Journal
NUTRIENTS
Volume 12, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/nu12092851
Keywords
Gymnema inodorum; adipogenesis; gymnemic acid; obesity
Categories
Funding
- Thai Royal Government
- Ministry of Higher Education, Science, Research and Innovation (MHESI) through the Thailand Institute of Scientific and Technological Research
- TISTR [TISTR6334102122]
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Gymnema inodorum(GI) is an indigenous medicinal plant and functional food in Thailand that has recently helped to reduce plasma glucose levels in healthy humans. It is renowned for the medicinal properties of gymnemic acid and its ability to suppress glucose absorption. However, the effects of gymnemic acids on adipogenesis that contribute to the accumulation of adipose tissues associated with obesity remain unknown. The present study aimed to determine the effects of gymnemic acids derived from GI tea on adipogenesis. We purified and identified GiA-7 and stephanosides C and B from GI tea that inhibited adipocyte differentiation in 3T3-L1 cells. These compounds also suppressed the expression ofperoxisome proliferator-activated receptor gamma(Ppar gamma)-dependent genes, indicating that they inhibit lipid accumulation and the early stage of 3T3-L1 preadipocyte differentiation. Only GiA-7 induced the expression ofuncoupling protein 1(Ucp1) andppar gamma coactivator 1 alpha(Pgc1 alpha), suggesting that GiA-7 induces mitochondrial activity and beige-like adipocytes. This is the first finding of stephanosides C and B inGymnema inodorum. Our results suggested that GiA-7 and stephanosides C and B from GI tea could help to prevent obesity.
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