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Phytochemicals are chemical compounds produced by plants, generally to help them resist fungi, bacteria and plant virus infections, and also consumption by insects and other animals. The name comes from Greek φυτόν (phyton) 'plant'.
Phytochemistry is the study of phytochemicals, which are chemicals derived from plants.Phytochemists strive to describe the structures of the large number of secondary metabolites found in plants, the functions of these compounds in human and plant biology, and the biosynthesis of these compounds.
The Australian Phytochemical Survey later also fostered collaborations with Smith, Kline & French, a pharmaceutical company from Philadelphia as well as National Institutes of Health Clinical Center in Bethesda, Maryland which was established in relation to the screening and study of potential anti-tumour agents arising through the survey. [2]
Dr. Duke's Phytochemical and Ethnobotanical Databases is an online database developed by James A. Duke at the USDA. The databases report species, phytochemicals, and biological activity, as well as ethnobotanical uses. [1] The current Phytochemical and Ethnobotanical databases facilitate plant, chemical, bioactivity, and ethnobotany searches.
Phytochemical Analysis is a bimonthly peer-reviewed scientific journal established in 1991 and published by John ... "Screening of Plant Extracts for Antioxidant ...
Phytochemical screening of the plant has identified the presence of several chemical constituents, including cardiac glycosides, saponins, flavonoids, tannins, alkaloids, sterols, and phenols. [6] The plant contains compounds such as limonene , sabinene , α-pinene , β-caryophyllene , as well as α- and β-eudesmol .
Mass spectrometry is used in conjunction with chromatography for environmental screening processes. Mass spectrometry methods are generally used for analysis of environmental contaminant monitoring, particularly in aquatic environments (though they can be applied in non-aquatic environments, such as with screening pesticides on plant matter [9]), paired with chromatography for separation.
"Phytochemical screening, functional groups and element analysis of Tylophora pauciflora Wight and Arn" (PDF). International Research Journal of Pharmacy. 3 (6): 180– 183. Tylophora pauciflora in Flora of India