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KMID : 0613820220320100784
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Journal of Life Science
2022 Volume.32 No. 10 p.784 ~ p.791
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Physicochemical Properties of Protaetia brevitarsis sinulensis Larvae Reared with Feed Including Noni and Nipa Palm
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Kim Sam-Woong
Je Kyeong-Min
Kim Dul-Nam
Kim Tae-Wan
Bang Kyu-Ho
Chi Won-Jae
Bang Woo-Young
Kim Jang-Hyeon
Yang Chul-Woong
Kim Il-Suk
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Abstract
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This study observed changes in the body composition of Protaetia brevitarsis sinulensis larvae when reared with feed that included noni and nipa palm. Compared to the control group, the death rate and product yield of the treatment group were improved after the larval fasting process. The brightness of the larval powder of the treatment group increased, but the redness decreased. The crude fat content of the treated group was slightly increased according to the assays of the general components, but the mineral content was significantly increased. The total structural amino acids of the treatment group decreased, but the total free amino acids increased. The structural amino acids generally tended to decrease in the treatment group. However, the free amino acids showed no specific differences. Among the free amino acids, tryptophan, phosphoserine, and methylhistidine were highly increased in the treatment group, whereas threonine, methionine, and asparagine showed the opposite results. Among the polyunsaturated fatty acids, eicosapentaenoic acid (C20:5n3) of omega-3 was increased in the treatment group, but the omega-6 series was decreased. Since minerals, total free amino acids, and omega-3 fatty acids in the treatment group were increased compared to the control group, we suggest that noni and nipa palm can potentially be applied to the production of functionally improved substances as additional sources of feed for Protaetia brevitarsis sinulensis larvae.
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KEYWORD
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Feed, larvae, noni, nipa palm, Protaetia bretarsis sinulansis
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