抗坏血酸是什么就是俗称的维生素C.维生素C水果产品，如桃罐头的另一个名字有助于防止当它的切割和暴露在空气中变暗。这是你很可能用来当你切了苹果，例如看到。
抗坏血酸是水溶性的维生素（维生素C）这是天然存在于食物中，是一种强有力的抗氧化剂，可以对抗细菌。维生素C有各种各样的人体不可缺少的角色，包括战斗感染，解毒和您的组织中形成胶原蛋白，牙齿，骨骼和结缔组织，皮肤和毛细血管。由于人类不能制造维生素C，它必须是通过食物消耗或补充说，Mayo Clinic。
阅读更多：OK，但什么是抗氧化剂真的吗？
抗坏血酸使用在食品工业
你听说过意见，以挤在苹果切片一些柠檬汁，以防止他们在一个果盘去褐色？这样做的原因是在柠檬天然抗坏血酸防腐剂有助于保持水果，如苹果，以及蔬菜和肉类的自然颜色，它们暴露于氧气后，根据犹他州立大学。
在食品工业中抗坏血酸的用途是由于这样的事实，这是一个有效的抗氧化剂。抗氧化剂是一个键入防腐剂帮助的发生是由于细菌，真菌，酵母，霉菌和空气曝光延迟食物腐坏。该FDAsays that antioxidants also prevent fats and oils in foods from becoming rancid and tasting bad as well as preventing fresh fruit from turning brown. Vitamin C preservative is most commonly found in products such as:
- 蜜饯和果冻
- 腌肉
- 谷物
- Beverages
- 焙烤食品
- 油和人造黄油
- 敷料
- 水果和蔬菜
- 休闲食品
Another use for ascorbic acid is to replace lost nutrients from food processing, the FDA notes. Vitamin C may be added to products such as flours, cereals, margarine, milk, fruit beverages, energy bars, instant breakfast drinks, bread, macaroni and rice, among others.
该世界卫生组织（WHO）表示，与铁和维生素C的牛奶设防有助于减少婴幼儿缺铁。这是因为维生素C具有铁的吸收有帮助，预防缺铁性贫血。
抗坏血酸安全
美国食品药物管理局规定所有食品添加剂并严格监控他们。多数民众赞成添加到食品中每种物质必须经过严格的规定，并进行持续的安全审查。
抗坏血酸可能containin产品上市g only natural ingredients since it is often derived from natural sources such as an orange. It may also be produced in a laboratory and therefore be artificially manufactured to be more economical and consistent in quality. Whether they are derived from natural ingredients or not, all food additives undergo the same safety protocols, says the FDA.
一个2016年2月发表的文章中Italian Journal of Food Safety说，抗坏血酸已被证明无毒性，并有助于稳定在食品其他重要元素，如维生素A，E，叶酸和硫胺素。
Although ascorbic acid is recognized as safe, the oral and long-term use of vitamin C supplements could cause interactions for people taking certain types of medication or who have particular health concerns. Speak to your doctor if you are unsure whether or not your prescription or medical condition could interact with ascorbic acid.
阅读更多：食品中防腐剂的有害影响。