Growth-Inhibiting Effects of Various Valley Potato (Solanum tuberosum L.) Varieties and Breeding Clones toward Human Intestinal Bacteria
Lim, M.Y.;Kim, Y.M.;Kim, M.K.;Lee, H.S.(Chonbuk National University, Jeonju, Republic of Korea)E-mail:[email protected] | Lim, H.T.(Kangwon National University, Chunchon, Republic of Korea)
Ethanol-water extracts 29 valley potato varieties and breeding lines were tested in vitro for their growthinhibiting activities against Bifidobacterium bifidum, B. breve, B. longum, Clostridium perfringens, Escherichia coli, and Lactobacillus casei using paper disk agar diffusion under anaerobic conditions. All potato varieties tested did not inhibit growths of B. bifidum, B. breve, B. longum, and L. casei. Extracts of Bora Valley, Gogu Valley, Golden Valley, Juice Valley, Purple Valley, Summer Valley, Taedong Valley, and Winter Valley showed moderate growth inhibition (++) against C. perfringens.
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