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http://dx.doi.org/10.5657/kfas.2003.36.3.220

Effect of Porphyran Isolated from Laver, Porphyra yezoensis on Calcium, Magnesium and Potassium Contents in Hyperlipidemic Rats  

JUNG Bok-Mi (Department of Food Science and Nutrition, Yosu National University)
SHIN Tai-Sun (Department of Food Science and Nutrition, Yosu National University)
KIM Hyung-Rak (Department of Food and Biotechnology, Pukyong National University)
JUNG Kyoo-Jin (Department of Marine Food Industry, Provincial College of Namdo)
KIM Seon-Bong (Department of Food and Biotechnology, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.36, no.3, 2003 , pp. 220-224 More about this Journal
Abstract
Effect of the ingestion of porphyran extracted from Porphyra yezoensis on calcium, magnesium and potassium contents in serum and tissue was investigated using hyperlipidemic and hypercholesterolemic rats. The contents of calcium magnesium and potassium in serum of rats fed porphyran for four weeks were higher than those of the control group. The contents of calcium and potassium were decreased with increasing a porphyran level while magnesium content was increased. Liver calcium contents in an $1\%$ porphyran group were significantly (p<0.05) higher than those in the control group, and magnesium contents in a $10\%$ porphyran group were higher than those in the control group. Kidney calcium and magnesium contents in rats fed porphyran were significantly (p<0.05) high compared with the control group. However, potassium content in kidney was Increased as a porphyran level was increased in diet. Spleen calcium and potassium contents were significantly lower in the porphyran groups than those in the control group. Rats fed the $5\%$ porphyran diet had higher magnesium content in spleen than any other diets. The results showed that diets supplemented with several porphyran levels had variable effects on the contents of calcium, magnesium and potassium in serum and tissue of hyperlipidemic rats.
Keywords
Laver; Porphyra yezoensis; Rat; Calcium; Magnesium; Potassium;
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