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KMID : 0903520060490040309
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2006 Volume.49 No. 4 p.309 ~ p.314
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Physicochemical Properties and Physiological Activities of Ulsan Sweet Persimmon Peel·Flesh According to Cultivars
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Choi Jeong-Hwan
Lee Eun-Young
Kim Gyung-Jin
Park In-Hae
Kim Jong-Su
Choi Gil-Bae
Jung Su-Geun
Hahm Yoo-Sik
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Abstract
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This study was performed to confirm the physicochemical properties and physiological activities according to cultivar and parts of Ulsan sweet persimmons. The proximate composition of the sweet persimmons was moisture 77.68~84.65%, crude ash 0.3~0.6, crude fat 0.29~0.39 and crude protein 0.52~0.61%. Confirmed organic acids and free sugars in sweet persimmons were malic, citric, succinic, and fumaric acids, along with fructose, glucose and sucrose. The major fatty acids were linolenic, vaccenic and palmitic acids. Also, K is the highest mineral in sweet persimmons that accounts for the majority of mineral, more than 60% as 84.9~103.7 mg%. Contents of vitamin C, total phenolic compounds and flavonoids were the highest in Fuyu peel as 139.91, 169.36 and 60.79 mg%, respectively. Electron donating ability and xanthine oxidase inhibition were the highest in Fuyu peel as 30.6~91.2 and 26.3~91.9 mg%, respectively. Nitrite scavenging activity was higher in peel than flesh as 51.0~76.4 mg% with slight difference depending on cultivar.
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KEYWORD
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sweet persimmons, total phenolic compounds, total flavonoids, physiological activities
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