Summary
This review, published in Food Control, examines the nutritional impact of blanching and freezing on vitamin content in vegetables. It likely synthesises available experimental data on water-soluble and heat-sensitive vitamins, exploring how processing variables such as blanching temperature, duration, and method influence nutrient retention. The paper provides a reference point for food technologists and processors seeking to minimise nutrient losses during preservation.
UK applicability
The findings are broadly applicable to the UK context, where frozen vegetables are a significant component of the food supply chain; UK processors and retailers can use such data to optimise blanching protocols in line with nutrient retention goals.
Key measures
Vitamin retention (% of original content); vitamin C, thiamine, riboflavin, and folate concentrations; effect of blanching method (water, steam) and freezing conditions on nutrient loss
Outcomes reported
The study examined the extent to which key vitamins — likely including vitamin C, thiamine, and folate — are retained or lost during blanching and subsequent freezing of vegetables, reporting retention rates under varying processing conditions.
Topic tags
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