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http://dx.doi.org/10.5352/JLS.2010.20.11.1625

Chemical Components and Antioxidative Effects of Eriobotrya japonica Lindl. Leaf  

Hwang, Yun-Gyeong (Department of Food and Nutrition, Chosun University)
Lee, Jae-Joon (Department of Food and Nutrition, Chosun University)
Kim, Ah-Ra (Department of Food and Nutrition, Chosun University)
Lee, Myung-Yul (Department of Food and Nutrition, Chosun University)
Publication Information
Journal of Life Science / v.20, no.11, 2010 , pp. 1625-1633 More about this Journal
Abstract
This study was carried out to investigate the physicochemical compositions and antioxidative effects of Eriobotrya japonoca Lindl (Loquat). The proximate compositions of the loquat leaf on a dry matter basis were 8.78% moisture content, 6.74% crude protein, 7.87% crude fat, 6.99% crude ash, 43.61% dietary fiber and 26.01% carbohydrate. In analysis of free amino acids, 16 kinds total amino acid components, 17 kinds of components were isolated from loquat. The essential amino acids contained in loquat leaf accounted for 50.15% of total amino acids, while the non-essential amino acids accounted for 49.85%. In analysis of total fatty acids, only 5 kinds of acid were detected: lauric acid, myristic acid, pentadecanoic acid, stearic acid and oleic acid. The contents of vitamin A, vitamin E and vitamin C were 0.039 mg%, 0.096 mg% and 0.575 mg%, respectively. The mineral contents of loquat leaf were greater in order of Zn
Keywords
Eriobotrya japonica Lindl. leaf; chemical components; total polyphenol; antioxidative effect;
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