Brazil has a wide variety of fruits that remain insufficiently explored.To encourage the use of one such fruit,the bacupari((Garcinia brasiliensis(Mart.)),the current study produced flours from its by-products(the pee...Brazil has a wide variety of fruits that remain insufficiently explored.To encourage the use of one such fruit,the bacupari((Garcinia brasiliensis(Mart.)),the current study produced flours from its by-products(the peel and seed)at two maturation stages and subsequently evaluated their proximate composition,physical,antioxidant,bioactive,microstructural and thermal properties.The results revealed that the flours have a high in fiber content(>15%)and are a potential source of protein(>5%).Seed flour has an energy value similar to that of wheat flour and other conventional flours.Seed flour micrographs indicate the presence of starch,a fact confirmed by viscosity analysis.The flours contain phenolic compounds and exhibit antioxidant activity,especially the unripe peel flour.Among the compounds identified by chromatography,those present in the greatest concentrations were quinine(≅111μg/g),p-coumaric acid(≅25μg/g),m-coumaric acid(≅15μg/g),and formononetin(≅21μg/g),all of which are known to have several human health benefits.Seed flour crystallinity diminished as the fruit ripened.Peel flour exhibited similar thermal transitions but less thermal stability than seed flour.In summary,this study revealed that flours produced from the peel and seeds of bacupari,which are generated in large quantities as agro-industrial by-products,can be used as alternative ingredients in various sectors of the food industry.展开更多
基金the National Council for Scientific and Technological Development-CNPq(grant number 314184/2020-1).
文摘Brazil has a wide variety of fruits that remain insufficiently explored.To encourage the use of one such fruit,the bacupari((Garcinia brasiliensis(Mart.)),the current study produced flours from its by-products(the peel and seed)at two maturation stages and subsequently evaluated their proximate composition,physical,antioxidant,bioactive,microstructural and thermal properties.The results revealed that the flours have a high in fiber content(>15%)and are a potential source of protein(>5%).Seed flour has an energy value similar to that of wheat flour and other conventional flours.Seed flour micrographs indicate the presence of starch,a fact confirmed by viscosity analysis.The flours contain phenolic compounds and exhibit antioxidant activity,especially the unripe peel flour.Among the compounds identified by chromatography,those present in the greatest concentrations were quinine(≅111μg/g),p-coumaric acid(≅25μg/g),m-coumaric acid(≅15μg/g),and formononetin(≅21μg/g),all of which are known to have several human health benefits.Seed flour crystallinity diminished as the fruit ripened.Peel flour exhibited similar thermal transitions but less thermal stability than seed flour.In summary,this study revealed that flours produced from the peel and seeds of bacupari,which are generated in large quantities as agro-industrial by-products,can be used as alternative ingredients in various sectors of the food industry.