Biological treatment of prawn shell wastes for valorization and waste management

被引：4
作者：
Mathew G.M. [1 ]
Puthiyamadam A. [1 ,2 ]
Sasikumar K. [1 ,2 ]
Ashoor S. [3 ]
Sukumaran R.K. [1 ,2 ]
机构：
[1] Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala
[2] Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh
[3] Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams University, Cairo
来源：
Bioresource Technology Reports | 2021年 / 15卷
关键词：
Aquaculture; Bacillus; Chitin; Demineralization; Deproteination; Prawn shell waste;
D O I：
10.1016/j.biteb.2021.100788
中图分类号：
学科分类号：
摘要：
Prawn shell waste (PSW) from seafood and aquaculture processing industries is currently a serious environmental concern due to improper disposal practices. Current methods for production of value added products like chitin, chitosan, pigments and protein from PSW uses harsh chemicals leading to generation of polluting effluents and green alternatives are highly desirable. Bacillus megatarium and B. subtilis, isolated from PSW were evaluated for their potential in demineralization (DM) and deproteination (DP) the shell waste for production of chitin and protein hydrolysate, alone or in combination. PSW fermentation with B. megatarium gave 73% DM and 73.28% DP when supplemented with 0.1% glucose, whereas, co-fermentation using both cultures gave DM and DP efficiencies of 70.75% and 75.12% respectively. Chitin recovery was maximum (40%) for B. megatarium and FTIR analysis showed characteristic signatures of chitin. Protein hydrolysate was enriched in essential amino-acids indicating potential to be used in feed additives. © 2021 Elsevier Ltd
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