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Ohmic Heating Application on Pork Burger Processing

delete2026-09-08
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OA
AI
C
Celso F. Balthazar *
J
Jonas Guimarães
R
Rodrigo N. Cavalcanti
A
Andrea G. Mascarenhas
T
Thais R. C. Pereira
R
Renata S. L. Raices
M
Monica Q. Freitas
E
Erick A. Esmerino
A
Adriano G. Cruz
S
Sergio B. Mano
E
Eliane Teixeira Mársico
DOI:10.1111/1750-3841.71391delete
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摘要

摘要

En 中文
本研究评估了不同电场强度下的欧姆加热(OH)(OH10:5 V/cm,OH12.5:6.3 V/cm,OH15:7.5 V/cm)与常规烧烤(CONV)在猪肉汉堡加工中的比较,重点关注微生物灭活、理化及流变特性,以及体外生物活性。CONV需要7分钟达到75°C(加热速率:11.15°C/min)。OH所需时间显著更长:17分钟(OH15)、36分钟(OH12.5)和82分钟(OH10)——这是能量效率与产能之间的权衡,必须考虑工业应用。在能量性能方面,CONV消耗996 ± 6 kJ/kg,而OH15消耗594 ± 17 kJ/kg——减少了40%,具有统计学意义(P = 0.0097)。与CONV(3.6 log CFU/mL;P < 0.05)相比,OH15显著降低了总好氧嗜温菌(1.7 log CFU/mL),且所有加热样品中均未检出Enterobacteriaceae。OH保持了宏量营养素组成,但降低了持水力并增加了硬度(76–96 kPa vs. CONV的36 kPa),表明质地发生变化。OH增强了体外生物活性(DPPH抑制:OH15为0.51% vs. CONV的0.29%;ACE抑制:0.40% vs. 0.15%)及维生素B12保留率(0.14 vs. 0.11 µg/100 g;P < 0.05)。然而,这些生物活性值代表非常低的绝对水平,不支持OH处理的汉堡为抗氧化、抗高血压或抗糖尿病活性来源的说法。尽管欧姆加热在能量效率和微生物灭活方面具有优势,但其较长的加工时间——尤其是在较低电压下——对工业规模化构成挑战。未来研究应专注于优化电场强度,以平衡节能、加工时间和产品质量。
Keyword:
bioactivity
energy efficiency
microbial inactivation
rheological characteristics
sustainability
vitamin B12
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期刊

Journal of Food Science 封面图
Journal of Food Science
IF:
3.4
论文数:
1.2W
被引数:
3.2W

机构

F
federal fluminense university
学者数:
91
论文数: 38
被引数: 0
F
Federal Institute of Rio de Janeiro
学者数:
8
论文数: 7
被引数: 0
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