VC 有很多种化学存在形式，并非只有非结合态的酸一种形态。事实上水溶性的酸和盐在溶液里是一样的，呈现的是酸根离子

来源: 于 2022-10-17 20:00:32 [旧帖] [给我悄悄话] 本文已被阅读：次
  1. E300 ascorbic acid (approved for use as a food additive in the EU,[109] U.S.[110] and Australia and New Zealand)[111]
  2. E301 sodium ascorbate (approved for use as a food additive in the EU,[109] U.S.[112] and Australia and New Zealand)[111]
  3. E302 calcium ascorbate (approved for use as a food additive in the EU,[109] U.S.[110] and Australia and New Zealand)[111]
  4. E303 potassium ascorbate (approved in Australia and New Zealand,[111] but not in U.S.)
  5. E304 fatty acid esters of ascorbic acid such as ascorbyl palmitate (approved for use as a food additive in the EU,[109] U.S.[110] and Australia and New Zealand)[111]

The stereoisomers of Vitamin C have a similar effect in food despite their lack of efficacy in humans. They include erythorbic acid and its sodium salt (E315, E316).[109]