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Biological Activity and Biochemical Properties of Water Extracts from Bacillussubtilis-fermented Silkworm (Bombyx mori L.) Powder by Origin
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산지별 고초균 발효누에의 이화학적 특성 및 생리활성

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Type
Academic journal
Author
Tae-Hoon Kim (동아대학교) Hee-Young Ahn (동아대학교) Young-Wan Kim (동아대학교) So-Yeon Sim (동아대학교) Kwon-Il Seo (동아대학교) Young-Su Cho (동아대학교)
Journal
Korean Society Of Life Science Journal of Life Science Vol.27 No.12 KCI Accredited Journals
Published
2017.12
Pages
1,470 - 1,478 (9page)

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Biological Activity and Biochemical Properties of Water Extracts from Bacillussubtilis-fermented Silkworm (Bombyx mori L.) Powder by Origin
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The aim of this study was to investigate biological activity and biochemical properties of extracts from Bacillus subtilis-fermented silkworm (Bombyx mori L., SP) powder of different origin (Buan, Namwon, and Boeun). An additional aim was to determine the inhibition of cancer cell (B16-F10, HT-29, LNcaP, and MCF-7) proliferation and nitric oxide (NO) production from lipopolysaccharide (LPS)-induced RAW264.7 cells. Biological activities (α,α’-diphenyl-β-picrylhydrazyl [DPPH], free radical scavenging activity, fibrinolytic activity, antiproliferation activity, and anti-inflammatory activity) and biochemical properties (compositional amino acid contents, and mineral contents) were examined in water extracts from silkworm powder and B. subtilis-fermented silkworm powder. The highest amino acid contents were detected in Buan silkworm powder (BU). After fermented, the highest contents were found in B. subtilis-fermented Buan silkworm powder (BBO). The major minerals detected were K, Ca, and Mg. Rates of these minerals, especially those of Na increased after fermented. DPPH radical scavenging activity and fibrinolytic activity were stronger in the fermented group than non-fermented group. DPPH radical scavenging activity and fibrinolytic activity were highest in the extract from BBO. The inhibition activities of LNcaP and MCF-7 cells viability were significantly decreased in the BBO, and there was no inhibition activity in other cancer cells (B16-F10 and HT-29). An SRB assay of the cell viability of RAW 264.7 cells exposed to extracts of silkworm powder and B. subtilis-fermented silkworm powder revealed no toxicity in any of the groups. Compared with the LPS-treated group, the biggest reduction in NO production was detected in the BBO group. Based on these results, extracts from Boeun silkworm powder fermented with B. subtilis could be a candidate material as a dietary supplement for use in healthy functional foods.
#Bacillus subtilis #Bombyx mori L. #biochemical property #biologiccal activity #fermentation

Contents

서론
재료 및 방법
결과 및 고찰
References
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References (30)

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A.O.A.C. 1975. Official methods of analysis. 12th ed., Association of official analytical chemists. Washington, D.C., U.S.A google schola Ancerewicz, J., Miqliavacca, E., Carrupt, P. A., Testa, B., Bree, F., Zini, R., Tillement, J. P., Labidalle, S., Guyot, D., Chauvet-Monges, A. M., Crevat, A. and Le Ridant, A. 1998. Structure-property relationships of trimetazidine derivatives and model compounds as potential antioxidants. Free Radic. Biol. Med. 25, 113-120. Astrup, T. and Mullertz, S. 1991. The fibrin plate method for estimating fibrinolytic activity. Arch. Biochem. Biophys. 40, 346-351. Blois, M. S. 1958. Antioxidant determination by the use of a stable free radical. Nature 26, 1199-1204. Byun, E. B., Jang, B. S., Sung, N. Y. and Byun, E. H. 2016. Immunomodulatory activity of crude polysaccharide separated from Cudrania tricuspidata leaf. J. Kor. Soc. Food Sci. Nutr. 45, 1099-1106.

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