作者
Maria Gonnella, Miriana Durante, Sofia Caretto, Massimiliano D'Imperio, Massimiliano Renna
发表日期
2018/6/1
期刊
LWT
卷号
92
页码范围
161-168
出版商
Academic Press
简介
Asparagus represents a nutritious and refined food being very popular to consumers. The effects on the quality of spears cooked by conventional (boiling, steaming and microwaving) and different sous vide (using hot water or microwave) methods were analyzed. Physical, chemical and sensory traits were compared. Microwaving caused the largest weight change, the highest dry weight increase and the highest Total Color Difference in cooked samples compared to raw asparagus spears. Sous vide-microwaving showed an increase in greenness (the highest value of h°), better than the raw spears, and the lowest reduction in chlorophyll contents. After sous vide microwawing violaxanthin increased by about 42%, while after steaming neoaxanthin decreased by about 57%. Following sensory analysis, all cooked samples generally resulted acceptable (scores > 5 in a 1–9 hedonic scale), nevertheless sous vide …
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