Flavone and Flavonol Glycosides

Harborne, Jeffrey B.; Williams, Christine A.

doi:10.1007/978-1-4899-2909-9_8

Cited by 51 publications

(40 citation statements)

References 185 publications

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“…2). The use of Gal to form the pyranoside and the 1+2 interglycosidic linkage is rather uncommon in flavonol3-O-glycosides (Harborne and Williams, 1988) by CMF pollen were virtually identical with the values obtained for the flavonol glycosides isolated from V26 pollen and Corylus avellana pollen and with literature values for reference compounds (Strack et al, 1984;Zerback et al, 1989).…”

Section: Biochemical and Structural Analysis Of Pollen Flavonol Clycosupporting

confidence: 84%

Flavonol 3-O-Glycosyltransferases Associated with Petunia Pollen Produce Gametophyte-Specific Flavonol Diglycosides

Vogt

Taylor

1995

Plant Physiol.

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Section: Biochemical and Structural Analysis Of Pollen Flavonol Clycosupporting

confidence: 84%

Flavonol 3-O-Glycosyltransferases Associated with Petunia Pollen Produce Gametophyte-Specific Flavonol Diglycosides

Vogt

Taylor

1995

Plant Physiol.

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“…It gave positive tests for phenols and exhibited a fluorescent blue spot on TLC under UV lamp changing to bright yellow colour on fuming with ammonia and UV absorption maxima at 250, 290, 332 nm typical for caffeote ester. 32 IR spectrum showed characteristic absorption bands for hydroxyl groups (3425, 3366, 3255 cm -1 ), ester group (1720 cm -1 ) and aromatic ring(1605, 1517, 1074 cm -1 ). On the basis of FAB mass and 13 C NMR spectra, the molecular weight of Compound-1 was established at m/z 616 consistent to the molecular formula of glucosidic menthyl teucrol, C 33 H 45 O 11 .…”

Section: Resultsmentioning

confidence: 99%

Untitled

2016

IJPSR

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ABSTRACT:Mentha piperitais currently one of the most economically important aromatic and medicinal crops in all over the world. Phytochemical investigation of the leaves of Mentha piperita (L.) (Lamiaceae) yielded a new compound, which is decarboxyrosemarinic acid galactoside. Formulate as 3', 4'-dihydroxy-β-phenyl ethyl caffeate-4-(3'''-menthyl)-4'-β-D-galacto pyranoside. 13C NMR, 1H NMR, FABMS, IR were used for structural characterization. Wound healing responses of this compound was evaluated from biochemical as well as biophysical parameters and analyze the role of isolated compound. The parameters studied included rate of wound contraction and the period of epithelialization in excision wound model. Tissues were removed on different days of intervals and subsequently analyzed for specific assays Tensile strength in incision wound model was assessed along with histopathological examinations. Compound-1was found to increase the cellular proliferation and collagensynthesis at the wound site, as indicated by increases in amounts of DNA synthesized, protein content. Compound-1treatment was also shown to decrease the levels of lipid peroxides (LPs), while the activity of enzymes superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx), were significantly found to be increased when compared to the control. This study demonstrates and validates the efficacy of Mentha piperita isolated compounds on wound healing activity.

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“…A small amount of the dry extract was used for the phytochemical tests (Harborne, 1994) for compounds which contain alkaloids, flavonoids, saponins and glycosides while steroids and tannins are absent in entirely the crude extracts.…”

Section: Phytochemical Screening Of Plant Extract:-mentioning

confidence: 99%