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KMID : 1007520140230030951
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Food Science and Biotechnology
2014 Volume.23 No. 3 p.951 ~ p.956
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Mineral-rich Solar Sea Salt Generates Less Oxidative Stress in Rats than Mineral-deficient Salt
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Gao Tian-Cheng
Cho Jeong-Yong
Feng Ling-Yun
Saoraya Chanmuang
Park Sun-Young
Ham Kyung-Sik
Auh Chung-Kyoon
Pai Tong-Kun
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Abstract
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Certain solar sea salts have a high content of essential minerals other than NaCl. The effects of minerals in sea salts on oxidative stress in rats were investigated. Mineral-rich salt (MRS) and mineral-deficient salt (MDS) did not scavenge DPPH radicals. When MRS and MDS (equivalent to 1.8 g NaCl/kg/day) and a saline control were orally administered to rats for 7 weeks, MRS group rats showed lower levels of plasma lipid oxidation than MDS group rats. MRS group rats exhibited significantly lower levels of protein carbonyls and 8-hydroxy-2'-deoxyguanosine in the liver than MDS group rats. MRS group rats showed lower protein expression of NF-κB p65 in adipose tissue than MDS group rats. Intake of MRS may generate less oxidative stress than intake of MDS.
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KEYWORD
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mineral-rich salt, solar sea salt, oxidative stress, peroxidation, oxidation
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