Bioconversion is a biological process by which organic materials are converted into products with higher biological and commercial value.During its larval stage the black soldier fly Hermetia illucens is extremely vor...Bioconversion is a biological process by which organic materials are converted into products with higher biological and commercial value.During its larval stage the black soldier fly Hermetia illucens is extremely voracious and can feed on a wide vari-ety of organic materials.To study the impact of different fruit byproducts on the insect's growth,final larval biomass,substrate reduction,bioconversion parameters,and larval nu-tritional composition,10000 black soldier fly larvae(BSFL)were reared on 7.0 kg of one of three substrates(strawberry,tangerine,or orange)or on a standard diet as a control.The results highlight that BSFL can successfully feed and grow on each of these diets,though their development time,growth rate,and final biomass were differently impacted by the substrates,with strawberry being the most suitable.The lipid and protein contents of BSFL were similar among larvae fed on different substrates;however,major differences were detected in ash,micronutrient,fiber,fatty acid,and amino acid contents.Overall,the results indicate that fruit waste management through the BSFL bioconversion process rep-resents a commercially promising resource for regional and national agrifood companies.Our study offers new perspectives for sustainable and environmentally friendly industrial development by which fruit byproducts or waste might be disposed of or unconventionally enhanced to create secondary products of high biological and economic value,including BSFL biomass as animal feed or,in perspective,as alternative protein source for human nutrition.展开更多
基金supported by Basilicata Region within the framework of"Programma di Sviluppo Rurale 2014-2020"(project"FeedInsect"—measure 16.2,D.D.424/2019)and PO FESR Basilicata 2014-2020—Action 1B.1.2.2(project"Valbioeconomia,"D.D.660/2021).
文摘Bioconversion is a biological process by which organic materials are converted into products with higher biological and commercial value.During its larval stage the black soldier fly Hermetia illucens is extremely voracious and can feed on a wide vari-ety of organic materials.To study the impact of different fruit byproducts on the insect's growth,final larval biomass,substrate reduction,bioconversion parameters,and larval nu-tritional composition,10000 black soldier fly larvae(BSFL)were reared on 7.0 kg of one of three substrates(strawberry,tangerine,or orange)or on a standard diet as a control.The results highlight that BSFL can successfully feed and grow on each of these diets,though their development time,growth rate,and final biomass were differently impacted by the substrates,with strawberry being the most suitable.The lipid and protein contents of BSFL were similar among larvae fed on different substrates;however,major differences were detected in ash,micronutrient,fiber,fatty acid,and amino acid contents.Overall,the results indicate that fruit waste management through the BSFL bioconversion process rep-resents a commercially promising resource for regional and national agrifood companies.Our study offers new perspectives for sustainable and environmentally friendly industrial development by which fruit byproducts or waste might be disposed of or unconventionally enhanced to create secondary products of high biological and economic value,including BSFL biomass as animal feed or,in perspective,as alternative protein source for human nutrition.