期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 161, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.lwt.2022.113342
关键词
Ferrous gluconate; Ascorbic acid; Vacuum impregnation; Pumpkin; beta-Cyclodextrin
资金
- Universidad de Nacional de Entre Rios [9083]
- Universidad de Buenos Aires (UBACYT) [20020170100557BA]
- Consejo Nacional de Investigaciones Cientificas y Tecnicas
- Agencia Nacional de Promocion Cientifica y Tecnologica (PICT 2017) [1744, 0569]
- Agencia Nacional de Promocion Cientifica y Tecnologica (PICT 2018) [01822]
This study evaluates the effect of adding BCD and AA to FeGlu solution on the iron content and bioaccessibility in vacuum-cooked pumpkin discs. The results show that adding BCD and AA can increase the Fe2+ content in VCPD, improve the solubility and stability of iron, and preserve the color of the pumpkin discs.
Present work evaluates the content and bioaccessibility of iron in vacuum-cooked pumpkin discs (VCPD) impregnated with ferrous gluconate (FeGlu) solutions added with beta-cyclodextrin (BCD) and/or ascorbic acid (AA). The stability of Fe2+ , AA and color of the VCPD after refrigerated storage were also studied. Pumpkin discs treated with any of the FeGlu studied solutions reached a total iron content between 17 and 20 mg Fe2+/100 g. Addition of BCD or AA to FeGlu solution improved Fe2+ of VCPD compared to control fortified only with FeGlu. After in vitro digestion, soluble Fe2+ was also significantly higher in pumpkins impregnated with BCD and AA solutions. Both BCD and AA probably exert their positive effect favoring the solubility of iron and/or the stability of the ferrous iron form, being the bioaccessibility of Fe2+ approximately 17 and 20% w/w respectively, and 10% for the FeGlu-impregnated discs. Although BCD did not have the impact observed for AA, a synergistic effect was observed in BCD-FeGlu-AA systems, where the proportion of Fe2+ was approximately 50% higher than in FeGlu after 21 days of refrigerated storage. The use of BCD and AA also allowed to better maintain the color of the fortified pumpkin discs after cooking and refrigerated storage.
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