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KMID : 1024619980180030240
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Food Science of Animal Resources
1998 Volume.18 No. 3 p.240 ~ p.247
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Changes in Freshness and MIneral Contents during Storage of Kaesojoo
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Park Chang-Il
Kim Y. J.
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Abstract
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This experiment was carried out investigate changes in proximate composition, pH, volatile basic nitrogen (VBN), thiobarbituric acid value (TBA) and mineral contents of pure Kaesojoo (PK) and Kaesojoo added medicinal herbs (KMH) during storage period (30 days) at 4 and -18. Two dogs with 12kg live weight were slaughtered to obtain samples from extracts. The results obtained were as follows: Crude fat and ash of KMH were higher than those of the PK, but the moisture and crude protein was higher in the PK (p＜0.001). Proximate composition did not affect cold and frozen storage and storage period. the pH of the PK through all periods. The VBN value of all treatment gradually increased during storage period. That of KMH tend to be lower than PK, all treatment was maintained freshness. The TBA value of all treatment gradually increased during storage period (p＜0.05). Cold storage and PK tend to be higher frozen storage and KMH. Among minerals Ca, K, Mg, Na, P contents of the KMH were higher than those of the PK and the Ca, Mg, Zn contents were significantly changes (p＜0.05) according to the storage period and temperature.
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KEYWORD
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freshness, VBN, medicinal herbs
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