Although there are radioactive isotopes, the term refers to nonradioactive atoms, too. fStop Images-Jutta Kuss, Getty Images.
Confidence votes 30. The starch is a kind of energy which is stored in the plant , and almost all the plants have the starch.The content of starch in the green bean is between 47.2% to 58.6%.
Starch is a carbohydrate produced by all green plants that has a large number of glucose units used to store energy. Plants such as potatoes, wheat, corn, rice, and cassava, are all rich with this type of carbohydrate which is necessary for man. Starch contains 20-25% amylase and 75-80% amylopectin molecules.