Bioconversion of desiccated coconut and soybean curd residues for enhanced black soldier fly larvae biomass as a circular bioeconomy approach

Muin, Hasniyati and Alias, Zazali and Md Nor, Adibi Rahiman and Mohd Taufek, Norhidayah (2023) Bioconversion of desiccated coconut and soybean curd residues for enhanced black soldier fly larvae biomass as a circular bioeconomy approach. Waste and Biomass Valorization, 14 (1). pp. 249-260. ISSN 1877-2641, DOI https://doi.org/10.1007/s12649-022-01867-x.

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Abstract

Agro-industrial waste is considered as an agro-industrial by-product that can produce another valuable product and, at the same time, lessen the waste disposal problem. Here, we suggest the usage of black soldier fly larvae (BSFL) as an organism to convert the agro-industrial wastes, particularly the desiccated coconut residue (DCr) and soybean curd residue (SCr), into highly valuable biomass. In this experiment, we observed the bioconversion of BSFL using fermented DCr and SCr at different ratios (DCr:SCr), namely T1 (4:0), T2 (3:1), and T3 (2:2), T4 (1:3), and T5 (0:4). The amount of food given to BSFL was standardized for every treatment during the rearing duration of 20 days. Waste reduction (WR), bioconversion rates, growth rate, feed conversion ratio (FCR), and nutrient content of the BSFL fed with different treatments were analyzed. The larvae fed with T5 shows significant higher growth rate and waste reduction, which was 15.78 g day(-1) and 80.05%, followed by T4 (15.05 g day(-1) and 77.36%), T2 (14.98 g day(-1) and 69.95%), T3 (14.88 g day(-1) and 62.65%), and T1 (13.37 g day(-1) and 57.76%) respectively. In addition, larvae fed with T5 also show higher protein content (46.37%) and lower lipid content (46.37%). In all treatments, the higher macronutrient content indicates BSFL frass content's potential as a novel organic fertilizer in agriculture. GRAPHICS] .

Item Type: Article
Funders: Ministry of Education, Malaysia (FRGS/1/2019/WAB01/UM/02/3), Ministry of Education, Malaysia (FP073-2019A)
Uncontrolled Keywords: Hermetia illucens; Agricultural waste; Agro-waste management; Frass; Larval biomass; Protein content
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > Q Science (General)
Divisions: Faculty of Science > Institute of Biological Sciences
Institute of Advanced Studies
Depositing User: Ms Zaharah Ramly
Date Deposited: 13 Jul 2023 03:07
Last Modified: 13 Jul 2023 03:07
URI: http://eprints.um.edu.my/id/eprint/39499

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