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KMID : 0380620150470020158
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Korean Journal of Food Science and Technology
2015 Volume.47 No. 2 p.158 ~ p.163
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Comparison of the Flavonoid and Urushiol Content in Different Parts of Rhus verniciflua Stokes Grown in Wonju and Okcheon
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Lee Won-Jae
Kang Ji-Eun
Choi Ji-Ho
Jeong Seok-Tae
Kim Myung-Gon
Choi Han-Seok
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Abstract
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Fustin comprised >98 and 73.0-86.7% of the total flavonoid content in the bark, and the stems and lignum of Rhus verniciflua, respectively. The butein, fisetin, and sulfuretin content varied between 0.31-2.17, 0.27-3.32, and 0.15-0.80 mg/g on a dry weight basis, respectively, in different parts of Rhus verniciflua. The urushiol content was 5.09-6.29, 55.05- 56.30, and 0.38-0.39 mg/100 g on a dry weight basis in the stems, bark, and lignum, respectively. This showed that the bark of the tree had the highest urushiol content. C15:3 (pentadecatrienyl catechol), C15:1 (pentadecenyl catechol), and C15:2 (pentadecadienyl catechol) comprised 63, 33-35, and 2-3% of urushiol congeners in the tree bark, respectively.
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KEYWORD
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Rhus verniciflua, lacquer tree, flavonoid, urushiol, phenol
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