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KMID : 0616120190500020124
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Korean Journal of Pharmacognosy
2019 Volume.50 No. 2 p.124 ~ p.132
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Changes in the Contents of Phenolic Components in the Stem of Acanthopanax koreanum Depending on Extracting Batches
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Kim Sung-Gi
Lee Jae-Bum
Cho Soon-Hyun
Ko Sung-Kwon
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Abstract
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This study compared the contents of phenolic components depending on the extracting conditions of Acanthopanax koreanum stem to provide basic information for developing Acanthopanax koreanum-based functional foods. Our findings show that the content of total phenolic component peaked at 16 hours of extraction (WAK-16, 7.22%) and when water extracted at 100oC. However, 11-hours water extraction (WAK-11) showed highest eleutheroside B concentration of 1.32%, a main component of A. koreanum, and the level of chlorogenic acid concentration was the highest when 1-hour water extraction (WAK-1) was conducted, being 2.12%. Moreover, highest concentration of eleutheroside E was observed in 16-hours water extraction (WAK-16) as 1.49%. With 60-hours water extraction (WAK-60), the content of syringaresinol, an active phenolic aglycon substance, concentration was the highest with the value of 0.10%. Isofraxidin showed the highest concentration of water extract(0.09%) for 20 hours (WAK-20) and 0.42% for sinapyl alcohol[16 hours (WAK-16)].
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KEYWORD
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Phenolic components, Acanthopanax koreanum, Eleutheroside B, Chlorogenic acid, Eleutheroside E, Syringaresinol
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