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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43350

Title: Biochemical changes in the abdominal muscle of mud crab Scylla serrata during storage
Authors: Tze-Kuei CHIOU;Jui-Peng HUANG
Contributors: 國立臺灣海洋大學:食品科學系
Date: 2004-02-01
Issue Date: 2017-07-10T02:05:16Z
Publisher: Fisheries Science
Abstract: Abstract:Changes in levels of pH, volatile basic nitrogen (VBN), K-value, glycogen, adenosine triphosphate (ATP) and its related compounds (ARC), and free amino acids (FAA) in the abdominal muscle of live mud crabs stored at 10°C and 25°C were investigated. Levels of pH, VBN, and K-value did not increase until 2 days of storage, whereas the energy charge and glycogen levels declined rapidly during the early period of storage. The onset of initial decomposition of the mud crab muscle was observed after storage at 10°C for 6 days and 25°C for 3 days. The initial ATP concentration was high but decreased by 76–80% on day 2 of storage. The total nucleotide contents in the 2-day-stored samples accounted for 82–83% of the total ARC. The value decreased to 50% after storage at 10°C for 4 days. Glycine, arginine, glutamine, alanine and proline were the major FAA. Total amounts of FAA and taste-active amino acids including glycine, arginine, alanine and glutamic acid had no apparent change during storage at 10°C, while an increase of 14–38% was found prior to the initial decomposition stage at 25°C. In both storages, ornithine, citrulline and ammonia increased markedly in the stage of initial decomposition.
Relation: 70(1), pp.167-173
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43350
Appears in Collections:[食品科學系] 期刊論文

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