Why are bananas yellow?

Banana peel contains chloroplasts, which contain chlorophyll and carotenoids. After banana picking, under the influence of temperature, chlorophyll will be destroyed and less and less, while yellow carotenoids are still more at this time.

So bananas will gradually turn from green to yellow. Green bananas contain more starch, so they are hard but not sweet. Huang Xiangjiao contains more soluble sugar such as sucrose and less starch, so it is soft and sweet.

Growing environment of bananas:

Bananas like hot and humid climate and thrive in deep soil, loose soil and well-drained land. Irrigation planting is also successful in semi-arid areas such as southern Jamaica. Wild bananas are cultivated with seeds, and artificial bananas can be cultivated with roots and pseudobulb ramets; The first harvest takes 10 ~ 15 months, and then it is almost continuous.

Banana roots are tender, soil selection requirements are strict, and clay soil with poor air permeability, poor structure or poor drainage is extremely unfavorable to the development of roots. Sandy loam with clay content less than 40% and groundwater level below 1 m, especially alluvial loam or humus loam, is suitable.