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Screening of Antimicrobial Activity from Castanea crenata Sieb. et Zucc. Leaves and Flowers. I. Chemical Compositions  

Jo, Jae-Sun (Department of Food Science and Technology, Kyung Hee University)
Cho, Gyu-Seong (Department of Food Science and Technology, Han Kyong National University)
Publication Information
Applied Biological Chemistry / v.46, no.3, 2003 , pp. 257-261 More about this Journal
Abstract
Chemical components relevant to the characteristic antimicrobial activities of the Korean chestnut (Castanea crenata S. et Z.) leaves and flowers were analyzed. The composition of free sugar were sucrose, maltose in the chestnut flowers and sucrose, glucose, fructose in the chestnut leaves. The contains of tannin were 0.16% in the chestnut flower and 1.98% in the chestnut leaves. In fatty acids case, the linoleic contents were significantly high in the chestnut leaves and flowers. The organic acids showed high composition to succnic and citric acid in the chestnut leaves. The ammo acid compositions showed high contents to aspatic acid, proline, glutamic acid, glycine and methionine in the chestnut leaves and flowers. The total amino acid showed significantly higher in the chestnut leaves than flowers. The major minerals contained in the chestnut leaves and flowers were K, Ca, Ng, Fe, Mn and Al. Ascorbic acids were detected highly in the chestnut leaves and flowers.
Keywords
Castanea crenata; chestnut leaves; chestnut flower; chemical composition; antimicrobial activity;
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