Vitamin C begins to denature with exposure to temperatures as low as 86 degrees Fahrenheit, according to a study done by N.C. Igwemmar, S.A. Kolawole, I.A.
Does vitamin C degrade with cold temperature?
Vitamin C and heat Vitamin C begins to denature at temperatures as low as 86 °F, according to a study in the International Journal of Scientific and Technology Research.
Does cold destroy vitamins?
Frozen fruits and vegetables retain their nutrients almost as well as their fresh counterparts, provided they are quick-frozen, packed in airtight containers and kept frozen during shipping and at the market. Any kind of processing destroys some vitamins.
Does temperature affect vitamin C?
Vitamin C is a water-soluble and temperature-sensitive vitamin, so is easily degraded during cooking, and elevated temperatures and long cooking times have been found to cause particularly severe losses of vitamin C [12].
Does freezing remove vitamin C?
That being said, some research also suggests that frozen produce may retain its antioxidant activity despite the loss of water-soluble vitamins ( 6 , 7 ). Bottom Line: Blanching results in a loss of antioxidants, B-vitamins and vitamin C. However, nutrient levels remain fairly stable after freezing.
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