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Popular edible seaweed, Gelidium amansii prevents against diet-induced obesity

Author:
Kang, Min-Cheol, Kang, Nalae, Kim, Seo-Young, Lima, Inês S., Ko, Seok-Chun, Kim, Young-Tae, Kim, Young-Bum, Jeung, Hee-Do, Choi, Kwang-Sik, Jeon, You-Jin
Source:
Food and chemical toxicology 2016 v.90 pp. 181-187
ISSN:
0278-6915
Subject:
Gelidium, adipocytes, adipogenesis, blood glucose, cholesterol, edible seaweed, gene expression, glucose, high fat diet, insulin, metabolic diseases, metabolism, mice, obesity, protective effect, staining, toxicology, triacylglycerols
Abstract:
The popular edible seaweed, Gelidium amansii is broadly used as food worldwide. To determine whether G. amansii extract (GAE) has protective effects on obesity, mice fed a high-fat diet (HFD) treated with GAE (1 and 3 %) were studied. After 12 weeks of GAE treatment, body weight was greatly decreased in mice fed a high-fat diet. This effect could be due to decreased adipogenesis, as evidenced by the fact that GAE suppressed adipogenic gene expression in adipocytes. In addition, blood glucose and serum insulin levels were reduced by GAE treatment in mice fed a high-fat diet, suggesting improvement in glucose metabolism. GAE supplementation also led to a significant decrease in total cholesterol and triglyceride levels. These data are further confirmed by H&E staining. Our findings indicate that Gelidium amansii prevents against the development of diet-induced obesity, and further implicate that GAE supplementation could be the therapeutical option for treatment of metabolic disorder such as obesity.
Agid:
5257859