Simultaneous quantification of phenolic acids and flavonoids in Chamaerops humilis L. using LC–ESI-MS/MS
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Phenolic Acids and Flavonoids in Hypericum Perforatum L. Hairy Roots
Investigations have been made to develop an efficient protocol for identification and quantification of phenolic acids and flavonoids in hairy roots (HR) of Hypericum perforatum L. HR were induced from root segments of in vitro grown seedlings from H. perforatum, after co-cultivation with Agrobacterium rhizogenes A4. Transgenic status of HR was confirmed by PCR analysis using rolB specific prim...
متن کاملPhenolic acids and flavonoids of Theobroma cacao L.; separation and identification by paper chromatography.
Previous investigations on the phenolic constituents of Theobroma cacao L. have been largely limited to studies on the polyphenols of the ripe bean (Forsyth, 1952, 1955; Forsyth & Quesnel, 1957), which have been shown to be of major importance in determining the taste characteristics of processed cacao. Studies are now being pursued in this Laboratory on the nature of the factors determining th...
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Luteolin 7-O-glucuronide, luteolin 7-O-glucurono-(1-->6)-glucoside, apigenin 7-O-glucuronide as well as free aglycones luteolin and apigenin have been isolated from lemon catnip herb (Nepeta cataria L. var citriodora). Luteolin 7-O-glucurono-(1-->6)-glucoside is probably a new compound, for the first time described. Two minor constituents of flavonoid fraction have been identified as apigenin 7...
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Extraction procedure was standardized and for the soluble, glycoside, and wall-bound fractions of phenolic acids from Vetiveria zizanioides. The water soluble alkaline extract which represents the cell wall-bound fraction contained the highest amount of phenolic acids (2.62 ± 1.2 μM/g fwt GA equivalents). Increased phenolic content in the cell wall indicates more lignin deposition which has an ...
متن کاملAntioxidant properties and Flavonoids-Phenolic content of citrullus colocynthis (L.) schrad growing in Khuzestan, Iran
Introduction: Free radicals cause several human diseases. Antioxidants decrease the risk of cardiovascular diseases and heart attack, and prevent the development of cancers through neutralization of free radicals. This study set out to determine the antioxidative properties of Citrullus colocynthis growing in Khuzestan. This plant is traditionally used for the treatment of type II diabetes. ...
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ژورنال
عنوان ژورنال: Food Science and Technology
سال: 2018
ISSN: 1678-457X,0101-2061
DOI: 10.1590/fst.19917