Journal
FOOD CHEMISTRY
Volume 438, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2023.137992
Keywords
Resistant starch; Protein; Oil uptake; Batter-coated nuts; Frying
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This study investigated the effects of adding resistant starch and protein on the oil uptake and quality of fried batter-coated nuts. The results showed that the addition of resistant starch and protein increased the hardness and fracturability of the batter-coated nuts, while reducing the oil content. The microstructure of the batter also indicated that the addition of protein resulted in a denser and more uniform texture.
The batter compositions can affect the oil uptake and texture of fried batter-coated nuts. In this study, the oil uptake and quality of fried batter-coated peanuts and sunflower seeds added with resistant starch and protein were investigated. The results demonstrated that the addition of resistant starch increased the batter hardness and fracturability of the fried batter-coated peanuts by 34.36 % and 33.73 %, respectively. The oil content of fried batter-coated peanuts and sunflower seeds were decreased by 17.98 % and 15.69 %, respectively, with the addition of protein. The microstructure and roughness of the batter revealed that the batter added with protein became denser and uniform. Furthermore, the protein in the batter added with 6 % soy protein isolate had a high surface hydrophobicity. In summary, the addition of resistant starch and protein in batter will be a promising strategy for reducing the oil content and improving the quality of fried batter-coated nuts.
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