Food Science and Technology Research
Online ISSN : 1881-3984
Print ISSN : 1344-6606
ISSN-L : 1344-6606
Original papers
Effect of Ascorbic Acid Utilization on Cold Smoked Fish Quality (Oncorhynchus mykiss) during Process and Storage
Aydin KILICAydin OZTAN
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JOURNALS FREE ACCESS

2013 Volume 19 Issue 5 Pages 823-831

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Abstract

The objective of the study is to investigate the effects of ascorbic acid on the quality of cold-smoked trout (Oncorhynchus mykiss), with or without sodium nitrite (NaNO2). For this purpose, fish samples (~250 g) were treated with six forms of brine prepared with 10% salt which is the control, treated with 10% salt and 0.4%NaNO2, 10% salt and 0.2%NaNO2, only 2.5% ascorbic acid (Dry Salt Basis) and their combinations, and stored at +4°C. The groups were analyzed after 4 days interval for microbiologic quality, biochemical quality and sensory quality. According to the results, the samples treated with only ascorbic acid increased the shelf-life of smoked fish about > 8 days. TVB-N value of the control group was average 41.72 mg/100 g after 16 day; the group containing ascorbic acid was on average 30.53 mg/100 at this time. Ascorbic acid reduced the residual nitrite in all groups. The residual nitrite disappeared in the ascorbic acid including groups after 20 day.

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© 2013 by Japanese Society for Food Science and Technology
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