Comparison of the nutritional composition of silkworms reared on artificial and mulberry leaf diets
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The development of artificial diets is necessary for the mass production of sericultural products. The aim of this study was to compare the nutritional composition of silkworms (Bombyx mori) reared on artificial and mulberry leaf diets to evaluate their potential as functional food sources. Protein, lipid, and amino acid composition and 1-deoxynojirimycin (1 DNJ) content were analyzed in fifth-instar silkworms on days 3 and 7. Silkworms fed artificial diets had lower protein levels than those fed mulberry leaves. Additionally, key amino acids, including glycine, alanine, serine, and tyrosine, were deficient in the artificial diet group, potentially limiting silk protein synthesis. Moreover, 1-DNJ content was significantly lower in silkworms fed artificial diets than in those fed mulberry leaves, suggesting a reduced functional component profile. These findings highlight the need for further improvements in artificial diets to match the nutritional benefits of mulberry leaves. This study provides insights into optimizing artificial diet formulations and underscores the potential of silkworms as functional food ingredients. Future research should focus on enhancing the nutritional profiles of artificial diets to improve the quality of silkworm-derived functional compounds.
Abstract
The development of artificial diets is necessary for the mass production of sericultural products. The aim of this study was to compare the nutritional composition of silkworms (Bombyx mori) reared on artificial and mulberry leaf diets to evaluate their potential as functional food sources. Protein, lipid, and amino acid composition and 1-deoxynojirimycin (1 DNJ) content were analyzed in fifth-instar silkworms on days 3 and 7. Silkworms fed artificial diets had lower protein levels than those fed mulberry leaves. Additionally, key amino acids, including glycine, alanine, serine, and tyrosine, were deficient in the artificial diet group, potentially limiting silk protein synthesis. Moreover, 1-DNJ content was significantly lower in silkworms fed artificial diets than in those fed mulberry leaves, suggesting a reduced functional component profile. These findings highlight the need for further improvements in artificial diets to match the nutritional benefits of mulberry leaves. This study provides insights into optimizing artificial diet formulations and underscores the potential of silkworms as functional food ingredients. Future research should focus on enhancing the nutritional profiles of artificial diets to improve the quality of silkworm-derived functional compounds.