Comparison of vitamin contents in winter and summer fruits of two pineapple varieties in different areas
[Objective]The objective of the study was to elucidate the impact of season and location on vitamin contents of pineapple fruits.[Method]The fruits of Comte de paris and Smooth Cayenne matured in winter and summer were sampled in Xishuangbanna of Yunnan,Wanning of Hainan and Zhanjiang of Guangdong respectively.The contents of six types of vitamins were measured by high performance liquid chromatography (HPLC).[Result]The results showed that the contents of vitamin A and vitamin B6 in the summer fruits were higher than that in the winter fruits of the two cultivars sampled in all areas; on the contrary,the contents of vitamin C and vitamin B 12 in the winter fruits were higher than that in the summer fruits.For the fruits of the two cultivars sampled in Yunnan province,summer fruits had more vitamin B3 than winter fruits.However,the results were on the contrary in the fruits sampled in the other two areas.The vitamin E was detected in the winter fruits but not in the summer fruits of the two cultivars in all areas.Vitamin B12 could not be detected in the summer fruits of Comte de paris sampled in Guangdong.So didn't the vitamin B6 in the summer fruits of Comte de paris sampled in Hainan.[Conclusion]In conclusion,the contents of six types of vitamins varied more with different seasons than with different areas.
国家科技期刊平台
NSTL
万方数据
维普
