences between classes by preserving local relationships, in comparison with wide ... | 2015 | 26452914 |
| baculovirus-induced climbing behavior favors intraspecific necrophagy and efficient disease transmission in spodoptera exigua. | shortly prior to death, many species of lepidoptera infected with nucleopolyhedrovirus climb upwards on the host plant. this results in improved dissemination of viral occlusion bodies over plant foliage and an increased probability of transmission to healthy conspecific larvae. following applications of spodoptera exigua multiple nucleopolyhedrovirus for control of spodoptera exigua on greenhouse-grown sweet pepper crops, necrophagy was observed by healthy s. exigua larvae that fed on virus-kil ... | 2015 | 26402061 |
| capsaicin triggers immunogenic pel cell death, stimulates dcs and reverts pel-induced immune suppression. | capsaicin, the pungent alkaloid of red pepper has been extensively studied for its many properties, especially the anti-inflammatory and anti-oxidant ones. it binds to vanilloid receptor 1, although it has been reported to be able to mediate some effects independently of its receptor. another important property of capsaicin is the anticancer activity against highly malignant tumors, alone or in combination with other chemotherapeutic agents. in this study, we found that capsaicin induced an apop ... | 2015 | 26338963 |
| location, partitioning behavior, and interaction of capsaicin with lipid bilayer membrane: study using its intrinsic fluorescence. | capsaicin is an ingredient of a wide variety of red peppers, and it has various pharmacological and biological applications. the present study explores the interaction of capsaicin with dimyristoylphosphatidylcholine (dmpc) lipid bilayer membrane by monitoring various photophysical parameters using its intrinsic fluorescence. in order to have a clearer understanding of the photophysical responses of capsaicin, studies involving (i) its solvation behavior in different solvents, (ii) the partition ... | 2015 | 26302022 |
| effects of esophageal capsaicin instillation on acid induced excitation of secondary peristalsis in humans. | esophageal instillation of capsaicin or hydrochloric acid enhances secondary peristalsis. our aim was to investigate whether intra-esophageal capsaicin infusion can influence symptom perception and physiological alteration of secondary peristalsis subsequent to acid infusion. | 2016 | 26250995 |
| a low cost training phantom model for radio-guided localization techniques in occult breast lesions. | radio-guided localization (rgl) for identifying occult breast lesions has been widely accepted as an alternative technique to other localization methods, including those using wire guidance. an appropriate phantom model would be an invaluable tool for practitioners interested in learning the technique of rgl prior to clinical application. the aim of this study was to devise an inexpensive and reproducible training phantom model for rgl. we developed a simple rgl phantom model imitating an occult ... | 2015 | 26250621 |
| the anticancer role of capsaicin in experimentallyinduced lung carcinogenesis. | capsaicin (cap) is the chief pungent principle found in the hot red peppers and the chili peppers that have long been used as spices, food additives and drugs. this study investigated the anticancer potential of cap through its ability to modify extracellular matrix components and proteases during mice lung carcinogenesis. | 2015 | 26120484 |
| multiresidue determination of pyrethroid pesticide residues in pepper through a modified quechers method and gas chromatography with electron capture detection. | this study developed and used a modified quick, easy, cheap, efficient, rugged and safe (quechers) method coupled with gas chromatography with electron capture detection to determine eight pyrethroid pesticide residues in green, red and dehydrated red peppers. pyrethroids were extracted with acetonitrile, partitioned with sodium chloride and purified with primary secondary amino and graphitized carbon black in hexane. the quechers extraction conditions were optimized, and the matrix effects that ... | 2016 | 26043404 |
| induction of apoptosis by capsaicin in hepatocellular cancer cell line smmc-7721 is mediated through ros generation and activation of jnk and p38 mapk pathways. | capsaicin, one of the major pungent ingredients found in red peppers, has been shown to have anti-carcinogenic effect on various cancer cells through multiple mechanisms. in this study, we investigated the apoptotic effect of capsaicin on human hepatocellular cancer cell line smmc-7721, as well as the possible mechanisms involved. treatment of smmc-7721 cells with capsaicin resulted in a dose-dependent inhibition of cell-viability and induction of apoptosis which was associated with the generati ... | 2015 | 25997958 |
| the bud midge prodiplosis longifila: damage characteristics, potential distribution and presence on a new crop host in colombia. | the dipteran prodiplosis longifila is a severe pest, mainly of solanaceae, in south america and some years ago it damaged tahiti lime crops in the united states. it is a potential invasive pest. despite its presence in colombia, nothing is known regarding the taxonomic identification of p. longifila or the characteristics of the damage it produces. moreover, the current and potential distributions of this pest are unknown. to determine these factors, p. longifila was sampled in several solanacea ... | 2015 | 25977894 |
| microbiological quality of selected spices and herbs including the presence of cronobacter spp. | the cultivation of spices and herbs in parts of the world characterized by warm climate and high humidity provides excellent conditions for the development of microorganisms, including the undesirable ones. the aim of this study was to determine the microbiological quality of spices and herbs available on the polish market, considering the occurrence of cronobacter species bacteria. analyses covered 60 samples of commercial spices and herbs, including 38 samples of dried herbs (basil, bay leaves ... | 2015 | 25846909 |
| [antiradical properties of essential oils and extracts from clove bud and pimento]. | the antiradical properties of essential oils and extracts from the clove bud (eugenia caryophyllata thumb.) and berries of tree (pimenta dioica (l.) meriff) were studied and compared with the properties of synthetic antioxidant ionol (2,6-ditret-butyl-4-hydroxytoluene, bht) in model reactions with the stable free 2,2-diphenyl-1-picrylhydrazyl (dpph) radical. the essential oils of clove bud and pimento had qualitatively close composition of the main components but differed by their quantitative c ... | 2016 | 25842910 |
| nonivamide enhances mirna let-7d expression and decreases adipogenesis pparγ expression in 3t3-l1 cells. | red pepper and its major pungent principle, capsaicin (cap), have been shown to be effective anti-obesity agents by reducing energy intake, enhancing energy metabolism, decreasing serum triacylglycerol content, and inhibiting adipogenesis via activation of the transient receptor potential cation channel subfamily v member 1 (trpv1). however, the binding of cap to the trpv1 receptor is also responsible for its pungent sensation, strongly limiting its dietary intake. here, the effects of a less pu ... | 2015 | 25704235 |
| the role of diet in the management of non-ulcer dyspepsia. | background dyspepsia is a common symptom with an extensive differential diagnosis and a heterogeneous pathophysiology. many studies have reported that dyspeptic symptoms are associated with ingestion of some foods. current treatments for functional dyspepsia have generally ignored the potential role of diet. methods this cross-sectional study was done at the gastroenterology department of shahid sadoughi hospital, yazd, iran from september 2008 to march 2009. based on the diagnostic criteria for ... | 2015 | 25628849 |
| the effect of addition of selected vegetables on the microbiological, textural and flavour profile properties of yoghurts. | vegetables, apart from having high nutritional value, also contain considerable amounts of dietary fibre and other components, which may affect physico-chemical properties of fermented milks, e.g. viscosity, texture, susceptibility to syneresis, flavour profile etc. the present work was established to study the effect of selected vegetables addition on the rheological, textural, microbiological and flavour profile parameters of yoghurts. | 2017 | 28068019 |
| sweet pepper: aspects of the biology and control of fusarium fruit rot. | internal fruit rot of sweet pepper grown in glasshouses has been an increasing problem worldwide since around 2000. in the uk, surveys in 2007 showed infected fruits were present in many crops at levels from 1 to 37%. the disease causes some losses on production nurseries but more importantly also causes rejection by packers and complaints by supermarkets. losses vary greatly between crops and seasons, and growers are generally unaware a problem may be present until harvest or postharvest. the f ... | 2015 | 27141754 |
| orally given gastroprotective capsaicin does not modify aspirin-induced platelet aggregation in healthy male volunteers (human phase i examination). | capsaicin is a well-known component of red pepper. recent studies have shown that capsaicin could prevent gastric ulcer provoked by various nsaid-s like acetylsalicylic acid (asa). primary objective of this human clinical phase i trial was to investigate whether two different doses of capsaicin co-administered with asa could alter the inhibitory effect of asa on platelet aggregation. 15 healthy male subjects were involved in the study and treated orally with 400 μg capsaicin, 800 μg capsaicin, 5 ... | 2014 | 25532954 |
| postharvest responses of red and yellow sweet peppers grown under photo-selective nets. | postharvest responses of red ('htsp-3') and yellow ('celaya') sweet pepper fruit yield, quality parameters and bioactive compounds (to three types of photo-selective nets and a standard black net) were investigated in this study. red and yellow peppers produced under the black net retained higher β-carotene, lower total phenolic contents and showed deep red and orange colour after storage. both peppers produced under the pearl net retained a higher ascorbic content, antioxidant scavenging activi ... | 2015 | 25466111 |
| capsaicin, nonivamide and trans-pellitorine decrease free fatty acid uptake without trpv1 activation and increase acetyl-coenzyme a synthetase activity in caco-2 cells. | red pepper and its major pungent component, capsaicin, have been associated with hypolipidemic effects in rats, although mechanistic studies on the effects of capsaicin and/or structurally related compounds on lipid metabolism are scarce. in this work, the effects of capsaicin and its structural analog nonivamide, the aliphatic alkamide trans-pellitorine and vanillin as the basic structural element of all vanilloids on the mechanisms of intestinal fatty acid uptake in differentiated intestinal c ... | 2015 | 25422952 |
| capsinoids suppress fat accumulation via lipid metabolism. | capsaicin, found in red peppers, has been reported to have anti‑obesity, anti‑hypertension, anti‑diabetes and anti‑inflammatory functions. in the present study, we determined the effect of non‑pungent capsinoids on the metabolism of adipocytes. we demonstrated that capsinoids suppressed fat accumulation in vivo and in vitro in mice. liver, the main tissue of lipid metabolism, was treated by capsinoids, and hmg‑coa reductase, cpt‑1, fat/cd36 and glut4 were found to be increased significantly, whi ... | 2015 | 25421144 |
| influence of repeated infusion of capsaicin-contained red pepper sauce on esophageal secondary peristalsis in humans. | the transient receptor potential vanilloid 1 has been implicated as a target mediator for heartburn perception and modulation of esophageal secondary peristalsis. our aim was to determine the effect of repeated esophageal infusion of capsaicin-contained red pepper sauce on heartburn perception and secondary peristalsis in healthy adults. | 2014 | 25124733 |
| effect of curing time on the physicochemical and sensory properties of beef jerky replaced salt with soy sauce, red pepper paste and soybean paste. | this study was done to investigate the quality properties of beef jerky with soy sauce, red pepper paste, and soybean paste replacing salt. sliced beef samples were cured in salt (control), soy sauce, red pepper paste, and soybean paste for 24 or 48 h and then dried at 70°c for 8 h. treatments showed higher final moisture content and lower na(+) concentration than the control after drying for 8 h. the lightness and shear force values were lower in all treatment samples than in the control during ... | 2014 | 25083112 |
| capsaicinoids but not their analogue capsinoids lower plasma cholesterol and possess beneficial vascular activity. | capsaicinoids exist in chili peppers, whereas capsinoids are present in some sweet peppers. the present study investigated the effects of capsaicinoids and capsinoids on plasma lipids, relaxation of the aorta, atherosclerotic plaque development, and fecal sterol excretion in hamsters fed a high-cholesterol diet. five groups of male hamsters were given the control diet or one of the four experimental diets containing 1.3 mmol of capsaicinoids (nl), 2.6 mmol of capsaicinoids (nh), 1.3 mmol of caps ... | 2014 | 25078570 |
| the potential antitumor effects of capsaicin. | capsaicin, one of the major pungent ingredients found in red peppers, has been recently demonstrated to induce apoptosis in many types of malignant cell lines including colon adenocarcinoma, pancreatic cancer, hepatocellular carcinoma, prostate cancer, breast cancer, and many others. the mechanism whereby capsaicin induces apoptosis in cancer cells is not completely elucidated but involves intracellular calcium increase, reactive oxygen species generation, disruption of mitochondrial membrane tr ... | 2014 | 24941670 |
| capsaicin and sensory neurones: a historical perspective. | capsaicin, the pungent ingredient of red pepper has become not only a "hot" topic in neuroscience but its new target-related unique actions have opened the door for the drug industry to introduce a new chapter of analgesics. after several lines of translational efforts with over 1,000 patents and clinical trials, the 8% capsaicin dermal patch reached the market and its long-lasting local analgesic effect in some severe neuropathic pain states is now well established. this introductory chapter ou ... | 2014 | 24941663 |
| analysis of etoxazole in red pepper after major modification of quechers for gas chromatography-nitrogen phosphorus detection. | a major modification to the quechers (quick, easy, cheap, effective, rugged and safe) method was developed for the analysis of etoxazole in red pepper using gas chromatography coupled with a nitrogen-phosphorus detector. etoxazole was extracted with acetonitrile, partitioned with magnesium sulfate and purified with a solid-phase extraction cartridge. the method showed good linearity with a determination coefficient (r(2) ) of 0.998 for the 0.02-2.0 mg/l concentration range. the method was valida ... | 2014 | 24861742 |
| screening and quantification of pesticide residues in fruits and vegetables making use of gas chromatography-quadrupole time-of-flight mass spectrometry with atmospheric pressure chemical ionization. | an atmospheric pressure chemical ionization source has been used to enhance the potential of gas chromatography coupled with quadrupole time-of-flight (qtof) mass spectrometry (ms) for screening and quantification purposes in pesticide residue analysis. a screening method developed in our laboratory for around 130 pesticides has been applied to fruit and vegetable samples, including strawberries, oranges, apples, carrots, lettuces, courgettes, red peppers, and tomatoes. samples were analyzed tog ... | 2014 | 24828980 |
| fruit detectability analysis for different camera positions in sweet-pepper. | for robotic harvesting of sweet-pepper fruits in greenhouses a sensor system is required to detect and localize the fruits on the plants. due to the complex structure of the plant, most fruits are (partially) occluded when an image is taken from one viewpoint only. in this research the effect of multiple camera positions and viewing angles on fruit visibility and detectability was investigated. a recording device was built which allowed to place the camera under different azimuth and zenith angl ... | 2014 | 24681670 |
| pesticide residue evaluation in major staple food items of ethiopia using the quechers method: a case study from the jimma zone. | samples of maize, teff, red pepper, and coffee (green bean and coffee bean with pulp) were collected from a local market in the jimma zone, ethiopia. samples were analyzed for the occurrence of cypermethrin, permethrin, deltamethrin, chlorpyrifos ethyl, dtt and its metabolites, and endosulfan (α, β). in the analytical procedure, the quechers (quick, easy, cheap, effective, rugged and safe) extraction methodology with dispersive solid phase extraction clean up (d-spe) technique was applied. valid ... | 2014 | 24648104 |
| capsaicin mediates cell cycle arrest and apoptosis in human colon cancer cells via stabilizing and activating p53. | capsaicin is the major pungent ingredient in red peppers which is world widely consumed. except its potent pain relieving efficacy as reported, capsaicin also exerted its antitumor activity in several tumor models. here, we reported that capsaicin had a profound anti-proliferative effect on human colon cancer cells via inducing cell cycle g0/g1 phase arrest and apoptosis, which was associated with an increase of p21, bax and cleaved parp. the underlying mechanism of capsaicin's antitumor potency ... | 2014 | 24643130 |
| yoghurts with addition of selected vegetables: acidity, antioxidant properties and sensory quality. | yoghurt is a fermented milk of unique sensory, nutritive and dietetic value offered in a variety of types and in different flavours. vegetables belong to the group of food products rich in antioxidant substances (e.g., vitamin c, carotenoids, tocopherols, polyphenols) which regular consumption lowers the risk of many diseases including cancers and cardiovascular disorders. the aim of the present work was to manufacture and assess the acidity, sensory quality and antioxidant capacity of yoghurts ... | 2017 | 24583382 |
| genetic diversity and insecticide resistance during the growing season in the green peach aphid (hemiptera: aphididae) on primary and secondary hosts: a farm-scale study in central chile. | the seasonal dynamics of neutral genetic diversity and the insecticide resistance mechanisms of insect pests at the farm scale are still poorly documented. here this was addressed in the green peach aphid myzus persicae (sulzer) (hemiptera: aphididae) in central chile. samples were collected from an insecticide sprayed peach (prunus persica l.) orchard (primary host), and a sweet-pepper (capsicum annum var. grossum l.) field (secondary host). in addition, aphids from weeds (secondary hosts) grow ... | 2014 | 24484894 |
| [trial for estimating the concentration of pesticide residues in the ingredients of processed foods]. | if pesticide residues are detected at over the uniform limit (0.01 ppm) in processed foods, the maximum residue limits of pesticides in each ingredient should be considered. for that purpose, analysis of pesticide residues in the ingredients would be required, but in many cases it is difficult to obtain ingredients from the same lot, or the processed foods may have been manufactured overseas. thus, a means of estimating pesticide concentrations in ingredients before processing would be important ... | 2013 | 24389469 |
| lesser known indigenous vegetables as potential natural egg colourant in laying chickens. | a six-week study involving two hundred and fifty (250) harco black layer birds at point of lay was conducted to investigate the effects of potential natural colorant on performance and egg quality traits. the birds were assigned to five (5) dietary treatments, each containing supplements either of control, baobab leaf (bl), waterleaf (wl), red pepper (rp), canthaxanthin (ctx) at 40 g/kg feed and 50 mg/kg feed of natural and commercial colorants, respectively. | 2014 | 26290707 |
| in vitro assessment of the bioaccessibility of carotenoids from sun-dried chilli peppers. | chilli peppers have been recognized as an excellent source of antioxidants as they are rich in bioactive phytochemicals such as carotenoids which are known to exert various beneficial effects in vivo. absorption is an important factor in the determination of the potential biological effects of carotenoids. the bioaccessibility of a food constituent such as a carotenoid represents its potential to be absorbed in humans. there is very limited information in the literature regarding the content and ... | 2014 | 24272195 |
| a matrix sensitive gas chromatography method for the analysis of pymetrozine in red pepper: application to dissipation pattern and phrl. | a gas chromatography (gc) method for the analysis of pymetrozine was developed after utilizing matrix enhancement effect of pymetrozine to nitrogen phosphorus detector (npd). samples were extracted with acetonitrile and purified through primary secondary amine (psa) and c18 dispersive sorbent. matrix-matched calibration curve prepared after spiking standard pymetrozine across the studied range of concentrations (0.003-1.0mg/l) into blank red pepper extract was excellent with a determination coef ... | 2014 | 24176366 |
| aroma quality assessment of korean fermented red pepper paste (gochujang) by aroma extract dilution analysis and headspace solid-phase microextraction-gas chromatography-olfactometry. | the objective of this study was to assess aroma quality of gochujang using purge and trap, simultaneous steam distillation and solvent extraction (sde), and headspace solid-phase microextraction (hs-spme), followed by gas chromatography-olfactometry (gc-o). nineteen and 28 aroma-active compounds were detected by aroma extract dilution analysis of purge and trap and sde, respectively. diallyl disulfide and 3-isobutyl-2-methoxypyrazine played a significant role in the aroma quality of gochujang. t ... | 2014 | 24128505 |
| extraction of lycopene from tomato paste by ursodeoxycholic acid using the selective inclusion complex method. | lycopene, a precursor of β-carotene with well-known antioxidant activity and powerful health properties, can be found in many natural products such as tomato (lycopersicon esculentum), watermelon, red pepper, and papaya. many separation methods have been reported for extracting lycopene from its sources. the inclusion complex is an effective method for extraction and purification of organic chemicals. this procedure has 2 main components: host and guest molecules. in this study, lycopene (guest) ... | 2013 | 24111697 |
| red pepper: from the kitchen to the pharmacy. | | 2013 | 24078979 |
| selective determination of thiram residues in fruit and vegetables by hydrophilic interaction lc-ms. | thiram belongs to the most important class of dithiocarbamate (dtc) fungicides including dimethyldithiocarbamates (dmds), ethylenebis(dithiocarbamtes) (ebds) and propylenebis(dithiocarbamates) (pbds). during the surface extraction of fruit and vegetables for the lc-ms determination of residues of dmds, ebds and pbds, thiram is reduced by the penicillamine buffer to the dmd anion, thus resulting in false-positive findings of dmd fungicides like ziram. therefore, an alkaline sulfite buffer was app ... | 2013 | 24070320 |
| tissue microstructure, physicochemical properties, and bioactive compound locations in different sweet pepper types. | this article focuses on the location and content of some bioactive compounds in three different california sweet pepper types (red, green and yellow). the location was studied using different microscopic techniques, such as scanning electron microscopy at low temperatures (cryo-sem) and light microscopy. several physicochemical properties of the samples (carotenoid content, total soluble phenol content, antioxidant activity, dietary fibre content, total soluble solids content, ph and textural pr ... | 2015 | 23996968 |
| in vitro comparison of a novel facilitated ultrasound targeting technology vs standard technique for percutaneous renal biopsy. | to improve the understanding of the epidemiology of renal cortical neoplasms through pretreatment biopsy, we evaluated a facilitated ultrasound targeting (fut) technology. the technology allows a needle to be passed through the transducer probe and guided along a virtual dotted line on the monitor. we compared the fut with standard percutaneous biopsy (pb) technique. | 2013 | 23987170 |
| green synthesis of carbon dots with down- and up-conversion fluorescent properties for sensitive detection of hypochlorite with a dual-readout assay. | high quality carbon dots (c-dots) with down- and up-conversion fluorescence have been synthesized through low-temperature carbonization using sweet pepper as the carbon source. the c-dots with a quantum yield (qy) of 19.3% exhibit superior photophysical properties, for example, narrow and symmetric emission spectra, large stock shifts, resistance to photobleaching, and excitation-dependent fluorescence behavior. the excellent c-dots serve as useful fluorescent probes for hypochlorite (clo(-)) de ... | 2013 | 23982153 |
| capsaicin-induced metabolic and cardiovascular autonomic improvement in an animal model of the metabolic syndrome. | the metabolic syndrome (mets) is associated with an increased risk of cardiac mortality, as it is characterised by the clustering of multiple cardiovascular risk factors. studies have shown that capsaicin (red pepper) may be useful as a nutraceutical, ameliorating metabolic profile and cardiovascular function. the aim of the present study was to investigate the cardiovascular and metabolic effects of orally administered capsaicin in rats with the mets. neonate spontaneously hypertensive rats wer ... | 2014 | 23968579 |
| application of carrier element free coprecipitation (cefc) method for determination of co(ii), cu(ii) and ni(ii) ions in food and water samples. | a simple and highly sensitive separation and preconcentration procedure, which has minimal impact on the environment, has been developed. the procedure is based on the carrier element free coprecipitation (cefc) of co(ii), cu(ii), and ni(ii) ions by using 2-{4-[2-(1h-indol-3-yl)ethyl]-3-(4-methylbenzyl)-5-oxo-4,5-dihydro- 1h-1,2,4-triazol-l-yl}-n'-(pyridin-2-yl methylidene)acetohydrazide (imotpa), as an organic coprecipitant. the levels of analyte ions were determined by flame atomic absorption ... | 2013 | 23878931 |
| [dietary risk factors of undifferenced nasopharyngeal carcinoma : a case-control study]. | the incidence of nasopharyngeal carcinoma (npc) is relatively high in maghreb countries. this cancer is a model of multifactorial oncogenesis, but the role of food as risk factor in ethiopathogenesis of this tumor is not negligible. | 2013 | 23868040 |
| will decision-support systems be widely used for the management of plant diseases? | decision-support systems (dsss) are interactive computer-based systems that help decision makers solve unstructured problems under complex, uncertain conditions. experimental use of dsss has resulted in improved disease suppression and lowered risks of crop damage. in many cases, it has also led to the use of smaller quantities of active substances, as compared with standard spraying practices. hundreds of dsss have been developed over the years and are readily available and affordable. however, ... | 2013 | 23767845 |
| simultaneous determination of free capsorubin and capsanthin in red pepper powder using u-hplc. | a simultaneous ultra-hplc (u-hplc) method for the determination of free capsorubin and capsanthin in red pepper powder was validated in terms of its precision, accuracy, and linearity. the u-hplc separation was performed on an rp c18 column (particle size 2 pm, id 2 mm length 100 mm) and with a photodiode-array detector. the recoveries of capsorubin were greater than 83.8 +/- 1.7%; the lod and loq of the u-hplc analyses were 0.043 and 0.129 mg/kg, respectively. the intraday and interday precisio ... | 2017 | 23767359 |
| capsaicin provokes apoptosis and restricts benzo(a)pyrene induced lung tumorigenesis in swiss albino mice. | capsaicin (cap), a constituent of red chilli and red pepper is exposed to exert compelling anticarcinogenic effects. in the present study, we examined the anti-tumorigenic potential of cap on benzo(a)pyrene-induced mice lung tumorigenesis by analyzing the markers of apoptosis. intraperitoneal administration of cap (10mg/kg body weight) to swiss albino mice suppressed the development of lung carcinoma by amending the protein expressions of apoptotic regulators p53, bcl-2, bax and caspase-3. the a ... | 2013 | 23747734 |
| comparable effects of capsaicin-containing red pepper sauce and hydrochloric acid on secondary peristalsis in humans. | we aimed to evaluate whether acute esophageal instillation of capsaicin and hydrochloric acid had different effects on distension-induced secondary peristalsis. | 2013 | 23730892 |
| effect of new and old pesticides on orius armatus (gross) - an australian predator of western flower thrips, frankliniella occidentalis (pergande). | orius armatus (gross) is an important predator of western flower thrips, frankliniella occidentalis (pergande) (thysanoptera: thripidae) in australian glasshouse grown sweet pepper. the failure of o. armatus to establish in some glasshouses has been attributed to the use of newer, more non-selective pesticides, some of which are regarded to be compatible with integrated pest management. the residual toxicity (via direct and indirect contact) of several older and newer chemistry pesticides were e ... | 2014 | 23616278 |
| antioxidant effectiveness of vegetable powders on the lipid and protein oxidative stability of cooked turkey meat patties: implications for health. | lipid and protein oxidation decreases the shelf-life of foods and may result in formation of end-products potentially detrimental for health. consumer pressure to decrease the use of synthetic phenolic antioxidants has encouraged identification of alternative compounds or extracts from natural sources. we have assessed whether inclusion of dried vegetable powders improves the oxidative stability of turkey meat patties. such powders are not only potentially-rich sources of phenolic antioxidants, ... | 2013 | 23595133 |
| low-concentration capsaicin promotes colorectal cancer metastasis by triggering ros production and modulating akt/mtor and stat-3 pathways. | colorectal cancer (crc), one of the most common human malignancies, is a major public health problem in the developed world. capsaicin, widely used as a food additive and as an analgesic agent, is a major pungent ingredient of red pepper. though capsaicin-induced apoptosis was previously reported in cancer cells, relatively little is known about the impact of capsaicin on other aspect of cancer cell behavior. in this study, we demonstrated that treatment with high-concentration of capsaicin (≥ 2 ... | 2013 | 23581408 |
| drug release from nanoparticles embedded in four different nanofibrillar cellulose aerogels. | highly porous nanocellulose aerogels prepared by freeze-drying from various nanofibrillar cellulose (nfc) hydrogels are introduced as nanoparticle reservoirs for oral drug delivery systems. here we show that beclomethasone dipropionate (bdp) nanoparticles coated with amphiphilic hydrophobin proteins can be well integrated into the nfc aerogels. nfcs from four different origins are introduced and compared to microcrystalline cellulose (mcc). the nanocellulose aerogel scaffolds made from red peppe ... | 2013 | 23500041 |
| kochujang, fermented soybean-based red pepper paste, decreases visceral fat and improves blood lipid profiles in overweight adults. | health benefits of kochujang (kcj) and its bioactive compounds have been reported in several in vitro and animal studies. | 2013 | 23442518 |
| the methylarginines nmma, adma, and sdma are ubiquitous constituents of the main vegetables of human nutrition. | endogenous methylarginines, n(g),n(g)-dimethyl-l-arginine (asymmetric dimethylarginine, adma), n(g)-n('g)-dimethyl-l-arginine (symmetric dimethylarginine; sdma), and n(g)-monomethyl-l-arginine (monomethylarginine; nmma) are supposed to be produced in human body through the methylation of protein arginine residues by protein arginine methyltransferases (prmt) and released during proteolysis of the methylated proteins. micromolar concentration of adma and nmma can compete with arginine for nitric ... | 2013 | 23438481 |
| capsaicin induces cell cycle arrest and apoptosis in human kb cancer cells. | capsaicin, a pungent phytochemical in a variety of red peppers of the genus capsicum, has shown an anti-proliferative effect on various human cancer cell lines. in contrast, capsaicin has also been considered to promote the growth of cancer cells. thus, the effects of capsaicin on various cell types need to be explored. the anti-proliferative effects of capsaicin on human kb cancer cells are still unknown. therefore, we examined the viability, cell cycle progression, and factors associated with ... | 2013 | 23433093 |
| chlorpyrifos residues in food plant in the region of setif-algeria. | the epidemiological studies demonstrate that the residues of pesticides in plant food, increases the impact of cancers on the professionally populations. the effect of the residues of pesticides can also be at the origin of dysfunction of the reproductive systems, endocrinal and immune systems, ague attack and column of the nervous system and the deterioration of lungs. in this study, chlorpyrifos residues in the samples were detected and quantified by employing high performance liquid chromatog ... | 2013 | 25145235 |
| red pepper: an aid for gut functional diseases with pain? | | 2013 | 24714314 |
| [daily life disability associated with dementia]. | daily life disability associated with dementia including alzheimer disease involves a series of difficulties in performing daily tasks. people with this disability have difficulty in being active individually, participating in society, and carrying out daily tasks. evidence suggests that its causes are lesions in specific areas of the brain. for example, focal lesions appear to be specifically correlated with symptoms of apraxia and agnosia. in general, cognitive decline in the course of dementi ... | 2013 | 24601095 |
| involvement of the phosphoinositide 3-kinase/akt pathway in apoptosis induced by capsaicin in the human pancreatic cancer cell line panc-1. | capsaicin, one of the major pungent ingredients found in red peppers, has been recently demonstrated to induce apoptosis in various malignant cell lines through an unclear mechanism. in this study, the effect of capsaicin on proliferation and apoptosis in the human pancreatic cancer cell line panc-1 and its possible mechanism(s) of action were investigated. the results of a cell counting kit-8 (cck-8) assay revealed that capsaicin significantly decreased the viability of panc-1 cells in a dose-d ... | 2013 | 23255891 |
| rpf101, a new capsaicin-like analogue, disrupts the microtubule network accompanied by arrest in the g2/m phase, inducing apoptosis and mitotic catastrophe in the mcf-7 breast cancer cells. | breast cancer is the world's leading cause of death among women. this situation imposes an urgent development of more selective and less toxic agents. the use of natural molecular fingerprints as sources for new bioactive chemical entities has proven to be a quite promising and efficient method. capsaicin, which is the primary pungent compound in red peppers, was reported to selectively inhibit the growth of a variety tumor cell lines. here, we report for the first time a novel synthetic capsaic ... | 2013 | 23238560 |
| the use of olfactory and visual cues in host choice by the capsid bugs lygus rugulipennis poppius and liocoris tripustulatus fabricius. | lygus rugulipennis poppius and liocoris tripustulatus fabricius (heteroptera: miridae) are pests of glasshouse cucumber and sweet pepper crops respectively. l. rugulipennis has a wide range of foodplants, but l. tripustulatus is specialised with very few food plants. we report behavioural assessments to investigate whether either species exhibits a preference for salad over wild hosts, and whether the role of olfaction and vision in response to cues from host plants can be distinguished. olfacto ... | 2012 | 23226493 |
| micro-encapsulation of ozonated red pepper seed oil with antimicrobial activity and application to nonwoven fabric. | in recent years, functional fabrics possessing antimicrobial activity have drawn significant interest because antibiotic resistance is becoming widespread among pathogenic micro-organisms. the aim of this study was to produce microcapsules incorporating ozonated red pepper seed oil (orpso) with antimicrobial properties and apply them to nonwoven fabrics to prepare functional textiles. red pepper seed oil (rpso) was ozonated and micro-encapsulated via a complex coacervation method using gelatin ( ... | 2013 | 23190094 |
| review: effect of drugs on human cough reflex sensitivity to inhaled capsaicin. | capsaicin, the pungent extract of red peppers, has been used in clinical research for almost three decades. capsaicin has gained favor as the provocative agent of choice to measure cough reflex sensitivity, as it induces cough in a safe, reproducible, and dose-dependent manner. one of the major uses of capsaicin cough challenge testing has been to evaluate the effect of a pharmacological intervention on the human cough reflex. the current review summarizes the published experience with capsaicin ... | 2012 | 23146824 |
| occurrence and exposure assessment of aflatoxins in catalonia (spain). | the main objective of this study was to assess the exposure of catalonian (spain) population to afs. thus, two sub-objectives were considered: (1) to assess the occurrence of afs in food marketed in catalonia, and (2) to assess the consumption of those foods susceptible to afs contamination by catalonian population. afs were analysed in a total of 603 samples considering special commodities as free-gluten, ethnic or baby foods. analytical method consisted of an extraction and clean-up of aflatox ... | 2013 | 23046858 |
| effects of dietary red pepper on egg yolk colour and histological intestinal morphology in laying hens. | to evaluate the effect of three kinds of red pepper supplementation 'kagawa hontaka' produced at shiwaku islands (khs), miki (khm) and takanotsume (tkt) on production performance, egg quality and intestinal histology in laying hens. a total of 32 laying hens (39 weeks of age) were randomly allotted to four groups, each comprising eight hens. birds were fed a basal diet supplemented with red pepper at 0% (control), 0.5% khs, 0.5% khm and 0.5% tkt, respectively. compared with the control group, no ... | 2013 | 23033816 |
| capsiate improves glucose metabolism by improving insulin sensitivity better than capsaicin in diabetic rats. | red peppers and red pepper paste are reported to have anti-obesity, analgesic and anti-inflammatory effects in animals and humans due to the capsaicin in red pepper. we investigated whether consuming capsaicin and capsiate, a nonpungent capsaicin analogue, modifies glucose-stimulated insulin secretion, pancreatic β-cell survival and insulin sensitivity in 90% pancreatectomized (px) diabetic rats, a moderate and non-obese type 2 diabetic animal model. px diabetic rats were divided into 3 treatmen ... | 2013 | 23026494 |
| serving styles of raw snack vegetables. what do children want? | the primary aim of this study was to investigate how serving styles of snack vegetables appeal to children, focusing on size and shape. a secondary aim was to investigate children's willingness to participate in fruit and vegetable subscription services at school, and how these could be designed. one hundred and thirty eight children aged 9-12 years indicated their liking for a snack meal comprising a combination of carrots, cucumber, and red pepper. the meal was presented in eight different ser ... | 2012 | 22796947 |
| the protective mechanisms of cahsp26 in transgenic tobacco to alleviate photoinhibition of psii during chilling stress. | a known sweet pepper cdna clone, cahsp26 encoding the chloroplast-localized small heat shock protein (cpshsp), was isolated and introduced into tobacco plants. it has been reported that cahsp26 is a member of the cpshsp gene family related to extreme temperature tolerance in plants. in the present work, the transcripts were detected in the transgenic tobacco lines. the actual quantum yield of photosynthesis (φpsii), non-photochemical quenching, and stomatal conductance (gs) in the transgenic lin ... | 2012 | 22790321 |
| capsaicin inhibits benzo(a)pyrene-induced lung carcinogenesis in an in vivo mouse model. | lung cancer is a serious health problem in most developed countries and its incidence rate is profusely increasing. capsaicin, a component of red chilli and red pepper has been studied widely for its chemopreventive properties. the aim of the present study is to explore the anti-tumor activity of capsaicin against benzo(a)pyrene-induced lung tumorigenesis in swiss albino mice. | 2012 | 22735861 |
| acute effects of capsaicin on proopioimelanocortin mrna levels in the arcuate nucleus of sprague-dawley rats. | capsaicin, a noxious stimulant and main component of the hot flavor of red peppers, has an analgesic effect when administered to humans. we investigated the expression of proopioimelanocortin (pomc) mrna in the arcuate nucleus of sprague-dawley (sd) rats after administering capsaicin, hypothesizing that administering capsaicin activates the central opioid system. | 2012 | 22707971 |
| [distribution and accumulation characteristics of nutrients in solar greenhouse soil in ji'nan, shandong province of east china]. | taking the solar greenhouses with different cultivating years and vegetables in ji'nan as test objects, this paper studied the amounts and frequency distribution of soil nutrients and the relationships between cultivating years and soil nutrients accumulation characteristics, and analyzed the factors causing soil salinization and acidification by fitting soil nutrients contents with cultivating years and vegetables. in the greenhouses, the contents of soil alkali-hydrolysable nitrogen, available ... | 2012 | 22489488 |
| ultrasound-guided breast biopsy for surgical residents: evaluation of a phantom model. | ultrasound is increasingly used by surgeons for evaluation of breast lesions. while surgical residents have sufficient exposure to breast surgery, many lack exposure to office-based procedures, such as ultrasound-guided breast biopsy. a phantom model was created to teach surgical residents basic breast ultrasound and biopsy skills and to evaluate the resident's response when incorporated into the curriculum. | 2012 | 22483146 |
| effect of sampling size on the determination of accurate pesticide residue levels in japanese agricultural commodities. | the uncertainty in pesticide residue levels (uprl) associated with sampling size was estimated using individual acetamiprid and cypermethrin residue data from preharvested apple, broccoli, cabbage, grape, and sweet pepper samples. the relative standard deviation from the mean of each sampling size (n = 2(x), where x = 1-6) of randomly selected samples was defined as the uprl for each sampling size. the estimated uprls, which were calculated on the basis of the regulatory sampling size recommende ... | 2012 | 22475588 |
| comparative chemical composition and in vitro antioxidant activities of essential oil isolated from the leaves of cinnamomum tamala and pimenta dioica. | cinnamomum tamala nees and eberm (tejpat) and pimenta dioica (l.) merr (pimento) leaves are commonly used for flavouring food and widely used in pharmaceutical preparations because of their hypoglycemic, carminative and stimulant properties. in this study, we compared the chemical composition and antioxidant activities of tejpat and pimento essential oils by employing various in vitro methods. gc and gc-ms analyses were done to find out the chemical composition, and the main constituent identifi ... | 2013 | 22424088 |
| mechanism-based inhibition of recombinant human cytochrome p450 3a4 by tomato juice extract. | this study investigates whether tomato juice can inhibit cytochrome p450 (cyp) 3a4-mediated drug metabolism. three commercially available, additive-free tomato juices, along with homogenized fresh tomato, were analyzed for their ability to inhibit testosterone 6β-hydroxylation activity using human recombinant cyp3a4. results were compared to that of grapefruit juice. ethyl acetate extracts of the tomato juices moderately reduced residual activity of cyp3a4 testosterone 6β-hydroxylation activity ... | 2012 | 22382318 |
| occupational rhinitis induced by capsaicin. | capsaicin is the spice component of red pepper. it can be easily inhaled, inducing a reproducible cough and provokes a secretory response from the human nasal mucosa. to date, there has been no report of occupational rhinitis (or) caused by capsaicin. we report the case of a 44-year-old female mill worker who developed occupational rhinitis after 4 years of exposure to capsaicin. she developed nasal congestion, rhinorrhea, and itchy nose, which were all aggravated upon exposure at the workplace. ... | 2012 | 22379606 |
| physicochemical properties and sensory evaluation for the heat level (hot taste) of korean red pepper powder. | this study investigated the heat level rating of several varieties of korean red peppers. the chemical constitution of korean red pepper samples were as follows: 0.54∼290.15 mg% capsaicinoids, 79.22∼139.09 asta value, and 16.76∼29.92% free sugar content. the heat level of the korean red pepper samples was evaluated by trained panelists and the correlation coefficient and f value (0.001%) of the panelist's results were determined to be significant. in the principle component analysis (pca), pc1 ( ... | 2012 | 24471060 |
| activity and expression of polygalacturonase vary at different fruit ripening stages of sweet pepper cultivars. | activity and expression of polygalacturonase (pg), a hydrolytic enzyme involved in ultrastructural changes in the pericarp of sweet pepper (capsicum annaum), were investigated at different ripening stages of the pepper cultivars mandi and talanduo. molecular cloning of capg was carried out by constructing a cdna library from three stages of fruit ripening. morphological determination, pg assay, rt-pcr, and ultrastructural studies were used to quantify changes in capg gene expression in the peric ... | 2011 | 22180000 |
| spices and energy balance. | the sensory properties of foods and beverages are primary determinants of food choice. some flavor components have an inherent hedonic valence that influences ingestive behavior. however, these hedonic impressions may be modified and others newly formed through their association with the post-ingestive consequences of food and beverage consumption. flavor-active compounds, including spices, also modify digestive, absorptive and metabolic processes through direct activation of signaling pathways ... | 2012 | 22079580 |
| polyphenolic compounds in clove and pimento and their antioxidative activities. | two new polyphenolic glucosides, 6'-o-acetylisobiflorin (1) and (2s)-3-(4-hydroxy-3-methoxyphenyl)-propane-1,2-diol 1-o-(6'-o-galloyl)-β-d-glucoside (2), were respectively isolated from the flower buds of syzygium aromaticum and berries of pimenta dioica. each structure was elucidated on the basis of spectral analyses (nmr, ms and [α](d)) and chemical conversion. a total of twenty-seven known compounds from the plants were also characterized. the antioxidative activity of their extracts and the ... | 2011 | 22056438 |
| the effects of capsaicin and capsiate on energy balance: critical review and meta-analyses of studies in humans. | consumption of spicy foods containing capsaicin, the major pungent principle in hot peppers, reportedly promotes negative energy balance. however, many individuals abstain from spicy foods due to the sensory burn and pain elicited by the capsaicin molecule. a potential alternative for nonusers of spicy foods who wish to exploit this energy balance property is consumption of nonpungent peppers rich in capsiate, a recently identified nonpungent capsaicin analog contained in ch-19 sweet peppers. ca ... | 2012 | 22038945 |
| determination of capsaicin and dihydrocapsaicin in capsicum fruit samples using high performance liquid chromatography. | the aim of the present study was to determine the content of capsaicin and dihydrocapsaicin in capsicum samples collected from city markets in riyadh (saudi arabia), calculate their pungency in scoville heat units (shu) and evaluate the average daily intake of capsaicin for the population of riyadh. the investigated samples consisted of hot chillies, red chillies, green chillies, green peppers, red peppers and yellow peppers. extraction of capsaicinoids was done using ethanol as solvent, while h ... | 2011 | 22024959 |
| effects of capsaicin on lipid catabolism in 3t3-l1 adipocytes. | capsaicin (8-methyl-n-vanillyl-6-nonenamide) is a pungent ingredient of red peppers, and has been reported to reduce body weight gain and adiposity in rodents. the present study investigated the effects of capsaicin on lipid catabolism in differentiated 3t3-l1 adipocytes. capsaicin decreased the intracellular lipid content in a concentration-dependent manner. the release of glycerol into the medium was increased by the addition of capsaicin. the mrna levels of genes involved in lipid catabolism ... | 2011 | 21626599 |
| effect of red pepper on symptoms of irritable bowel syndrome: preliminary study. | abdominal pain, that characterizes irritable bowel syndrome (ibs) together with bloating and disordered defecation, is mainly related to a visceral hypersensitivity due to an increase of trpv(1) nociceptive nerve fiber activity. | 2011 | 21573941 |
| composition and antioxidant activity of essential oil of pimento (pimenta dioica (l) merr.) from jamaica. | the composition and antioxidant activity of the essential oil obtained through hydrodistillation of pimento berry [pimenta dioica (l.) merr] samples, namely p1 and p2, sourced from jamaica, were studied. the chemical composition was analysed by gc and gc-ms methods. the antioxidant activities of the oils were evaluated in terms of their free-radical-scavenging activity against 1,1-diphenyl-2-picrylhydrazyl (dpph), 2,2'-azinobis (3-ethylbenzothiazoline-6-sulphonic acid) diammonium salt (abts) rad ... | 2011 | 21246442 |
| the effects of hedonically acceptable red pepper doses on thermogenesis and appetite. | previous studies suggest consumption of red pepper (rp) promotes negative energy balance. however, the rp dose provided in these studies (up to 10 g/meal) usually exceeded the amount preferred by the general population in the united states (mean=~1 g/meal). the objective of this study was to evaluate the effects of hedonically acceptable rp doses served at a single meal in healthy, lean individuals on thermogenesis and appetite. twenty-five men and women (aged 23.0 ± 0.5 years, bmi 22.6 ± 0.3 kg ... | 2011 | 21093467 |
| recent advances in the study on capsaicinoids and capsinoids. | chili peppers are the major source of nature capsaicinoids, which consist of capsaicin, dihydrocapsaicin, nordihydrocapsaicin, homodihydrocapsaicin, and homocapsaicin, etc. capsaicinoids are found to exert multiple pharmacological and physiological effects including the activities of analgesia, anticancer, anti-inflammation, antioxidant and anti-obesity. therefore, capsaicinoids may have the potential value in clinic for pain relief, cancer prevention and weight loss. in addition, capsaicinoids ... | 2011 | 20946891 |
| expression of pat and npt ii proteins during the developmental stages of a genetically modified pepper developed in korea. | estimation of the protein levels introduced in a biotechnology-derived product is conducted as part of an overall safety assessment. an enzyme-linked immunosorbent assay (elisa) was used to analyze phosphinothricin acetyltransferase (pat) and neomycin phosphotransferase ii (npt ii) protein expression in a genetically modified (gm) pepper plant developed in korea. pat and npt ii expression levels, based on both dry weight and fresh weight, were variable among different plant generations and plant ... | 2010 | 20873787 |
| metabolomic characterization of italian sweet pepper (capsicum annum l.) by means of hrmas-nmr spectroscopy and multivariate analysis. | hrmas-nmr spectroscopy was used to assess the metabolic profile of sweet pepper (capsicum annum l.). one-dimensional and two-dimensional nmr spectra, performed directly on sample pieces of few milligrams, hence without any chemical and/or physical manipulation, allowed the assignment of several compounds. organic acids, fatty acids, amino acids, and minor compounds such as trigonelline, c4-substituted pyridine, choline, and cinnamic derivatives were observed with a single experiment. a significa ... | 2010 | 20715777 |
| effects of capsaicin-containing red pepper sauce suspension on esophageal secondary peristalsis in humans. | capsaicin-sensitive afferents have been implicated in the modulation of gastrointestinal sensorimotor functions. secondary peristalsis is important for the clearance of retained refluxate or material from the esophagus. the aim of this study was to evaluate the effects of capsaicin-containing red pepper sauce suspension on esophageal secondary peristalsis in healthy adults. | 2010 | 20618832 |
| capsaicin, a component of red peppers, stimulates protein kinase ckii activity. | protein kinase ckii (ckii), a heterotetramer composed of two catalytic (alpha or alpha') subunits and two regulatory (beta) subunits, plays a critical role in cell proliferation and anti-apoptosis. recently, capsaicin was shown to trigger apoptosis. therefore, we examined the effect of capsaicin on ckii activity. although capsaicin induced apoptotic death in hela cells, ckii activity was increased in the cytosolic fraction of hela cells after treatment. capsaicin did not change the expression of ... | 2010 | 20510015 |
| cellular antioxidant activity of common vegetables. | the measurement of antioxidant activity using biologically relevant assays is important to screen fruits, vegetables, natural products, and dietary supplements for potential health benefits. the cellular antioxidant activity (caa) assay quantifies antioxidant activity using a cell culture model and was developed to meet the need for a more biologically representative method than the popular chemistry antioxidant capacity measures. the objective of the study was to determine the caa, total phenol ... | 2010 | 20462192 |