Food storage effects, Changes in light reflectance and Ascorbic acid content of foods during frozen storage

Author(s): Guerrant NB

Abstract

In broccoli blanched by microwave and water methods, frozen and subsequently stored for as long as a year, then cooked, the greatest loss of ascorbic acid was due to the blanching—35 per cent vs. 7 during storage and 10 in cooking. The largest loss of chlorophylls occurred during cooking. In general, conventional blanching in 100 °C. water proved the best method.

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