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Yaekob, H., Salem, N. (2006). FLAVONOIDS AND COUMARINS OF Thymus capitatus. Journal of Soil Sciences and Agricultural Engineering, 31(3), 1741-1752. doi: 10.21608/jssae.2006.237075
Hanona S. Yaekob; Nahed A. E. Salem. "FLAVONOIDS AND COUMARINS OF Thymus capitatus". Journal of Soil Sciences and Agricultural Engineering, 31, 3, 2006, 1741-1752. doi: 10.21608/jssae.2006.237075
Yaekob, H., Salem, N. (2006). 'FLAVONOIDS AND COUMARINS OF Thymus capitatus', Journal of Soil Sciences and Agricultural Engineering, 31(3), pp. 1741-1752. doi: 10.21608/jssae.2006.237075
Yaekob, H., Salem, N. FLAVONOIDS AND COUMARINS OF Thymus capitatus. Journal of Soil Sciences and Agricultural Engineering, 2006; 31(3): 1741-1752. doi: 10.21608/jssae.2006.237075

FLAVONOIDS AND COUMARINS OF Thymus capitatus

Article 3, Volume 31, Issue 3, March 2006, Page 1741-1752  XML PDF (528.38 K)
Document Type: Original Article
DOI: 10.21608/jssae.2006.237075
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Authors
Hanona S. Yaekob; Nahed A. E. Salem
Desert Research Center Mataria. Cairo
Abstract
Chromatographic investigation of phenolic, flavonoid and coumarin contents of Thymus capitatus revealed the presence of 5 compounds of flavonoids,one phenolic acid and 3 compounds of coumarins, identified through Rf- values, complete and partial acid hydrolysis, UV spectral data, mass spectral data; 1H -NMR and 13C-NMR analysis, where the following flavonoids  were  proved  to be  present in Thymus  capitatus:  kaempferol –3–rutinoside, kaempferol–3–0-rhamnoside,4–0-glucoside, rutin, apigenin – 7 – 0- rhamanoglucoside, quercetin and P- coumaric acid. Meanwhile the coumarins were scopoletin, 6, 7 dimethoxycoumarin and herniarin. The percentage of total flavonoids reached 0.30%.
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