Cited by 30Microbial Inactivation MethodsUltrasound and Cavitation PhenomenaUltrasound and Hyperthermia Applications

Synergistic effect of thermosonication to reduce enzymatic activity in coconut water

Ribeiro, Mariana de Matos, Valdramidis, Vasilis P., Nunes, Cleiton Antônio, de Souza, Vanessa Rios·2017·Innovative Food Science & Emerging Technologies

Abstract

In order to minimize the depreciation of coconut water quality caused by the conventional heat treatment, non-conventional preservation methods have been studied. Ultrasound technology can be suitable as an alternative thermal treatment for several food matrices, due to its efficiency in microbiological and enzymatic inactivation. The objective of this work was to evaluate the effect of the thermosonication to reduce the enzymatic activity in coconut water and optimize the optimal operating parameters (amplitude and time) and corresponding specific acoustic energy required for the complete enzymatic inactivation. Ultrasound presented an additive effect to the heat treatment on the inactivation of the polyphenoloxidase (PPO) and peroxidase (POD). It was verified that from 500 to 550mW/mL a great inactivation of the PPO and POD is achieved, already for a complete inactivation of these enzymes the specific acoustic energy necessary is 655.80mW/mL. It was also verified that the both enzymes should be taken into account for a US process since PPO and POD presented very similar resistance.This work demonstrates the great potential of the use of thermosonication for the processing of heat-sensitive products, such as coconut water. Thought this innovative processing the food industry will be able to reduce the damages caused by the heat and consequently to obtain higher quality products.

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Crossref · 10.1016/j.ifset.2017.04.013

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Authors
Ribeiro, M. D. M., Valdramidis, V. P., Nunes, C. A., & de Souza, V. R.
Affiliations
  • Universidade Federal de Lavras (BR)
  • University of Malta (MT)
Venue
Innovative Food Science & Emerging Technologies
Publisher
Elsevier BV
Published
2017-06
Volume
41
Pages
404-410
ISSN
1466-8564 (ISSN-L)
OpenAlex
W2611381718
Cited by
30
References
42
Citations by year
2026: 2 · 2025: 3 · 2024: 5 · 2023: 4 · 2022: 4 · 2021: 2 · 2020: 7 · 2019: 2 · 2017: 1
FWCI
2.01
Type
journal article
Language
en
Open access
closed
Locations
Innovative Food Science & Emerging Technologies (publishedVersion)
Funders
  • FAPEMIG
  • CNPq
  • CAPES
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Inactivation Methods
  • Physical Sciences › Materials Science › Materials Chemistry › Ultrasound and Cavitation Phenomena
  • Physical Sciences › Engineering › Biomedical Engineering › Ultrasound and Hyperthermia Applications
Keywords
thermosonication, coconut water, enzyme inactivation, polyphenol oxidase, peroxidase, food preservation, enzyme resistance

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