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Study finds banana peels make sugar cookies more healthful

ANI | Updated: Aug 18, 2022 22:58 IST


Washington [US], August 18 (ANI): During a recent study, researchers showed that incorporating banana peel flour into sugar cookie batter makes the treats more healthful.
In taste tests, cookies enriched with some banana peel flour were more satisfying than those baked with wheat flour alone. The findings of the study were reported in ACS Food Science and Technology.
Banana peels aren't always destined for the trash or compost anymore. They're making their way onto people's plates, replacing pork in 'pulled peel' sandwiches and getting fried up into 'bacon'.
Interest in plant-based diets and reducing food waste is increasing, and people want creative ways to use every part of their vegetables and fruits. Banana peels are one such waste that chefs and home cooks have been experimenting with, but these skins are extremely fibrous, making them unpleasant to eat raw.

Recently, scientists found that they can grind the peels into a flour that's rich in fibre, magnesium, potassium and antioxidant compounds. And when small amounts of wheat flour in breads and cakes were replaced with the new flour, the baked goods were more nutritious and had acceptable flavors.
However, similar experiments haven't been widely done with cookies. So, Faizan Ahmad and colleagues wanted to substitute some of the wheat flour in sugar cookies with banana peel flour, assessing the cookies' nutritional quality, shelf stability and consumer acceptance.
To make banana peel flour, the researchers peeled ripe, undamaged bananas and then blanched, dried and ground the skins into a fine powder. They mixed together different amounts of the powder with butter, skimmed milk powder, powdered sugar, vegetable oil and wheat flour, creating five batches of sugar cookies, and baked them.
Increasing the amount of the banana peel flour from 0 to 15 per cent in the batches produced browner and harder products, which could be a result of the increased fibre content from the peels. In addition, cookies with banana peel flour were more healthful, having less fat and protein, higher amounts of phenols and better antioxidant activities than the conventional ones.
A trained panel determined that cookies with the smallest substitution of banana peel flour (7.5 per cent) had the best texture and highest overall acceptability compared to the other batches. This batch also kept well for three months at room temperature, it tasted the same as the wheat-only versions after the lengthy storage period. Because cookies can be enriched with some banana peel flour without impacting their consumer acceptance, the researchers say this addition could make these baked goods more nutritious. (ANI)

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