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DIETARY FIBRE CONTENT, PHENOLIC COMPOUNDS AND ANTIOXIDANT ACTIVITY IN SOURSOPS (Annona muricata L.) Rev. Bras. Frutic.
SIQUEIRA,AMANDA DE MORAIS OLIVEIRA; MOREIRA,ALDENISE CHAGAS CURVÊLO GONÇALVES; MELO,ENAYDE DE ALMEIDA; STAMFORD,THAYZA CHRISTINA MONTENEGRO; STAMFORD,TÂNIA LÚCIA MONTENEGRO.
ABSTRACT Healthy eating is associated with the consumption of fruits, which are notable for their beneficial effects on human health. The aim of this study was to evaluate the proximate composition, composition of fibers and components with antioxidant activity in soursops varieties Crioula, Lisa and Morada of physiological maturity (PM) and mature (M). The protein, lipid and moisture contents did not differ between soursop varieties, but the ash contents were higher in the Morada-PM (0.56%±0.03) and the Morada-M (0.82%±0.10) varieties. The Crioula-M variety showed higher levels of total dietary fibre (5.76%±0.12). The Lisa-M variety showed higher levels of insoluble dietary fibre (4.46%±0.00). The Lisa-M variety also showed a higher level of phenolic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tropical fruit; Dietary fibre; Phenolics; Antioxidant activity.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452015000401020
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STABILITY OF ANTHOCYANINS FROM AGROINDUSTRIAL RESIDUE OF ISABEL GRAPE GROWN IN SÃO FRANCISCO VALLEY, BRAZIL Rev. Bras. Frutic.
BASTOS,RAFAELLA DA SILVA; OLIVEIRA,KARLLA KARINNE GOMES DE; MELO,ENAYDE DE ALMEIDA; LIMA,VERA LÚCIA ARROXELAS GALVÃO DE.
ABSTRACT Grape by-products are promising and sustainable sources of anthocyanins. Considering the factors related to degradation of those pigments, spectrophotometric and kinetic analyzes were carried out with the aim to evaluate the light and heat stability of anthocyanins from Isabel grape residue. We found that the exposure to luminosity (80W; 2500 lux) and high temperature (= 70ºC) significantly affected the absorption and content of those compounds (p <0.05), whose the most stable condition was obtained at 50°C (t1/2: 37.7h; k: 1.84 x 10-2 h-1) and protected from light (t1/2: 3,320.6h; k: 2.09 x 10-4 h-1). Therefore, the anthocyanins from the agroindustrial residue of Isabel grape are an alternative of natural colorants for food that can be...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vitis labrusca; Kinetics; Thermal degradation; Light.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000100903
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