Physicochemical and microbiological properties of selected rice flour-based batters for fried chicken drumsticks

Food Science Program, Kansas State University, Manhattan 66506, USA.

Rice flour-based batter (RFBB) formulations for chicken drumstick coating were developed as an alternative for traditional wheat flour-based batter (WFBB). Physicochemical properties and storage stability of selected RFBB were evaluated and compared to WFBB. Batter pickup of RFBB formulated in combination with oxidized corn starch and methylcellulose (MC) was not significantly different from that of WFBB. In contrast, batters with only rice and corn flour (60:40% flour weight) exhibited significantly higher pickup. Rice flour batter with 15% oxidized corn starch had the lowest batter pickup. All RFBB exhibited (P < 0.05) lower oil absorption than WFBB. The TBA values of RFBB and WFBB increased (P < 0.05) with increased frozen storage time at -40 C for 90 d. The RFBB with MC exhibited the lowest TBA values, whereas WFBB had the highest values. Microstructural analysis revealed that freezing caused structural deterioration of all batters, but the RFBB with MC exhibited less freezing tolerance than other samples. The total plate counts of immediately fried or frozen fried chicken stored for 90 d were less than 1 log cfu/g sample. The RFBB with 5% oxidized corn starch and MC can replace WFBB on fried drumsticks. Additionally, RFBB results in a healthier product due to lower fat absorption.

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