Contents and changes of anthocyanin in blueberry during fruit development

The contents of anthocyanin in 25 highbush blueberry,9 half-highbush blueberry,and 10 blueberry hybrid progeny fruits were analyzed.The results showed that content of anthocyanin ranged from 52.700 to 233.000 U·g-1 FW,in which the content of Amblue anthocyanin was the highest.Average anthocyanin content of highbush blueberry and half-highbush blueberry was 103.771 and 99.956 U·g-1 FW,respectively.The coefficient of variation of anthocyanin contents was 29.48% between the highbush blueberry cultivars,and 19.64% between the half-highbush blueberry cultivars.Average anthocyanin content of hybrid progeny was 135.860 U·g-1 FW,which was higher than that of highbush blueberry and half-highbush blueberry.The change of anthocyanin content was detected during fruit development.The results showed that anthocyanin primarily lied in the skin for blueberry.Pink stage was the key syntheses stage and 50% blue stage was the rapid syntheses stage for blueberry.