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Food Chemistry

Food Chemistry

IF: 8.5
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Simulated digestion and gut microbiota fermentation of polysaccharides from Lactarius hatsudake Tanaka mushroom

Published:19 November 2024 DOI: 10.1016/j.foodchem.2024.142146
Qiao Yang, Songlin Chang, Jiali Ren

Abstract

Lactarius hatsudake Tanaka is a popular edible mushroom known for its delicious flavor and health benefits. Its polysaccharides (LHP) exhibit significant bioactivity, but their application is limited due to uncertainties in digestion. This study used in vitro simulated models to explore the dynamic changes of LHP during the digestive and fermentation process and validated them through mouse models. Results revealed that LHP cannot be digested by the simulated digestive system, but is primarily degraded into fatty acids by gut microbes, accompanied by reductions in molecular weight, carbohydrate content, and pH. Additionally, LHP promotes the proliferation of beneficial bacteria (Faecalibacterium, Bifidobacterium, Lactobacillus, etc.), while inhibiting harmful bacteria (Escherichia and Shigella). Metabolite analysis in serum indicated that LHP can regulate amino acid and lipid metabolism, enhancing overall health. These findings provide a theoretical foundation for developing LHP as a potential prebiotic, highlighting its considerable promise for disease prevention through improved intestinal health.

Substances (8)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Trypsin 9002-07-7 C35H47N7O10 741 suppliers $18.60-$26980.00
Vitamin K1 84-80-0 C31H46O2 699 suppliers $11.00-$5000.00
Pepsin 9001-75-6 n.a. 669 suppliers $23.30-$10600.00
alpha-Amylase 9000-90-2 NULL 491 suppliers $14.00-$2620.00
Peptone 73049-73-7 C13H24O4 489 suppliers $44.50-$6924.80
3,5-Dinitrosalicylic acid 609-99-4 C7H4N2O7 487 suppliers $12.00-$3418.80
HEMOGLOBIN 9008-02-0 C13H10N2O2 305 suppliers $40.30-$1610.00
PEPTONE 91079-46-8 175 suppliers $58.30-$5850.00

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