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Two flavonol glycosides from Chenopodium quinoa
1Dipartimento di Chimica delle Sostanze Naturali, Università di Napoli Federico II, Italy.
Phytochemistry
|January 1, 1990
Summary
Two new flavonol glycosides were identified in Chenopodium quinoa seeds. These compounds, including specific kaempferol derivatives, expand our understanding of plant-based flavonoids.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
Background:
- Chenopodium quinoa seeds are a source of bioactive compounds.
- Flavonol glycosides are known for their diverse biological activities.
Purpose of the Study:
- To isolate and characterize novel flavonol glycosides from Chenopodium quinoa seeds.
- To elucidate the chemical structures of the isolated compounds.
Main Methods:
- Phytochemical analysis of Chenopodium quinoa seeds.
- Isolation techniques such as chromatography.
- Structure elucidation using spectroscopic methods (e.g., NMR, Mass Spectrometry).
Main Results:
- Two new flavonol glycosides were successfully isolated.
- The structures were determined to be specific kaempferol derivatives: kaempferol 3-apiofuranosyl(1"----2")rhamnopyranosyl(1"----6")galactoside and kaempferol 3-apiofuranosyl(1"----2")rhamnopyranosyl(1"----6")galactoside.
- Kaempferol 3-(2,6-dirhamnopyranosyl)galactoside was identified as the predominant flavonoid glycoside.
Conclusions:
- The study successfully identified and characterized two new flavonol glycosides from Chenopodium quinoa.
- These findings contribute to the phytochemical knowledge of Chenopodium quinoa and its potential as a source of novel bioactive compounds.