C. Experimental procedure.
1. Division banana into 17 group, each group with 3 banana from the top, center
and bottom the bundle of bananas, the banana is packed into a bag and put retardants
maturation as follows.
Group 1 : was a control group without any substance and putting it on paper.
Group 2 : not compounds, but put plastic into the bags.
Group 3 : Add 5 g of potassium permanganate and put into plastic bags.
Group 4 : Add 10 g of potassium permanganate and put into plastic bags
Group 5 : Add 15 g of potassium permanganate and put into plastic bags
Group 6 : Add 5 g of Finely ground charcoal and put into plastic bags.
Group 7 : Add 10 g of Finely ground charcoal and put into plastic bags.
Group 8 : Add 15 g of Finely ground charcoal and put into plastic bags.
Group 9 : Add 5 g of White ashes and put into plastic bags.
Group 10 : Add 10 g of White ashes and put into plastic bags.
Group 11 : Add 15 g of White ashes and put into plastic bags.
Group 12 : Add 5 g of Powdered chalk ground and put into plastic bags.
Group 13 : Add 10 g of Powdered chalk ground and put into plastic bags.
Group 14 : Add 15 g of Powdered chalk ground and put into plastic bags.
Group 15 : Add 5 g of roasting rice and put into plastic bags
Group 16 : Add 10 g roasting rice and put into plastic bags
Group 17 : Add 15 g of roasting rice Baked rice and put into plastic bags