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Lactobacillus helveticus-fermented milk containing lactononadecapeptide (NIPPLTQTPVVVPPFLQPE) improves cognitive
Kazuhito Ohsawa1, Fumiya Nakamura2, Naoto Uchida2
1a Research & Development Center, Asahi Group Holdings, Ltd. , Kanagawa , Japan.
Abstract:
This study aimed to determine the effects of a Lactobacillus helveticus-fermented milk drink containing lactononadecapeptide (NIPPLTQTPVVVPPFLQPE) on the cognitive function of healthy middle-aged adults. A randomised, double-blind controlled study was conducted in healthy participants who were randomly assigned to receive a L. helveticus-fermented milk drink (190 g/day) or the equivalent amount of a placebo drink once a day for eight weeks. Cognitive function was evaluated using the Japanese version of the repeatable battery for the assessment of neuropsychological status (RBANS) test. There was a statistically significant improvement in the total score, attention score, and delayed memory score of participants who received the L. helveticus-fermented milk drink. There was also a significant difference in the attention score between the placebo and test groups after eight weeks (p = .028). Therefore, supplementation of healthy middle-aged adults with a L. helveticus-fermented milk drink for eight weeks improved both attention and delayed memory.
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