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KMID : 1024620010210040389
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Food Science of Animal Resources
2001 Volume.21 No. 4 p.389 ~ p.394
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Studies on the Flavonoid Compositions of Korean Propolis
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Lee Su-Won
Kim Hee-Jae
Yang Hee-Jin
Hwangbo S.
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Abstract
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This study was conducted to investigate the flavonoid contents of Korean propolis. The total flavonoids content measured by spectrophotometer of Yecheon, Youngwol, Brazilian, Chinese. Aus- tralian propolis were 6.33, 6.43, 2.44, 6.52 and 8.11mg/g. The p-coumaric acid content of Yecheon and Youngwol propolis were 5.58 and 6.84mg/100g, respectively. Luteolin, however, was not detected both in Yecheon and Youngwol, respectively. the quercetin content of Yecheon and Youngwol propolis revealed between 0.41 to 0.53%, however, overseas propolis was not detected. The t-cinnamic acid of Brazilian propolis was 7.92% and Chinese propolis was 8.74%. And than, the t-cinnamic acid of Chinese propolis was not detected.
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KEYWORD
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propolis, flavonoids, coumaric acid
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