International Journal of Industrial Entomology and Biomaterials

  • 제43권2호
  • /
  • Pages.85-93
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  • 2021
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  • 3022-7542(pISSN)
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  • 2586-4785(eISSN)
한국잠사학회 (Korean Society of Sericultural Science)
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Analysis of nutrient composition of silkworm pupae in Baegokjam, Goldensilk, Juhwangjam, and YeonNokjam varieties

  • Lee, Ji Hae (Department of Agricultural Biology, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Jo, You-Young (Department of Agricultural Biology, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Kim, Seong-Wan (Department of Agricultural Biology, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Kweon, HaeYong (Department of Agricultural Biology, National Institute of Agricultural Sciences, Rural Development Administration)
  • 투고 : 2021.09.16
  • 심사 : 2021.12.17
  • 발행 : 2021.12.31
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초록

Silkworm pupae have been utilized as a food source and have high-quality proteins and fatty acids. However, studies on the nutritional composition of pupae according to their variety, developmental stage, and sex have not been conducted. In this study, the nutritional composition of four Korean silk varieties (Baegokjam, BG; Goldensilk, GS; Juhwangjam, JH; and YeonNokjam, YN) were analyzed according to developmental stage and sex. The main ingredient of the pupa was protein, and the protein levels were higher in females than in males. Fat levels were high in males and increased in YN and GS during the late stage but decreased in BG. Fiber content rapidly increased in the late stages, and the lowest content was observed in BG. The pupae contained all essential amino acids, which were detected at higher ratios in females with a high protein content. Fatty acids had a different predominance depending on the variety. Oleic acid level was high in BG, linoleic acid and linolenic acid levels were high in GS, and palmitic acid and stearic acid levels were high in JH. In the mineral analysis, zinc was dominant in BG, whereas calcium and iron levels were relatively low. Zinc level was low in GS, and calcium and magnesium levels were high in JH. Potassium, sodium, magnesium, and phosphorus levels were low in YN. The silkworm pupae showed differences in components according to their variety, sex, and developmental stage; therefore, selecting a variety suitable for its purpose is necessary.

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과제정보

This study was supported by the 'Research Program for Agricultural Science & Technology Development' (Grant No. PJ01502202), National Institute of Agricultural Sciences, Rural Development Administration, Republic of Korea.

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