authentic identification of stigma croci (stigma of crocus sativus) from its adulterants by molecular genetic analysis. | stigma croci, stigma of crocus sativus l., is a precious traditional chinese medicine, which is commonly used to activate blood circulation and to dissipate blood stasis. three plant species, carthamus tinctorius l., hemerocallis fulva (l.) l. and hemerocallis citrina baroni, could carry the name stigma croci in the commercial markets of south east asia. however, c. sativus is the only one that has proven its effectiveness, while the others could act as adulterants. the authentic identification ... | 2001 | 11301875 |
inhibition of human tumor cell proliferation by novel anthraquinones from daylilies. | daylilies (hemerocallis) are used medicinally in eastern asia and extracts of the plant had been shown to inhibit cell proliferation and induce cancer cells to undergo differentiation. in our studies of the constituents of hemerocallis fulva var. 'kwanzo' roots, we isolated a series of new [kwanzoquinones a (1), b (2), c (4), d (5), e (6), f (7), g (9)] and known [2-hydroxychrysophanol (3) and rhein (8)] anthraquinones. these compounds were tested in order to determine their potential roles as c ... | 2004 | 14741736 |
growth inhibitory activities of crude extracts obtained from herbal plants in the ryukyu islands on several human colon carcinoma cell lines. | there is increasing interest in the use of herbs for the treatment of human diseases including cancer. therefore, the purpose of this study was to determine whether crude extracts obtained from 44 herbal plants in the ryukyu islands might contain components capable of inhibiting the growth of a variety of human colon carcinoma cell lines. leaves, roots and other parts of the plants were extracted with chloroform, and the crude extracts were dissolved in dimethylsulfoxide and used for the experim ... | 2005 | 16235999 |
in vitro and vivo antioxidant activities of daylily flowers and the involvement of phenolic compounds. | daylily (hemerocallis fulva linn.) flowers were hot air-dried and freeze-dried after harvest. antioxidant properties of water and ethanol extracts prepared from these dried flowers were evaluated in terms of total antioxidant activity, reducing capacity, and metal chelating activity. extracts from daylily flowers exhibited strong antioxidant activity. ethanol was more efficiency to extract antioxidants than water, and freeze-drying preserved higher activities than air-drying. rutin, (+)-catechin ... | 2007 | 17392104 |
enhancement of lipolytic responsiveness of adipocytes by novel plant extract in rat. | subcutaneous adipocytes accumulate excess energy as triglycerides, but lipolytic response is less sensitive to catecholamines than visceral adipocytes. obesity also induces catecholamine resistance of adipocytes. we have searched for crude drugs that could enhance the lipolytic response to noradrenalin. in this study, the lipolysis-promoting activities and action mechanisms of a novel plant extract from hemerocallis fulva (he) were investigated in isolated adipocytes from rat subcutaneous fat. h ... | 2009 | 19934365 |
[anti-erosion effect of hedgerows in hillside croplands of danjiangkou based on the evaluation with water erosion prediction project (wepp) model]. | based on the data of field experiments on the hillside croplands of danjiangkou, hubei province of china, the input files of crop characters, management measures, slope gradient and length, and soil properties for running wepp model (hillslope version) were established. combining with the local weather data, a simulation study with the model was made on the runoff and soil loss of the croplands protected by four kinds of hedgerows (amorpha fruticosa, lonicera japonica, hemerocallis fulva, and po ... | 2010 | 21265164 |
sequence analysis and genetic diversity of five new indian isolates of cucumber mosaic virus. | cucumber mosaic virus (cmv) is an important virus since it causes severe losses to many economically important crops worldwide. five new isolates of cmv were isolated from naturally infected hippeastrum hybridum, dahlia pinnata, hemerocallis fulva, acorus calamus and typhonium trilobatum plants, all exhibiting severe leaf mosaic symptoms. for molecular identification and sequence analyses, the complete coat protein (cp) gene of these isolates was amplified by rt-pcr. the resulting amplicons were ... | 2015 | 26666188 |
[a new mannose-specific lectin from daylily (hemerocallis fulva l.) rhizome: purification and properties]. | a new lectin was purified from the daylily (hemerocallis fulva l.) with the yield of approximately 10 mg per kg of fresh plant rhizome. the purification procedure was based on application of the affinity chromathography on the column with yeast mannan and the ion-exchange chromatography on the column with deae-toyopearl. the lectin possessed low affinity for alpha-methyl-d-mannopyranoside, d-fructose, d-turanose and 2-acetamido-d-galactopyranose and hight affinity for the yeast mannan. the lecti ... | 2015 | 23808307 |
antioxidant activity in extracts of 27 indigenous taiwanese vegetables. | the objectives of this study were to identify the antioxidants and antioxidant axtivity in 27 of taiwan's indigenous vegetables. lycium chinense (lc), lactuca indica (li), and perilla ocymoides (po) contained abundant quercetin (que), while artemisia lactiflora (al) and gynura bicolor (gb) were rich in morin and kaempferol, respectively. additionally, nymphoides cristata (nc) and sechium edule (se)-yellow had significantly higher levels of myricetin (myr) than other tested samples. cyanidin (cya ... | 2014 | 24858497 |
fungal planet description sheets: 214-280. | novel species of microfungi described in the present study include the following from south africa: cercosporella dolichandrae from dolichandra unguiscati, seiridium podocarpi from podocarpus latifolius, pseudocercospora parapseudarthriae from pseudarthria hookeri, neodevriesia coryneliae from corynelia uberata on leaves of afrocarpus falcatus, ramichloridium eucleae from euclea undulata and stachybotrys aloeticola from aloe sp. (south africa), as novel member of the stachybotriaceae fam. nov. s ... | 2014 | 25264390 |
co-purification, co-imniunoprecipitation, and coordinate expression of acetyl-coenzyme a carboxylase activity, biotin carboxylase, and biotin carboxyl carrier protein of higher plants. | acetyl-coa carboxylase (accase; ec 6.4.1.2) is a regulatory enzyme of fatty acid synthesis, and in some higher-plant plastids is a multi-subunit complex consisting of biotin carboxylase (bc), biotin-carboxyl carrier protein (bccp), and carboxyl transferase (ct). we recently described a nicotiana tabacum l. (tobacco) cdna with a deduced amino acid sequence similar to that of prokaryotic bc. we here provide further biochemical and immunological evidence that this higher-plant polypeptide is an aut ... | 1996 | 28321661 |
[effects of inter-row economic crop planting on soil moisture in a rain-fed jujube orchard in loess hilly region, china]. | soil moisture variation in dryland sloping jujube. orchard was investigated after introducing two economic crops, i.e., feed brassica napus (jr) and hemerocallis fulva (jh) planted between jujube rows. jujube tree without inter-row crop was set as control (ck). the results showed that mean soil moisture for jr and jh in the 0-180 cm soil layer increased by 6.2% and 10.1% compared with ck, respectively. soil moisture changed mainly in the 0-60 cm soil layer in growth stage of jujube trees. soil m ... | 2016 | 27396124 |
barcoding melting curve analysis for rapid, sensitive, and discriminating authentication of saffron (crocus sativus l.) from its adulterants. | saffron (crocus sativus l.) is one of the most important and expensive medicinal spice products in the world. because of its high market value and premium price, saffron is often adulterated through the incorporation of other materials, such as carthamus tinctorius l. and calendula officinalis l. flowers, hemerocallis l. petals, daucus carota l. fleshy root, curcuma longa l. rhizomes, zea may l., and nelumbo nucifera gaertn. stigmas. to develop a straightforward, nonsequencing method for rapid, ... | 2014 | 25548775 |
[effects of different planting modes on the soil permeability of sloping farmlands in purple soil area]. | taking bare land as the control, this paper studied the effects of different planting modes on the soil permeability of sloping farmlands in purple soil area. for the test six planting modes, the soil permeability was in the order of eriobotrya japonica > citrus limon > vetiveria zizanioides hedgerows +corn >leucaena leucocephala hedgerows + corn> hemerocallis fulva > corn> bare land, and decreased with increasing depth. the eigenvalues of soil infiltration were in the order of initial infiltrat ... | 2013 | 23755487 |
paenibacillus oenotherae sp. nov. and paenibacillus hemerocallicola sp. nov., isolated from the roots of herbaceous plants. | two gram-staining-positive, aerobic, endospore-forming, motile bacteria, strains dt7-4t and dle-12t, were isolated from roots of evening primrose (oenothera biennis) and day lily (hemerocallis fulva), respectively, and subjected to taxonomic characterization. analysis of 16s rrna gene sequences indicated that the two strains fell into two distinct phylogenetic clusters belonging to the genus paenibacillus. strain dt7-4t was most closely related to paenibacillus phyllosphaerae palxil04t and paeni ... | 2015 | 25977281 |