Analysis of nutrients of Prunus persica cv .Heitao fruit

Key words: 
• botany /
• Prunus persica cv .Heitao /
• fruit /
• nutrition composition

Abstract: The nutrients of Prunus persica cv .Heitao fruits was determined and analyzed .The findings showed that black peach was a juicy fruit whose moisture was as high as 88 % regardless of its size .The fruit of black peach contained 4 sugars and 5 organic acids .The contents of these sugars and acids were ranked as follows :saccharose fructose glucose raffinose ;malic acid citric acid acetic acid oxalic acid succinic acid .And it also contained 4 vitamins and various minerals .The big fruit and small fruit contained respectively 14 and 9 free amino acids, of which the threonine and histidine were the major components .The sum of these two acids took up 72.63 %of amino acid in big fruit and 70.63 % in small fruit .There were 15 hydrolysis amino acids in both big and small fruits , 8 of which were essential to human body , with 33.51 %in big fruit and 28.36 %in small fruit .In addition , most of hydrolysis amino acid was acidic amino acid , which accounted for 52.58 % in big fruit and 49.19 % in small fruit .[ Ch , 5 tab .12 ref .]