Débora A. Campos, together with her team, developed a simple method for extracting bromelain from industrial pineapple residues (stems and peels).
The developed methodology, based on the precipitation with carrageenan, represents an alternative to the use of organic solvents and inorganic salts (common industrial reception) and allows to obtain extracts with high purity of bromelain.
Bromelain is a sulfhydryl protease that is present in large quantities in the pineapple stem and peel and has many applications in the food industry, as can be read in the article. The recovery of bromelain from pineapple residues is an example of sustainability and the reuse / recovery of agrifood waste.
With this work, the researchers obtained a high recovery yield (80-90%) of active bromelain, from the raw juices (stems and shells), making it possible to obtain ca. 0.3 g of bromelain from 100 g of pineapple by-products using a low concentration of polysaccharide.
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