نتایج جستجو برای: flavonoid compounds catechin
تعداد نتایج: 237053 فیلتر نتایج به سال:
Since the first studies published in the fifties and sixties (Nakaoki et al., 1956; Harney and Grant, 1964; Bate-Smith, 1965), many authors have investigated the flavonoid chemistry of Lotus corniculatus (Table 1 and Table 2) and demonstrated the richness and diversity of flavonoid compounds in this species. Some authors have examined the variation with altitude of the flavonoid content of Lotu...
The relationship between phenolics and flavonoids synthesis/accumulation and photosynthesis rate was investigated for two Malaysian ginger (Zingiber officinale) varieties grown under four levels of glasshouse light intensity, namely 310, 460, 630 and 790 μmol m(-2)s(-1). High performance liquid chromatography (HPLC) was employed to identify and quantify the polyphenolic components. The results ...
The research investigated the possible antifungal behavior of forty-four truffles bioactive compounds conducted to investigate interaction modes these inhibitors against three different types fungal proteins: Candida albicans, Blastomyces dermatitidis, and Ganoderma microsporum. applied method in contrast ketoconazole griseofulvin revealed anti-fungal agents ergosterol, Catechin gallate rutin. ...
Background and objectives: The Mullein genus is the largest genus of Scrophulariaceae family which has extensive natural habitat in southwest of Iran. Mullein contains compounds such as phenolic compounds, mucilage, saponins and anthocyanin. The aim of this study was to evaluate the total flavonoid content and antioxidant activity of mullein ecotypes in Iran. Methods: <...
The MeOH extract from dried whole Botrychium ternatum plants yielded 33 compounds, including seventeen new flavonoid glycosides and sixteen known compounds. The structures of new compounds were established using NMR spectroscopic analysis and chemical evidence.
Phenolic compounds including flavonoids and phenolic acids are plants secondary metabolites. Due to their ability to act as antioxidant agents, there is a growing interest to use those components in traditional medicine for cancer prevention or treatment. The aim of this study was to measure the amounts of total phenolics and flavonoids as well as anti-proliferative effect of aqueous extract of...
Objective: The aim of this study is to determine the phytochemical contents and antioxidant activity Helianthemum lippii (L.) Dum.Cours. crude extract. Methods: For preliminary analysis, standard procedures were applied, while identification quantification individual phenolic compounds performed by HPLC analysis. Folin–Ciocalteu method was used evaluate total acid content plant extracts, flavon...
Studies on flavonoid metabolism. Biliary and urinary excretion of metabolites of (+)-[U-14C]catechin
The antioxidant, anti-α-glucosidase and anticholinesterase activity of the leaves and rhizomatous extract of Bergenia cordifolia were investigated. The rhizomes extract that showed a higher degree of 1,1-diphenyl-2-picrylhydrazyl radical scavenging and anti-α-glucosidase activity than reference compounds (rutin and acarbose respectively) were subjected to phytochemical analysis. The study revea...
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