| the traditional medical uses and cytotoxic activities of sixty-one egyptian plants: discovery of an active cardiac glycoside from urginea maritima. | medicinal plants from the sinai desert are widely used in traditional bedouin medicine to treat a range of conditions including, cancers, and may thus be useful sources of novel anti-tumor compounds. information on plants used in this way was obtained through collaboration with bedouin herbalists. | 2013 | 23228916 |
| inhalative occupational and ingestive immediate-type allergy caused by chicory (cichorium intybus). | we report a first case of occupational allergy to chicory (cichorium intybus) in a vegetable wholesaler. symptoms occurred after oral, cutaneous or inhalatory exposure. the patient also reported reactions after ingestion of botanically related endive (cichorium endivia) and lettuce (lactuca sativa). we identified the responsible allergen by sds-page and immunoblot to be a 48-kda protein, confined to the non-illuminated parts of the plants. no cross-reactivity was found with mugwort (artemisia vu ... | 1996 | 8877160 |
| composition of the phyllospheric microbial populations on vegetable plants with different glucosinolate and carotenoid compositions. | the plant phyllosphere is intensely colonized by a complex and highly diverse microbial population and shows pronounced plant-species-specific differences. the mechanisms and influencing factors determining whether and in which density microorganisms colonize plant phyllosphere tissues are not yet fully understood. one of the key influencing factors is thought to be phytochemical concentration and composition. therefore, correlations between various concentrations of individual glucosinolates an ... | 2008 | 18183453 |
| endive plantlets from freely suspended cells and cell groups grown in vitro. | callus tissue derived from mature embryos of the endive, cichorium endivia linn. (family compositae) grows and develops chlorophyll on a completely defined nutrient medium. the tissue breaks up into a thick suspentsion of cells and cell groups in a liquid medium kept in a flask on a shaker. gradually, many small round masses of tissue, designated here as embryoids, are formed; these become differentiated and organized to form numnerous small plantlets having typical curled and fringed green leav ... | 1964 | 14173033 |
| Hepatoprotective activity of Cichorium endivia L. extract and its chemical constituents. | The objective of the present study was to investigate the in vitro and in vivo hepatoprotective properties of Cichorium endivia L. extract (CEE), and to identify its chemical constituents. CEE significantly blocked the oxidative stress and cytotoxicity induced by tert-butyl hydroperoxide (t-BHP) in HepG2 cells. Meanwhile, oral administration of CEE to mice before the treatment of t-BHP exhibited a markedly protective effect by lowering serum levels of ALT and AST, inhibiting the changes in liver ... | 2011 | 22033140 |
| arsenic uptake and accumulation in curly endives (cichorium endivia l.) irrigated with contaminated water. | arsenic accumulation in vegetables for direct human consumption represents a concern for food safety purposes. this potential problem can be of economic importance particularly in much appreciated, high-quality horticultural products. in this work, a greenhouse set of experiments were conducted to evaluate possible phytotoxic effects and arsenic accumulation in the production of curly endives with arsenic contaminated water.two concentration levels (0.5 mg/l and 1.0 mg/l) and two arsenic species ... | 2006 | 16753964 |
| pseudomonads associated with midrib rot and soft rot of butterhead lettuce and endive. | during the past ten years, bacterial soft rot and midrib rot of glasshouse-grown butterhead lettuce (lactuca sativa l. var. capitata) and field-grown endive (cichorium endivia l.) has become increasingly common in the region of flanders, belgium. severe losses and reduced market quality caused by bacterial rot represent an important economical threat for the production sector. symptoms of midrib rot are a brownish rot along the midrib of one or more inner leaves, often accompanied by soft rot of ... | 2005 | 16637164 |
| comparison of the phenotypes and genotypes of biofilm and solitary epiphytic bacterial populations on broad-leaved endive. | the discovery that biofilms are ubiquitous among the epiphytic microflora of leaves has prompted research about the impact of biofilms on the ecology of epiphytic microorganisms and on the efficiency of strategies to manage these populations for disease control and to ensure food safety. biofilms are likely to influence the microenvironment and phenotype of the microorganisms they harbor. however, it is also important to determine whether there are differences in the types of bacteria within bio ... | 2004 | 15259273 |
| [compositae dermatitis]. | compositae dermatitis is an allergic contact dermatitis caused by plant species of the compositae family. the first report of a cutaneous reaction to the chrysanthemum genus was made by howe js in 1887. in 1895 maiden jh reported about skin lesions among men working with tagetes minuta. case reports of contact allergic-ragweed dermatitis appeared in the american literature as early as 1919. the north american feverfew--parthenium hysterophorus was brought to india from america in 1956 and it cau ... | 2009 | 12793186 |
| sesquiterpenoids and phenolics from roots of cichorium endivia var. crispum. | twelve known sesquiterpene lactones and the new guaianolide 10beta-methoxy-1alpha, 11beta,13-tetrahydrolactucin (10), together with three known phenolic acid esters were isolated from roots of cichorium endivia var. crispum. the compounds were characterized by spectral methods. | 2006 | 16797141 |
| hydroxycinnamic acid derivatives occurring in cichorium endivia vegetables. | the hydroxycinnamic acid derivatives found in chicorium endivia var. crispum and var. latifolium polyphenolic extracts were detected and characterized by high-performance liquid chromatography (hplc) combined with photodiode array detector (dad) and electrospray ionization-tandem mass spectrometry (esi-ms/ms). the method provides data (molecular weight and diagnostic fragment ions) on the molecular structure of compounds. the combined approach enabled identification of four hydroxycinnamic deriv ... | 2008 | 18515031 |
| sesquiterpenes from the roots of cichorium endivia. | twelve new sesquiterpene and sesquiterpene glycosides were obtained along with eleven known compounds from the roots of cichorium endivia (compositae). the compounds were identified as guaianolide, germacrenolide and elemanolide, based on spectroscopic methods and chemical evidence. | 2008 | 18827387 |
| identification of phenolic constituents in cichorium endivia var. crispum and var. latifolium salads by high-performance liquid chromatography with diode array detection and electrospray ioniziation tandem mass spectrometry. | chicory is a widely consumed vegetable and a source of phenolic compounds. phenolic acid and flavonoid derivatives were identified in cichorium endivia var. crispum and var. latifolium and fully characterized using complementary information from two different high-performance liquid chromatography detectors, diode array and mass spectrometer, in positive and negative modes. we describe about 40 phenolic compounds, some of which have never previously been reported in these plants, such as hydroxy ... | 2012 | 23157223 |
| effects of brassinosteroid analogues on total phenols, antioxidant activity, sugars, organic acids and yield of field grown endive (cichorium endivia l.). | cichorium endivia l., either cooked or eaten raw in salads, is a favourite cultivated vegetable around the world and the popularity is attributed to its healthy properties, which are mainly due to its high levels of antioxidant compounds and high content of minerals, provitamin a and vitamins. brassinosteroids are a family of hormones that are found in plants and which serve as potent growth promoters. the effects of two brassinosteroid analogues, di-31 and di-100, were evaluated at concentratio ... | 2013 | 23184906 |
| (3s)-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid from cichorium endivia. l induces apoptosis of human colorectal cancer hct-8 cells. | cichorium endivia. l, consumed either cooked or eaten raw in salads, is a popular kind of vegetable cultivated all around the world. its components have been widely used in folk medicine in anti-inflammatory therapy. however, the anti-cancer activity of the components has never been reported. in this study, (3s)-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid (1), an amino acid isolated from c. endivia. l, was found for the first time to show cytotoxic activity in colorectal cancer cell line hc ... | 2012 | 23275050 |
| (1)h and (13)c nmr assignments of cytotoxic 3s-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid from the leaves of cichorium endivia. | an amino acid, 3s-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid, was isolated for the first time from the leaves of cichorium endivia. the complete assignment of its (1)h and (13)c nmr spectroscopic data was carried out also for the first time based on extensive 1d and 2d nmr experiments. cytotoxicity of this isolated compound against hct-8 and hepg2 human cancer cell lines was evaluated for the first time, with moderate activities being found. | 2012 | 23304641 |
| genomics of compositae crops: reference transcriptome assemblies and evidence of hybridization with wild relatives. | although the compositae harbours only two major food crops, sunflower and lettuce, many other species in this family are utilized by humans and have experienced various levels of domestication. here, we have used next-generation sequencing technology to develop 15 reference transcriptome assemblies for compositae crops or their wild relatives. these data allow us to gain insight into the evolutionary and genomic consequences of plant domestication. specifically, we performed illumina sequencing ... | 2014 | 24103297 |
| intra- and interspecific chromosome polymorphisms in cultivated cichorium l. species (asteraceae). | endive (cichorium endivia l.) and chicory (c. intybus l.) both have 2n = 18, but until now, there has been no detailed karyomorphological characterization. the present work evaluated five accessions of each species using fish with rdna probes and fluorochrome staining with cma and dapi. both species presented distinct banding patterns after fluorochrome staining: while endive had proximal cma(++)/dapi(-) bands in the short arms of pairs 1, 2 and 3, chicory had proximal cma-positive bands in chro ... | 2013 | 24130443 |
| [study on anti-oxidative effect of extracts from cichorium endivia on hepg2 cells and its mechanism]. | to investigate the protective effect of extracts from cichorium endivia (cee) in h2o2-induced hepg2 cell oxidative stress injury, and explore the antioxidant mechanism of cee in hepg2 cells. | 2014 | 25272502 |
| diversity of active constituents in cichorium endivia and cynara cornigera extracts. | the present study attempts to explore the phytochemical constituents of different extracts from cynara cornigera and cichorium endivia plant materials. the two species studied are native in egypt. five different solvents, viz., aqueous, methylene chloride, petroleum ether, ethyl acetate, and n-butanol were used. phytochemical analysis revealed the presence of phenols, flavonoids, sterols (stigmasterol and beta-sitosterol), terpenes (α-amyrin, ursolic and oleanolic acid), and hydrocarbons (n-alka ... | 2015 | 25740442 |
| cadmium accumulation in leaves of leafy vegetables. | leafy vegetables have a relatively high potential for cd uptake and translocation, and are thus considered cd accumulators. for this reason, leaves and roots of lettuce (lactuca sativa l.) and endive (cichorium endivia l.) plants, grown on different agricultural soils in campania region (southern italy), subjected to different fertilisation treatments (unfertilisation, compost amendment and mineral fertilisation), were analysed for cd concentrations. moreover, to clarify if the highest concentra ... | 2016 | 26004982 |
| the impact of sesquiterpene lactones and phenolics on sensory attributes: an investigation of a curly endive and escarole germplasm collection. | in the present study, curly endive (cichorium endivia l. var. crispum) and escarole (cichorium endivia l. var. latifolium) accessions were investigated for their sensory characters (bitterness, astringency and herbaceous flavour) and acceptance in relation to sesquiterpene lactone and phenolic content. different facets of the perception of these sensory traits in relation to lactones and phenolics were brought out. lactucopicrin and kaempferol malonyl glucoside were consistently related to bitte ... | 2016 | 26775966 |
| screening and evaluation of active compounds in polyphenol mixtures by hplc coupled with chemical methodology and its application. | an off-line high performance liquid chromatography (hplc) coupled with chemical methods has been developed to evaluate antioxidant activity of 11 standard polyphenol compounds (spcs) and vitamin c (vc) in terms of radical scavenging abilities. the structure-activity relationships of each spc were also discussed. spcs showed different abilities in scavenging 2,2-diphenyl-1-picrylhydrazyl (dpph), 2,2'-azinobis-3-ethyl-benzthiazoline-6-sulphonate (abts(+)) and hydroxyl (oh) free radicals. among spc ... | 2017 | 28274421 |
| sesquiterpene lactones from cichorium endivia l. and c. intybus l. and cytotoxic activity. | | 1988 | 3240468 |
| population sizes, immigration, and growth of epiphytic bacteria on leaves of different ages and positions of field-grown endive (cichorium endivia var. latifolia). | total, fluorescent, and pectolytic epiphytic bacterial population sizes were quantified on leaves of different age groups of broad-leaved endive during field cultivation from leaf emergence until harvest. greater bacterial population densities (log(inf10) cfu per square centimeter) were observed on outer leaves than on inner leaves of the plants throughout the growing season. these differences were statistically significant for total bacterial populations at all sampling times and were often sig ... | 1995 | 16534973 |
| effect of variety, processing, and storage on the flavonoid glycoside content and composition of lettuce and endive. | eight varieties of lettuce (lactuca sativum) and three varieties of endive (cichorium endivia) were analyzed for flavonoid composition and content. total flavonoid contents, expressed as units of aglycon for fresh material, were in the ranges of 0.3-229 microg/g for lettuce and 44-248 microg/g for endive. five quercetin conjugates [quercetin 3-o-galactoside, quercetin 3-o-glucoside, quercetin 3-o-glucuronide, quercetin 3-o-(6-o-malonyl)glucoside, and quercetin 3-o-rhamnoside] and luteolin 7-o-gl ... | 2000 | 10995297 |
| effects of carbon dioxide on the fate of listeria monocytogenes, of aerobic bacteria and on the development of spoilage in minimally processed fresh endive. | minimally processed fresh broad-leaved endive (cichorium endivia l.) were stored at 3 and 10 degrees c in modified atmospheres containing air, 10% co2/10% o2, 30% co2/10% o2, and 50% co2/10% o2. the effects of these modified atmospheres on the fate of both aerobic bacteria and three strains of listeria monocytogenes, was investigated. increases in co2 concentrations significantly reduced the growth of the aerobic microflora. the best preservation of the visual quality occurred on endive leaves s ... | 1996 | 8880336 |
| occurrence of p-nonylphenol isomers in wild species of cichorium endivia subsp. divaricatum. | p-nonylphenol isomers and other aromatic compounds were found in roots and stalks of the plant cichorium endivia subsp. divaricatum. these compounds were characterized by high-resolution capillary gc-ms. | 2002 | 12371814 |
| [isolation and identification of the flavon(ol)glycosides of the endive (cichorium endivia l.) and the lettuce (lactuca sativa l.) (author's transl)]. | | 2016 | 4277861 |
| occupational dermatitis from lactuca sativa (lettuce) and cichorium (endive). simultaneous occurrence of immediate and delayed allergy as a cause of contact dermatitis. | four patients with occupational contact dermatitis to lactuca sativa had cross-sensitivity to cichorium endivia. one of the patients also had contact urticaria to lactuca and cichorium, and another reacted positively to scratch tests with these plants as a sign of immediate allergy. in two cases such immediate allergy was considered the cause of a vesicular, intense itching eruption within a few minutes of contact with fresh leaves of lactuca on previously eczematous skin. the severe chronic der ... | 1977 | 139283 |
| dry deposition of gaseous radioiodine and particulate radiocaesium onto leafy vegetables. | radionuclides released to the atmosphere during dry weather (e.g. after a nuclear accident) may contaminate vegetable foods and cause exposure to humans via the food chain. to obtain experimental data for an appropriate assessment of this exposure path, dry deposition of radionuclides to leafy vegetables was studied under homogeneous and controlled greenhouse conditions. gaseous (131)i-tracer in predominant elemental form and particulate (134)cs-tracer at about 1 mum diameter were used to identi ... | 2009 | 19640563 |