真姬菇营养成分的测定与分析

Determination and Analysis of Major Nutritional Components in Hypsizygus marmoreus Fruitbodies

测定了真姬菇子实体中粗蛋白、粗纤维、粗脂肪、水分、灰分、多糖、维生素、氨基酸和矿物质元素。结果表明,其粗蛋白、粗纤维、粗脂肪、水分、灰分、多糖含量分别为22．3%、3．2%、3．4%、91．7%、7．8%和5．5%;维生素B2、B6,VA、VE、叶酸、烟酸、生物素含量分别为15．8 mg/kg、92．0 mg/kg、1140．0 IU/kg、7．3 IU/kg、188 mg/kg、1640．0 mg/kg、＜3．1 mg/kg;测定了18种氨基酸,8种必需氨基酸占氨基酸总量的37．86%;矿物质元素Mn、K、Ca、Na、Mg、Se、P、Cu、Fe和Zn分别为45．3,25723．8,466．6,169．7,1308．0,65．7,571．0,11．8, 237．9,98．0 mg/kg。

Concentrations of related nutritional components in Hypsizygus marmoreus fruitboches were determined. Contents of crude protein, fiber, fat, water, ash and polysaccharide in the fruitbodies were 22.3 %, 3.2 %, 3.4%, 91.7 %, 7.8 % and 5.5 % respectively. Concentrations of riboflavin, pyridoxine, Vitamin A, Vitamin E, folic acid,nicotinic acid and biotin were 15.8 mg/kg,92.0 mg/kg, 1 140 IU/kg, 7.3 IU/kg, 188 mg/kg, 640 mg/kg, and 〈 3.1 mg/kg respectively. Total content of eight essential amino acids among eighteen amino acids determined was 37.86% and the respective total non-essential amino acids, total amino acids content in the fruitbodies were 8. 684%, 13.975 %. Mineral elements Mn, K,Ca,Na,Mg,Se,P, Cu, Fe and Zn were present at concentrations of 45.3,25 723.8,466.6,169.7,1 308.0,0.065 7,571.0, 11.8,237.9 and 98.0 mg/kg, respectively.