Abstract：
:The present study investigated the tenderisation effects ultrasound processing (UT) on farmed cobia sashimi. Age-treated cobia trunk muscles (AT) were used as the control. The pH, total volatile base nitrogen, trimethylamine nitrogen, thiobarbituric acid reactive substances, ATP catabolism components, K1 value, and texture were evaluated. The texture of AT sashimi reached the optimal firmness range with 8.53N at day 7. However, AT samples could not be served raw after day 7 because of their poor freshness indexes, including a TVBN value of 18.53g/100g, a TMAN value of 3.25mg/100g, and a TBARS value 0.983MDAmg/100g. Moreover, the K1 value of AT sashimi was 20.21% at day 5. UT was employed to efficiently tenderise cobia sashimi with an initial firmness of 9.70-7.82N after 90min of treatment. The results of this study indicate that UT accelerates the biochemical reaction rate, as evidenced by the increases in the TVBN, TMAN, and TBARS contents; however, these values were very low. The results of this study could provide basic information for the development of a novel ultrasonic tenderisation technique in raw seafood designed for restaurants and consumers.
journal_name
Food Chemjournal_title
Food chemistryauthors
Chang HC,Wong RXdoi
10.1016/j.foodchem.2011.11.116subject
Has Abstractpub_date
2012-06-01 00:00:00pages
1340-1345issue
3eissn
0308-8146issn
1873-7072pii
S0308-8146(11)01720-1journal_volume
132pub_type
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