태국산과 베트남산의 용안육 원료 및 그 발효물의 전자공여능, 일산화질소(NO) 생성효과, 인체암 세포주인 자궁경부암세포(HeLa) 및 간암세포(HepG2)의 항암활성 효과를 조사하였다. 원료 용안육의 총 유기산은 태국산 용안육(473.49 mg/g)이 베트남산(148.48 mg/g) 용안육에 비하여 3.2배 높은 함량을 나타내었고, 전체 유기산의 각각 89.2%와 86.8%를 나타내었으며, 주요 유기산은 formic acid와 malic acid

Antioxidant anticancer activities and nitric oxide (NO) production of Vietnamese and Thai yonganyook (Euphoria longana) fermented with lactic acid bacteria and Bacillus subtilis were investigated. Total organic acid contents (TAC) of Thai raw yonganyook (473.49 mg/g, 89.2% of TAC) were higher 3.2 tims than those of Vietnamese raw yonganyook (148.48 mg/g, 86.8% of TAC) and major organic acids of two materials were formic acid and malic acid. Total free sugars contents of Vietnamese raw yonganyook (434.63 mg/g) were higher 1.2 times than those of Thai raw yonganyook (378.77 mg/g) and major free sugar of two materials welt sucrose, glucose and fructose. NO production of RAW264.7 cell treated with methanol extract of Vietnamese fermented yonganyook was shown to be a lower level than that of Thai fermented yonganyook. It's production by fermented yonganyook was strongly exhibited in low dose (0.2 mg/mL) than in high dose (1.0 mg/mL) as compared with raw yonganyook Electron-donating ability (EDA) of Vietnamese raw yonganyook () at was higher 1.4 times than that of Thai yonganyook (). EDA of Vietnamese yonganyook fermented with B. subtilis at was which was the highest level of all samples tested. Anticancer activity of raw yonganyook on human HeLa cell was similar to between Vietnamese and Thai yonganyook. In inhibitory effect of HepG2 cell growth, methanol extract of Thai yonganyook () was higher than that of Vietnamese yonganyook (). Inhibitory activity of fermented yonganyook on HeLa and HepG2 cell growth were and when of methanol extract of Vietnamese and Thai yonganyook fermented with B. subtilis were used, respectively.

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