Screening of Biological Activities of Ethanol Extracts from Fermented Gastrodia elata Blume

발효 천마 에탄올 추출물의 생리활성 검정

Kim, Mi Hyun

  • Received : 2014.08.04
  • Accepted : 2014.09.30
  • Published : 2014.10.31


This study was carried out to analyze the differences in p-hydroxylbenzyl alcohol (HBA) content, antitumor and anti-obesity activities and tyrosinase inhibitory activity between non-fermented G. elata (NFGP) and fermented G. elata powder. The HBA content, which is an index-component of G. elata decreased from 1.58 mg/g before fermentation to 1.07, 0.32, and 0.13 mg/g after the $1^{st}$ fermentation ($1^{st}$ FGP), $2^{nd}$ fermentation ($2^{nd}$ FGP) and $3^{rd}$ fermentation ($3^{rd}$ FGP), respectively. The anti-proliferation effects on the cell lines HT29 and AGS were significantly higher for the fermented G. elata than the NFGP. The antitumor activity was also increased in a fermentation number-dependent manner. During adipocyte differentiation, the ethanol extract of the $3^{rd}$ FGP inhibited lipid accumulation in 3T3-L1 cells significantly better than NFGP and the $1^{st}$ FGP, treated at the concentration of $10{\mu}g/mL$. The tyrosinase inhibitory activity of the $2^{nd}$ FGP at $600{\mu}g/mL$ over was higher than that of kojic acid. At the concentration of $1,000{\mu}g/mL$, the tyrosinase inhibitory activity was increased in a fermentation number-dependent manner. From these results, the fermented G. elata, especially the $3^{rd}$ FGP, is expected to be good candidate for the development of functional food and agents with antitumor, anti-obesity, and tyrosinase inhibitory potential.


antitumor activity;anti-obesity activity;tyrosinase inhibition;Gastrodia elata Blume;fermentation


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