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- Title
Effect of Chitosan Nanoparticle Coatings on the Quality Changes of Postharvest Whiteleg Shrimp, Litopenaeus vannamei, During Storage at 4 °C.
- Authors
Wang, Yanbo; Liu, Lin; Zhou, Jinru; Ruan, Xinming; Lin, Junda; Fu, Linglin
- Abstract
The effect of chitosan coatings on quality changes of shrimp, Litopenaeus vannamei, was studied during a 10-day storage at 4 °C. Groups of treatment 1 (T-1), treatment 2 (T-2), and control were treated with carboxymethyl chitosan, chitosan nanoparticle, and deionized water, respectively. The lowest pH values ( P < 0.05) were observed in T-2 on days 6, 8, and 10. Chitosan coatings significantly decreased ( P < 0.05) total volatile basic nitrogen amounts and K values on the same day except day 0 and the lowest showed in T-2. Lower thiobarbituric acid ( P < 0.05) and higher inosinic acid content ( P < 0.05) were obtained in T-2 than those of the control on day 10. On day 10, the highest hardness and springiness ( P < 0.05) and lowest total viable counts were obtained in T-2 followed by T-1 ( P < 0.05). It suggested that chitosan nanoparticle coating exhibited better effect on quality maintenance of shrimp.
- Subjects
CHITOSAN; FOOD storage; NANOPARTICLES; FOOD quality; SURFACE coatings; CARBOXYMETHYL compounds; WHITELEG shrimp
- Publication
Food & Bioprocess Technology, 2015, Vol 8, Issue 4, p907
- ISSN
1935-5130
- Publication type
Article
- DOI
10.1007/s11947-014-1458-8