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KMID : 0380619920240020142
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Korean Journal of Food Science and Technology
1992 Volume.24 No. 2 p.142 ~ p.148
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Screening of Natural Antioxidant from Plant and Their Antioxidative Effect
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장영상/Chang, Young Sang
최웅/신동화/신재익/Choi, Ung/Shin, Dong Hwa/Shin, Jae Ik
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Abstract
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Certain parts of 95 species of edible and medical plants were extracted with water and 75% of ethyl alcohol. After addition of those extracts to palm oil, lard and soybean oil at different level, their antioxidative activities were compared by Rancimat test. Six species among them seemed to have rather strong antioxidative activity and high extracting yields(i.e. Taraxacum platycarpum, Plantago asiatica, Rhus javanica L., Lycopus lucidus, Astragalus membYanaceus, Taraxacum platycarpumH). Among them, the Rhus javanica L. ethanol extract retarded greatly the induction period of palm oil and lard. When 600 ppm of Rhus javanica L. extract were added to palm oil and lard, AI(antioxidant index was expressed as induction period of oil containing various plant extracts/induction period of control oil) of each was 1.35 and 3.03 respectively. This result indicated that the Rhus javanica L. extract was more effective on lard than the other oils.
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