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http://dx.doi.org/10.5392/JKCA.2015.15.09.599

Supplementary Effects of Black Rice (Oryza sativa L.) Aleurone Layer Extract on Body Fat, Serum Lipid, and Serum Hormone Levels in Ovariectomized Rats  

Choi, Bong-Kyoum (농촌진흥청 국립농업과학원 기능성식품과)
Nam, Song-Yee (농촌진흥청 국립농업과학원 기능성식품과)
Lee, Young-Min (서울여자대학교 식품영양학과)
Kim, Jung-Bong (농촌진흥청 국립농업과학원 기능성식품과)
Choe, Jeong-sook (농촌진흥청 국립농업과학원 기능성식품과)
Lee, Hae-Jeung (을지대학교 식품영양학과)
Lee, Sung-Joon (고려대학교 식품공학과)
Lee, Sung-Hyen (농촌진흥청 국립농업과학원 기능성식품과)
Publication Information
The Journal of the Korea Contents Association / v.15, no.9, 2015 , pp. 599-605 More about this Journal
Abstract
This study was conducted to evaluate suppressive effects of black rice aleurone layer extract (BRE) on body fat, serum lipid, and hormone levels in ovariectomized rats. The rats were divided into five groups (n=8/group): sham operated group (S); ovariectomized control group (OVX); ovariectomized group treated with isoflavone 10 mg/kg B.W. (IF); ovariectomized group treated with BRE 30 or 90mg/kg B.W. (BRE-30 or -90). High fat diet (45% calories from fat) was fed to all rats for 12 weeks. Body weight gain, body fat weight, and adiposity index increased in the OVX group, but they significantly decreased in IF or BRE supplementation. Serum triacylglycerol and leptin levels decreased in BRE groups while serum adiponectin level significantly increased compared to that of the OVX group. Hepatic total lipid, triglyceride, and cholesterol levels increased in the OVX group, but they decreased in BRE supplementation (p>0.05). These data suggest that black rice aleurone layer may be a useful food source to decrease obesity and its related diseases by modulating lipid metabolism in estrogen-deficiency model.
Keywords
Black Rice; Aleurone Layer; Ovariectomy; Body Fat; Hormone;
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Times Cited By KSCI : 4  (Citation Analysis)
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