Kinetics of Ascorbic Acid Degradation in Green Asparagus during Heat Processing

6533b7d2fe1ef96bd125e2c4

RESEARCH PRODUCT

Kinetics of Ascorbic Acid Degradation in Green Asparagus during Heat Processing

A. Frígola María J. Esteve L. Martorell Carmen Rodrigo

subject

Hot Temperature biology Food Handling Kinetics Alcohol Ascorbic Acid Activation energy Ascorbic acid biology.organism_classification Microbiology Kinetics chemistry.chemical_compound chemistry Biochemistry Liliaceae Degradation (geology)Z-value Asparagus Legume Food Science Nuclear chemistry

description

The effect of heating on ascorbic acid in green asparagus during a simulated retort operation was investigated. The asparagus was heated in trays of ethylene-vinyl alcohol copolymer for selected time intervals at four temperatures ranging from 110 to 125 degrees C. It was found that the rate of degradation followed first-order kinetics. Kinetic parameters were obtained by using two least squares methods. The activation energy and z value were 35 kcal/mol and 20 degrees C, respectively.

year	journal	country	edition	language
1998-11-26	Journal of Food Protection

https://doi.org/10.4315/0362-028x-61.11.1518

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