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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 55, Number 6
JKCSEZ 55(6)
December 20, 2011

Title	Extracting (-)-hydroxycitric Acid from Dried Rinds of Garcinia oblongifolia Champ. ex Benth by Using Microwave
Author	Dang Quang Vinh*, Dao Hung Cuong, Nguyen Thuong
Keywords	Garcinia oblongifolia, (-)-hydroxycitric acid, Microwave
Abstract	Surveys on the process of extracting acid from dried rinds of Garcinia oblongifolia Champ. ex Benth (G. oblongifolia) using microwave in terms of time, machine power and solid/liquid rate, have resulted in such findings as: the best time allocation for extracting is 25 minutes; machine power works best at level 2 (microwave power is 400 W); suitable rate of solid/liquid is 0.071 (approximately 150 mL solvent per 10 g of sample). The total amounts acid and (-)-hydroxycitric acid extracted from 100 g dried rinds of G. oblongifolia are 18.592 g and 10.137g respectively. This is the first finding on extraction of (-)-HCA from dried rinds of G. oblongifolia using microwave.
Page	983 - 987
Full Text	PDF

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