The main component of unripe bananas is starch. Green bananas contain up to 70-80% starch, on a dry weight basis. During ripening, the starch is converted into sugars and ends up being less than 1% when the banana is fully ripe (2). The most common types of sugar found in ripe bananas are sucrose, fructose and glucose. In ripe bananas, the total content of sugars can reach more than 16% of the fresh weight (2).
Scientific Make Up-Composition Of The March Birthstone. Aquamarines vary in color from deep blue to bluish-green, with differing intensities due to the varying quantities of iron in the beryl crystal. Naturally occurring deep blue aquamarine stones are rare, expensive and in high demand.
Februaryâs birthstone, the amethyst, was the stone of royalty, representing power. Februaryâs birthstone is the amethyst. Amethysts contain the second most abundant mineral found in Earthâs crust â quartz. Quartz is often found lining the insides of geodes. So itâs no wonder that geodes sometimes contain amethysts, too. Like quartz, amethysts are a transparent form of silicon dioxide (SiO2).