Performance evaluation of ultra violet assisted vertical re-circulating depuration system on microbial, heavy metal reduction and composition of black clam (Villorita cyprinoides)

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NSTL
Elsevier

外文摘要：A cost-effective, portable, ultra violet assisted vertical re-circulatory depuration system (UVDC) was developed and its effect on microbiological, heavy metal and proximate composition of Black clam (Villorita cyprinoides) was investigated. The process of depuration was found to be effective in reduction of total viable count by 1.8 log cfu g-1. Escherichia coli were within the permissible limit and both Vibrio cholera and V. parahaemolyticus were absent. The concentrations of heavy metals (Cd, Pb and Cu) were found to decrease by 40.44%, 96.51% and 34.50% respectively at the end of 48 h of depuration in UVDC. Significant reduction in protein, lipid, ash and glycogen contents were observed after the depuration process. The portability and easy to assemble nature of the system further improves its applicability as an onsite depuration unit which could be effectively utilized by the smallscale clam fishers/farmers depending on polluted waters for enhancing their income and livelihood.

外文关键词：

DepurationClamsHeavy metalsTotal viable countVibrio parahaemolyticus

作者：

Anjana, S.、Abhilash, S.、Varghese, B.、Sabu, S.、Sunooj, K., V、Xavier, K. A. Martin

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作者单位：

Kerala Univ Fisheries & Ocean Studies, Dept Fish Proc Technol, Kochi, Kerala, India

Kerala Univ Fisheries & Ocean Studies, Dept Aquaculture, Kochi, Kerala, India

Cochin Univ Sci & Technol, Sch Ind Fisheries, Kochi, Kerala, India

Pondicherry Univ, Dept Food Sci & Technol, Pondicherry, India

ICAR Cent Inst Fisheries Educ, Post Harvest Technol Dept, FRHPHM Div, Mumbai, Maharashtra, India

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出版年：

2021

DOI：

10.1016/j.lwt.2020.110628

LWT-Food Science & Technology

ISSN：0023-6438

年,卷(期)：2021.138

被引量1
参考文献量53