Blanching reduced the vitamin C content, but it limits further decay during storage at frozen condition (Lee and Kader 2000). Most of the vitamin C stability during storage was performed at a specific temperature (i.e. usually around room temperature) with varied moisture content(s). 25 сент. 2013 г.
Does freezing degrade vitamin C?
the impact of processing and storage, were studied. Depending on the vegetable type, prefreezing operations caused a 19.1–51.5% decrease in the initial vitamin C levels. The freezing process alone did not influence the vitamin levels except in the cases of green beans and spinach.
Can vitamin C be frozen?
Vitamin C: While some amounts of vitamin C are lost in the freezing process, the percentages are much less than those lost during canning. If you don't have access to fresh vitamin C rich foods throughout the winter, frozen foods are a great way to get that important nutrient.
Does freezing denature vitamins?
No. In meat and poultry products, there is little change in nutrient value during freezer storage.
Does freezing lose vitamins?
Generally, frozen foods retain their vitamins and minerals and there is no change to the carbohydrate, protein or fat content. In some cases, frozen foods have more vitamins and minerals compared to fresh because fresh foods lose vitamins and minerals over time while freezing preserves nutrients.
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