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프락토올리고당을 함유한 야콘 추출물의 비피더스균에 대한 잠재적인 프리바이오틱 효과

Potential prebiotic effects of yacon extract, a source of fructooligosaccharides, on Bifidobacterium strains

한국식품과학회지 2020년 52권 2호 p.149 ~ 155
김수정 ( Kim Su-Jeong ) - Rural Development Administration Highland Agriculture Research Institute

손황배 ( Sohn Hwang-Bae ) - Rural Development Administration Highland Agriculture Research Institute
권빈 ( Kwon Bin ) - BIFIDO Co., Ltd. Research Center
박명수 ( Park Myeong-Soo ) - BIFIDO Co. Ltd. Research Center
홍수영 ( Hong Su-Young ) - Rural Development Administration Highland Agriculture Research Institute
남정환 ( Nam Jeong-Hwan ) - Rural Development Administration Highland Agriculture Research Institute
서종택 ( Suh Jong-Taek ) - Rural Development Administration Highland Agriculture Research Institute
이종남 ( Lee Jong-Nam ) - Rural Development Administration Highland Agriculture Research Institute
김기덕 ( Kim Ki-Deog ) - Rural Development Administration Highland Agriculture Research Institute
장동칠 ( Chang Dong-Chil ) - Rural Development Administration Highland Agriculture Research Institute
김율호 ( Kim Yul-Ho ) - Rural Development Administration National Institute of Crop Science

Abstract


This study was conducted to investigate the potential prebiotic activity of an extract from yacon tuberous root on the growth of probiotic strains Bifidobacterium and Lactobacillus. Results showed that the amount of fructooligosaccharides per 100 g fresh root was the highest (7.60 g), followed by sucrose (0.72 g), fructose (0.34 g), and glucose (0.26 g). The in vitro culture test of intestinal beneficial bacteria, including Bifidobacterium longum BORI, B. bifidum BGN4, and B. lactis AD011 showed effective growth on the MRS-Yacon medium containing yacon extract, whereas the growth of Lactobacillus acidophilus AD031, L. plantarum BH02, and L. fermentum BH03 did not differ from that of the control groups. In particular, B. longum BORI showed better growth than the control group after 10 h of incubation. These results indicate that yacon can be a natural prebiotic source of fructooligosaccharides, which can exert a prebiotic effect on intestinal microflora by selectively enriching Bifidobacterium.

키워드

Bifidobacterium; fructooligosaccharides; Lactobacillus; prebiotics; tuberous roots
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