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A bottle of iodine solution used on apples to determine the correct harvest time. The chart shows the level of residual starch. The cut surface of an apple stained with iodine, indicating a starch level of 4–5. The iodine–starch test is a chemical reaction that is used to test for the presence of starch or for iodine. The combination of ...
Iodine (I) can be used to determine whether fruits are ripening or rotting by showing whether the starch in the fruit has turned into sugar. For example, a drop of iodine on a slightly rotten part (not the skin) of an apple will stay yellow or orange, since starch is no longer present.
Don't skip the yolks, either—they contain all the vitamins and minerals in eggs, including iodine and selenium, and deliver protein, too. One whole large egg has about 6 grams of protein and ...
An apple is a round, edible fruit produced by an apple tree (Malus spp., among them the domestic or orchard apple; Malus domestica). Apple trees are cultivated worldwide and are the most widely grown species in the genus Malus. The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found.
"Apples contain two types of fiber, ... However, "On its own, no, an apple a day does not keep the doctor away," Levee says. "Apples don’t meet all of our nutrition needs, but they certainly do ...
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Iodine can form compounds using multiple oxidation states. Iodine is quite reactive, but it is much less reactive than the other halogens. For example, while chlorine gas will halogenate carbon monoxide, nitric oxide, and sulfur dioxide (to phosgene, nitrosyl chloride, and sulfuryl chloride respectively), iodine
Apples have 95 calories, 4 grams of fiber and 11 percent of the daily recommendation for vitamin C. Learn more health benefits of the fruit plus apple recipes.