Abstract
The aim of this study was to explore the potential of the agroindustrial waste from two Colombian mango cultivars as sources of bioactive phenolic compounds. Phenolic extracts from mango waste (peels, seed coats, and seed kernels) of ‘sugar mango’ and ‘Tommy Atkins’ cultivars were obtained. The bioactive properties of the phenolic extracts were accessed by measuring their free radical scavenging activity and antioxidant effects against lipid oxidation in food products; moreover, their antiproliferative effects against some cell lines of human cancer were explored. It is observed that the agroindustrial waste studied provides promising sources of bioactive phenolics. ‘Sugar mango’ waste provided extracts with the highest antioxidant effect in food products and antiproliferative activity; these extracts reduced lipid oxidation and cell growth by more than 57% and 75%, respectively. The seed kernel from ‘sugar mango’ supplied the extract with the best bioactive qualities; in addition, some recognized bioactive phenolics (such as mangiferin and several galloyl glucosides) were observed in this extract and related with its properties. The results obtained suggest that ‘sugar mango’ waste may be considered a source of bioactive phenolics, with promising uses in food and pharmaceutical products. Thus, a suitable alternative for the use and valorization of agroindustrial waste from Colombian mango cultivars is presented.
Highlights
Mango (Mangifera indica L.) is recognized as one of the most important tropical and subtropical fruits in the world
Phenolic extracts from mango waste were obtained, and their free radical scavenging activity and protective effect against lipid oxidation in food products were evaluated
Phenolic compounds are a big group of phytochemicals widely distributed in plants; they are well known for their beneficial biological effects and promising uses in food, cosmetic, and pharmaceutical products
Summary
Mango (Mangifera indica L.) is recognized as one of the most important tropical and subtropical fruits in the world. It is produced in large quantities and highly accepted by consumers. The production of mango takes place in more than 115 countries [1]. According to the Food and Agriculture Organization (FAO) of the United Nations, the global production of mango was 46.5 million metric tons in 2016; India was the main mango producer, at 18.7 million metric tons [2]. There are several hundreds of mango cultivars in the world; some of them are endemic to certain regions and Antioxidants 2019, 8, 41; doi:10.3390/antiox8020041 www.mdpi.com/journal/antioxidants.
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