节瓜果实发育过程中营养成分含量的变化

Studies on Nutrient Components Change during Chieh-qua Fruit Development

以南宁毛节瓜、梅花5号、7-2-1-4-2-1-2-2、GF-7-1-1、CK-3-4-3-2-1-3为试材,对授粉后10、20、30、40 d4个时期正常发育的节瓜果实鲜样中的VC、有机酸、可溶性糖、可溶性蛋白含量的动态变化进行分析研究。结果表明:不同节瓜品种果实发育过程中鲜样的VC、有机酸、可溶性糖、可溶性蛋白含量的变化趋势基本一致,其中VC含量早期最高,之后快速下降,成熟时趋于稳定;有机酸含量呈先下降后回升的趋势;可溶性糖含量呈逐渐增加的趋势;可溶性蛋白含量呈先下降后小幅回升的趋势。但不同品种间变化幅度存在一定差异。

In order to study the dynamic change of nutrient contents in the development of chieh-qua （Benincasa hispidaCogn.var.chieh-quaHow.）fruit,the contents of VC,organic acid,soluble sugar and soluble protein were analyzed taking 5 chieh-qua cultivars‘Nanningmaojiegua’,‘Meihua No.5’, ‘7-2-1-4-2-1-2-2’,‘GF-7-1-1’ and ‘CK-3-4-3-2-1-3’ as experimental material during 10,20,30,40 days after pollination.The results showed that the changes in nutrient components of VC,organic acid,soluble sugar and soluble protein were basically similar during the fruit development of these 5 chieh-qua cultivars. Among them the VC contents reached the highest level in the early stage,then decreased rapidly,and tended to be stable at the mutured stage.While the organic acid contents showed a trend of decreasing first,then increasing. The soluble sugar content showed a gradually increasing trend.The soluble protein content showed a trend of decreasing first,then increasing slightly.However,there were differences between different cultivars.