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Title: | Characteristics of minerals extracted from the mid-gut gland of Japanese scallop Patinopecten yessoensis at various pH values |
Authors: | Santoso, Joko Ishizuka, Yuka Yoshie-Stark, Yumiko |
Issue Date: | 2012 |
Publisher: | The Japanese Society of Fisheries Science |
Series/Report no.: | 78:675–682; |
Abstract: | This experiment was carried out to determine the proximate composition of the mid-gut gland (MGG) of the Japanese scallop Patinopecten yessoensis to evaluate the characteristics of divalent minerals and water-soluble protein at various pHs, and to examine Cd-binding protein at different molecular weights. MGG of scallop contained protein, fat and ash of 28.9 g/100 g dry matter, 44.6 g/ 100 g dry matter and 6.78 g/100 dry matter, respectively. MGG also contained the macrominerals sodium, potassium, magnesium and calcium, and the trace minerals iron, zinc, cadmium and copper. The solubility of divalent minerals and water-soluble protein was high in both acidic and alkaline conditions, except that magnesium was not affected by acidity. The solubility of copper and iron had a positive correlation with water-soluble protein at all pH values, whereas cadmium had a strong correlation at alkaline pH. Low-molecular-weight water-soluble protein (fraction III, 437.5\MW\1,355) bound cadmium strongly in acidic, neutral and alkaline conditions. However, in acidic conditions cadmium had the strongest binding to protein. |
URI: | http://repository.ipb.ac.id/handle/123456789/77133 |
Appears in Collections: | Faculty of Fisheries and Marine Science |
Files in This Item:
File | Size | Format | |
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FS_2012_Vol.78_675-682.pdf | 418.62 kB | Adobe PDF | View/Open |
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