The Original Research of the Oolong Tea (Camellia sinensis cv. Fenghuangdancong) Antioxidant Property

FOOD SCIENCE ›› 2006, Vol. 27 ›› Issue (3): 55-59.

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The Original Research of the Oolong Tea (Camellia sinensis cv. Fenghuangdancong) Antioxidant Property

SU Xin-Guo, JIANG Yue-Ming, WANG Xiao-Hong, DUAN Jun, MI Sui-Qing, WANG Ning-Sheng

1.Institute of Clinical Pharmacology, Guangzhou University of Traditional Chinese Medicine,Guangzhou 510405, China;2.South China Botanic Garden, The Chinese Academy of Sciences,Guangzhou 510650, China;3.Middle School of Red Star, Maanshan 243000, China

Online:2006-03-15 Published:2011-09-06

Abstract

Abstract: The antioxidant properties of water extracts of oolong tea (Camellia sinensis, commercial name: Fenghuangdancong),green tea (Longjing and Biluochun) and black tea (Dianhong and Yingdehongcha) were investigated. The oolong tea have high wateryield, concentration of amino acid and soluble sugar. Similar to green tea, oolong tea extracts had a strong antioxidant property(higher radical scavenging activity and lower peroxide value), which was attributed to a high concentration of polyphenols,particularly in catechins and theaflavin. Furthermore, the antioxidant activity of oolong tea was related to catechin concentrations,but not to total polyphenols.

Key words: , oolong tea (commercial name: Fenghuangdancong)； antioxidant property； catechin；

SU Xin-Guo, JIANG Yue-Ming, WANG Xiao-Hong, DUAN Jun, MI Sui-Qing, WANG Ning-Sheng. The Original Research of the Oolong Tea (Camellia sinensis cv. Fenghuangdancong) Antioxidant Property[J]. FOOD SCIENCE, 2006, 27(3): 55-59.

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The Original Research of the Oolong Tea (Camellia sinensis cv. Fenghuangdancong) Antioxidant Property

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