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KMID : 1041220040460020047
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Journal of Sericultural and Entomological Science
2004 Volume.46 No. 2 p.47 ~ p.53
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Varietal Analysis and Quantification of Amino Acid in Mulberry Fruits
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Kim Hyun-Bok
Kim Sun-Lim
Kang Seok-Woo
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Abstract
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To reveal the possibility as a source of functional food and to increase the usability of mulberry fruits, amino acid analysis with mulberry fruits was carried out with L-8800 Amino acid auto analyzer. We analyzed 16 amino acid components including 6 essential amino acids. According to the results, the mean content of total amino acid was 4,640.8 mg/100 g DW. ’’Sabangso(II)’’ showed the highest total amino acid content (6,919.3 mg/100 g DW) among the fifty accessions tested, whereas ’’Gukkwang’’ showed the lowest content (3,389.1 mg/100 g DW). The distribution rate of amino acid components decreased in the order of Glu ($20.1\%$) > Gly ($12.7\%$) > Asp ($12.5\%$) > Thr ($8.2\%$) > Ala ($7.9\%$) > Arg ($7.5\%$) > Pro ($6.1\%$) > Ser ($6.1\%$) > Val ($5.7\%$) > Leu ($5.3\%$) > Ile ($2.7\%$) > His ($2.5\%$) > Met ($0.9\%$) > Tyr ($0.8\%$) > Lys ($0.7\%$) > Cys ($0.3\%$). ’’Sabangso(II)’’ showed the highest content in 11 amino acid components, which were Glu (1,293.2 mg/100 g), Ser (390.2 mg/100 g), Thr (564.4 mg/100 g), His (175.3 mg/100 g), Arg (590.4 mg/100 g), Lys (53.5 mg/100 g), Gly (589.4 mg/100 g), Ala (499.3 mg/100 g), Leu (481.9 mg/100 g), Ile (240.9 mg/100 g), and Val (407.6 mg/100 g). Tyr and Cys were the highest in ’’Jangsosang’’ (70.8 mg/100 g, 19.3 mg/100 g, respectively), and Asp, Pro, and Met were the highest in ’’Jasan(I)’’, ’’Hwansipchosaeng’’ and ’’Palcheongsipyung(I)’’ (1,098.8 mg/100 g, 364.4 mg/100 g, 68.8 mg/100 g, respectively).
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