Analysis of Five kinds of Vitamins Content in 11 Different Pineapple Fruits
Five kinds of vitamins' contents of fruits in eleven pineapple varieties were analyzed by using HPLC.The results showed that the contents of vitamin C,vitamin A and vitamin B3 were 99.9 ~230.9 μg/g,1.6~3.8 μg/g and 3.8~23.5 μg/g,respectively,and the content of Vitamin B6 was most varied(i.e.,4.5~67.1 μg/g).On the other hand,although the content of Vitamin B12 was varied between 2.0~12.1 μg/g,in the other varieties,it was not detected in the fruit of Comte de paris,Tainong 11,Golden Winter Sweet,Phuket and New Phuke.The contents of Vitamin B3 and vitamin B6 in the fruits of Golden Winter Sweet were the highest,the contents of vitamin C in the fruit of Tainong 11 and vitamin A in the fruits of Comte de paris were significantly higher than the other varieties.The highest content of vitamin B12 was founded in the fruit of Tainong 19.