[KSCI] Korea Science Citation Index Service

Monitoring on Extraction Yields and Functional Properties of Brassica oleracea var. capita Extracts

Kim, Hyun-Ku (Korea Food Research Institute)
Lee, Gee-Dong (DG-Traditional Bio-Materials Industry Center)
Kwon, Joong-Ho (Department of Food Science and Technology, Kyungpook National University)
Kim, Kong-Hwan (Division of Biotechnology and Nanotechnology, Ajou University)

Publication Information

Food Science and Biotechnology / v.14, no.6, 2005 , pp. 836-840 More about this Journal

Abstract

Extraction characteristics of Bonus species of Brassica oleracea var. capita and functional properties of corresponding extract were monitored by response surface methodology (RSM). Maximum extraction yield of 44.07% was obtained at ratio of solvent to sample of 27.94 mL/g, ethanol concentration of 24.35%, and extraction temperature of $55.21^{\circ}C$ . At ratio of solvent to sample, ethanol concentration, and extraction temperature of 21.11 mL/g, 58.53%, and $68.83^{\circ}C$ , respectively, maximum electron-donating ability was 48.44%. Maximum inhibitory effect on tyrosinase was 68.94% at ratio of solvent to sample, ethanol concentration, and extraction temperature of 24.08 mL/g, 10.49%, and $78.71^{\circ}C$ , respectively. Superoxide dismutase (SOD) showed maximum pseudo-activity of 24.78% at ratio of solvent to sample of 22.66 mL/g, ethanol concentration of 45.69%, and extraction temperature of $93.81^{\circ}C$ . Based on superimposition of four-dimensional RSM with respect to extraction yield, electron-donating ability, and pseudo-activity of SOD, optimum ranges of extraction conditions were ratio of solvent to sample of 20-30 mL/g, ethanol concentration of 35-65%, and extraction temperature of $50-80^{\circ}C$ .

Keywords

cabbage; yield; functionality; monitoring; RSM; tyrosinase; antioxidant;

Citations & Related Records

Times Cited By KSCI : 6 (Citation Analysis)
Times Cited By Web Of Science : 0 (Related Records In Web of Science)

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