期刊
FOOD CHEMISTRY
卷 196, 期 -, 页码 567-576出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.09.031
关键词
Heme iron; Food fortification; Co-spray-drying; Antioxidants; Oxidative stability
资金
- EVALXARTA (Xarxa de Referencia en Tecnologia dels Aliments de la Generalitat de Catalunya) programme
- Government of Navarra
Fortification of food products with iron is a common strategy to prevent or overcome iron deficiency. However, any form of iron is a pro-oxidant and its addition will cause off-flavours and reduce a product's shelf life. A highly bioavailable heme iron ingredient was selected to fortify a chocolate cream used to fill sandwich-type cookies. Two different strategies were assessed for avoiding the heme iron catalytic effect on lipid oxidation: ascorbyl palmitate addition and co-spray-drying of heme iron with calcium caseinate. Oxidation development and sensory acceptability were monitored in the cookies over one-year of storage at room temperature in the dark. The addition of ascorbyl palmitate provided protection against oxidation and loss of tocopherols and tocotrienols during the preparation of cookies. In general, ascorbyl palmitate, either alone or in combination with the co-spray-dried heme iron, prevented primary oxidation and hexanal formation during storage. The combination of both strategies resulted in cookies that were acceptable from a sensory point of view after 1 year of storage. (C) 2015 Elsevier Ltd. All rights reserved.
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