4.7 Article

Six months under uncontrolled relative humidity and room temperature changes technological characteristics and maintains the physicochemical and functional properties of carioca beans (Phaseolus vulgaris L.)

期刊

FOOD CHEMISTRY
卷 342, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.128390

关键词

Postharvest storage; Common bean; Glycosylated kaempferol; Antioxidant capacity; Phenolic compounds

资金

  1. CAPES/Brazil (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior) [200382/2011-0]
  2. PDSE CAPES (Programa de Doutorado Sanduiche no Exterior)
  3. EMBRAPA RICE AND BEAN/Brazil [Call 07/2011, 02.11.07.010.00.00]
  4. CNPQ/Brasil (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) grant [CNPQ 305655/2013-2]
  5. CNPQ/Brasil [306735/2016-4]

向作者/读者索取更多资源

This study evaluated the effects of commercial postharvest storage (CPS) on the technological, physicochemical, and functional properties of carioca beans, finding that storage time affected the pH and acidity of the beans, with MP beans showing better physicochemical properties than PO beans. Glycosylated kaempferol was suggested as a possible chemical marker to differentiate the aging of PO and MP beans. Besides technological differences, storage was able to prevent physicochemical and functional alterations of beans.
Carioca beans contribute to health maintenance around the world, and the evaluation of commercial postharvest storage (CPS) ensures their quality. This study aimed to evaluate the effect of CPS on technological, physicochemical and functional properties of carioca beans. Two genotypes (Pontal-PO and Madreperola-MP beans) were stored under CPS or controlled conditions and were evaluated after harvest and after threeand six-months storage. PO and MP hardened with time, but the cooking time did not differ. PO is darker than MP and both darkened over time. Storage time affected pH and acidity of the beans and MP presented better physicochemical properties than PO, with lower activity of peroxidase (p = 0.004) and polyphenoloxidase (p = 0.001) enzymes. Glycosylated kaempferol was suggested as a possible chemical marker to differentiate the aging of PO and MP beans. In conclusion, besides the technological differences, the storage was able to prevent physicochemical and functional alterations of beans.

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