Free Sugars, Amino Acids, Organic Acids, and Minerals of the Fruits of Paper Mulberry (Broussonetia Kazinoki Siebold)

닥나무 열매 (저실자)의 유리당, 아미노산, 유기산 및 무기질의 조성

  • 윤숙자 (배화여자전문대학 전통조리과) ;
  • 김나영 (단국대학교 식품영양학과) ;
  • 장명숙 (단국대학교 식품영양학과)
  • Published : 1994.12.01

Abstract

This study was carried out to investigate the proximate composition , free sugars,amino acids, organic acid, minerals and extracted color of the fruit of paper mulberry (Broussonetia Kazinoki Siebold) . the proximate compositins were 6.1% of moisture, 15.9% of crude protein, 28.5% of crude fat, 8.9% of crude ash and 40.6% of carbohydrates in the fruit of paper mulberry. Free sugars showed low content as 0.1% of glucose , 0.1% of sucrose, 0.1% of fructose and 0.01% of sorbitol, respectively. In amino acid composition of the fruit of paper mulberry, glycine was the highest in the content, followed by methionine, aspartic acid and alanine, The ratio of essential /total mino acids was 0.43 . The richestmineral contained in the fruit of paper mulberry was Ca and followed by K and Mg. Optical density (490-500nm) of the extracted color with 50% ehtanol and 80 % ethanol were 0.75 and 0.30 , respectively.

Keywords

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