What question did this study set out to answer?

To evaluate microwave processing against conventional thermal treatment for inactivating lipoxygenase and trypsin inhibitors in soymilk and to characterize their inactivation kinetics.

March 10, 2021LWTOpen Access

Microwave and conventional thermal processing of soymilk: Inactivation kinetics of lipoxygenase and trypsin inhibitors activity

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To evaluate microwave processing against conventional thermal treatment for inactivating lipoxygenase and trypsin inhibitors in soymilk and to characterize their inactivation kinetics.
Measured dielectric and electrical properties of soymilk at varying temperatures to establish microwave penetration depth.
Treated soymilk across multiple time-temperature profiles using microwave radiation and conventional thermal processing.
Fit experimental inactivation data to three mathematical kinetic models to determine reaction parameters.
Lipoxygenase inactivation followed first-order kinetics with two fractions, whereas trypsin inhibitor inactivation was best described by the Weibull model.
Microwave and conventional thermal treatments exhibited equivalent inactivation effectiveness for both lipoxygenase and trypsin inhibitors, indicating an absence of non-thermal microwave effects.

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Implication

Comparative experimental study reveals equivalent inactivation of lipoxygenase and trypsin inhibitors by microwave and conventional heating in soymilk, indicating microwave viability.

Cite This Study

Kubo et al. (2021) studied this question.

synapsesocial.com/papers/6a733eee9ac491c14dc3fbe5 https://doi.org/10.1016/j.lwt.2021.111275

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Implication

Comparative experimental study reveals equivalent inactivation of lipoxygenase and trypsin inhibitors by microwave and conventional heating in soymilk, indicating microwave viability.

Microwave and conventional thermal processing of soymilk: Inactivation kinetics of lipoxygenase and trypsin inhibitors activity

Key Points

Discussion

Implication

Cite This Study

Microwave and conventional thermal processing of soymilk: Inactivation kinetics of lipoxygenase and trypsin inhibitors activity

Key Points

Discussion

Implication

Cite This Study

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