Australian Insect Industry RD&E Plan 2023-2028
The global increase in demand for protein has resulted in the rapid expansion of insect farming over the past decade. Insects are a highly efficient...
Published: 22 Jun 2023
Author(s): C. J. Malcolm, J. M. L. Malcolm
Download report PDFDownload
There is a growing interest in the valorisation of food waste using black soldier fly larvae (Hermetia illucens L.; BSFL). This is largely due to its omnivorous diet, short life cycle and low environmental footprint compared with other protein production methods (EAWAG, 2019). Black soldier fly larvae are attractive as a source of protein and fat for stock, aquaculture and pet feed. The food safety of BSFL as a feed ingredient may be influenced by a range of factors, including the post-harvesting processing methods, i.e., sanitising, drying and defatting.
This fact sheet details the impact of four small-scale drying methods (low-temperature air drying, high-temperature oven drying, microwave drying and freeze drying) on BSFL to help small-scale producers. Each method is capable of effectively drying the larvae. However, small-scale producers may wish to consider the following factors before deciding which method to use: the quantity of larvae to be dried; the capital and operating costs of drying equipment; and the effect on the physical appearance of larvae.