A reaction is said to be spontaneous if it occurs without being driven by some outside force. There are two driving forces for all chemical reactions. The first is enthalpy, and the second is entropy. Entropy (DS) is a measure of the disorder of a system, and systems tend to favor a more disordered system: nature tends toward chaos. Spontaneous reactions occur without outside intervention.
Banana â sources of vitamin A and carotene, vitamin C and B6. A high source in potassium, maintain blood pressure level. Variety of bananas are grown in the Philippines, these varieties differ in sizes, shapes and colors. Ideal for snack are the cooking banana (saba and gardaba) for banana cue and boiled banana. Daily consumption are known to protect against cardiovascular disease and chronic disease, also preventive measures against diabetes.
Most Europeans are only familiar with Cavendish bananas, the main commercial variety. But in fact there are over 1000 different varieties of banana, only about half of which are edible, and some only popular in exotic countries. All these varieties grow in the wild. Some are just as sweet as the Cavendish variety but have a different flavour and texture. Others, like plaintains (or cooking bananas), can be prepared like vegetables. Some varieties look very attractive but are not edible. Fig bananas are a sweet, chunky type of cooking banana. Red bananas are very tasty and they look very attractive too. Pisang awak bananas taste very sweet and are very popular in south-east Asia. This type of cooking banana, with fingers growing very close together, is known as Praying Hands or Benedetta. The False Horn is a very sweet cooking banana which is very popular in Africa and Latin America.