Degradation and fermentation of fructo-oligosaccharides by oral streptococci.

R Hartemink, M C Quataert, K M van Laere, M J Nout, F M Rombouts
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引用次数: 31

Abstract

Fructo-oligosaccharides (FOS) are claimed to have a positive effect on the intestinal flora. They are being used in functional foods in Japan and Europe. This group have tested the degradation of two commercial FOS preparations by oral streptococci in order to predict the cariogenicity of these products. Both preparations could be fermented to some extent by the species of oral streptococci tested. The enzymes necessary for the degradation of FOS were inducible. Each strain showed a specific degradation pattern. All strains, particularly Streptococcus mutans rapidly produced acid, mainly lactic acid. Streptococcus mitis also produced high concentrations of acetic acid. Plaque formation by Strep. mutans was similar to the sucrose control. It is concluded that FOS are cariogenic to a similar extent as sucrose.

口服链球菌对低聚果糖的降解和发酵。
低聚果糖(FOS)被认为对肠道菌群有积极作用。在日本和欧洲,它们被用于功能性食品。这个小组已经测试了两种商用FOS制剂通过口服链球菌的降解,以预测这些产品的致癌性。两种制剂均可在一定程度上被所测口腔链球菌发酵。降解FOS所需的酶是可诱导的。每个菌株都表现出特定的降解模式。所有菌株,尤其是变形链球菌,都能迅速产生酸,主要是乳酸。链球菌炎也产生高浓度的乙酸。链球菌形成菌斑。突变体与蔗糖对照相似。结果表明,果寡糖的致癌性与蔗糖相似。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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