Fermented barley <i>β</i>‐glucan regulates fat deposition in <i>Caenorhabditis elegans</i>
Xiang Xiao, Cui Tan, Xinjuan Sun, Yansheng Zhao, Jiayan Zhang, Ying Zhu, Juan Bai, Ying Dong, Xinghua Zhou
Abstract
BACKGROUND: Barley contains a relatively high concentration of the mixed-linkage (1 → 3) (1 → 4) β-glucan, which has been reported to be a functional food with prebiotic potential. In the current study we compared the properties of two neutral barley β-glucans, obtained from raw barley: raw barley β-glucan (RBG) and Lactobacillus plantarum dy-1-fermented barley (FBG). RESULTS: D after fermentation. Fermentation also improved the water / oil holding capacity, solubility, and swelling capacity of barley β-glucan. Both RBG and FBG significantly improved the locomotive behavior of nematodes, thereby increasing their energy consumption and reducing fat deposition - the effect was more significant with FBG. These effects could potentially depend on nhr-49, TGF-daf-7 mediated pathways and so on, in which nhr-49 factor is particularly required. CONCLUSION: These results suggested that fermentation may enhance in vitro physiological activities of barley β-glucan, thereby altering the effects on the lipid metabolism in vivo. © 2020 Society of Chemical Industry.