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| VIANA,Kéllen Wanessa Coutinho; OLIVEIRA,Isadora Rebouças Nolasco de; ROCHA,Juliana de Cássia Gomes; BARROS,Frederico Augusto Ribeiro de; STRINGHETA,Paulo César. |
| Abstract Synthetic colourants are widely used for colouring foods. However, their safety has been questioned. Due to this limitation and the global trend of consuming healthy foods, the industry is faced with the need to replace artificial colourings, which has given rise to a growing interest in colourants from natural sources. Thus, this work obtained the moisture adsorption isotherms of the natural food dyes of anthocyanins, betalains and curcumin and evaluated the humidity, water activity (aw), hygroscopicity, colour and antioxidant capacity in vitro. Isotherms were determined by the static gravimetric method with saturated salt solutions (LiCl. H2O, MgCl2.6H 2O, Mg(NO3)2.6H2O, NaCl, KCl and K2 SO4) at 25 °C. Experimental data were adjusted by GAB,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Natural dyes; Anthocyanins; Betalains; Curcumin; Adsorption isotherm. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000500074 |
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| Dias,Nilma O; Rebouças,Tiyoko NH; São José,Abel R; Amaral,Cláudio LF. |
| ABSTRACT Originally from tropical America, annatto is an important source of natural dyes for food, pharmaceutical and textile industries, especially for the increasing demand of this pigment substituting artificial dyes. The aim of this study was to evaluate genotypic variation of annatto cultivar Embrapa 37, aiming to generate subsidies for breeding programs as well as to help out the producers using vegetative propagation of superior genotypes. Therefore, the morphological characterization was carried out and estimates of genetic and phenotypic parameters, for production and quality of the fruits, were obtained. The results showed wide rate of genetic variability among the plants with low environmental influence on the phenotype for traits bixin... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bixa orellana; Natural dyes; Heritability; Genetic gain.. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362017000200242 |
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