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- Title
Effect of matcha on lipid digestion and absorption in rats.
- Authors
Eri Nakamura; Mizuki Takeda; Isao Tomita; Toshiki Matsuura
- Abstract
Green tea contains catechins, dietary fiber, and many other ingredients with health benefits. Sencha (green tea) contains watersoluble components, such as catechins and amino acids, while matcha contains not only catechins and amino acids, but also waterinsoluble dietary fiber. In this study, we examined whether the dietary fiber in matcha is involved in inhibiting lipid absorption by measuring the lipid adsorption rate of matcha, the inhibition of pancreatic lipase activity, and the inhibition of lipid absorption in rats. The lipid adsorption rate of a 10% matcha suspension was about 25%, whereas the lipid adsorption rate of a 6.4% cellulose suspension of matcha, which contained the equivalent amount of insoluble dietary fiber, was about 4%. Furthermore, the effect of matcha or cellulose on lipid digestion and absorption was measured in rats with gastric catheterization and subclavian vein catheterization. The results showed that matcha had a suppressive effect on lipid digestion and absorption. These results suggest that the lipid-suppressing effect of matcha is due to the action of catechins and dietary fibers other than cellulose in matcha, and that cellulose has little effect.
- Subjects
GREEN tea; DIETARY fiber; MATCHA; AMINO acids; LIPASES
- Publication
Japanese Journal of Food Chemistry & Safety, 2021, Vol 28, Issue 1, p1
- ISSN
1341-2094
- Publication type
Article