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Decomposition Kinetics of 6-O-Monoacyl Ascorbate in Air
2008
Food science and technology research
6-O-Monoacyl ascorbates were synthesized by the condensation of L-ascorbic acid with caprylic, capric, lauric, myristic or palmitic acid using immobilized lipase in acetone. The decomposition processes of the acyl ascorbates in air were measured, and the decomposition kinetics were analyzed based on the Weibull equation. The rate constant, k, increased with increasing relative humidity and temperature for all acyl ascorbates; k also depended on acyl chain length, as the decomposition rates of
doi:10.3136/fstr.14.139
fatcat:yfghwjj4jfbjlk63mdtkrcwsam