Abstract
This work aims to characterize the elemental concentrations of two banana types gold and silver. In both were analyze in the pulp and peel by X-Ray Fluorescence technique. The results showed that the elements in both types are more concentrated in the peel than in the pulp. In addition, it was also observed that the normalization of the peel and pulp concentrations for the elements K, Fe, Zn, Br, Rb, and Sr is higher in the silver banana compared to the gold banana. The results indicate that banana peels can be used to supplement nutritional deficiencies. The work also demonstrates the potential that X-Ray Fluorescence has in investigation of elemental composition of foods. As the technique has easy instrumentation and data interpretation, it can be implemented as a routine in the investigation of the elemental composition of foods. In addition, the technique has the advantage of carrying out in situ analyzes by portable instruments. These in situ investigations can even be applied to make quality control of bananas at the time of harvest.
Highlights
IntroductionDue to its sweet flavor, that pleases palates, and nutritional value banana is one of the most consumed fruits in the world, making it an ingredient in food (Du et al, 2016; Yang, Tu, et al, 2019)
Banana is one of the most versatile fruits when it comes to the culinary area
We verified the presence of the elements Cl, K, Ca, Mn, Fe, Cu, Zn, Br, Rb, Sr in the gold and silver banana peels that according to Hassan et al, 2018, are part of most of the minerals that make up the banana peel (Hassan et al, 2018)
Summary
Due to its sweet flavor, that pleases palates, and nutritional value banana is one of the most consumed fruits in the world, making it an ingredient in food (Du et al, 2016; Yang, Tu, et al, 2019). These characteristics have sparked several studies about this fruit in several areas, such as culinary preparation M. Santos, 2014)
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