Recently, food-processing companies have found that salicylates can also be used as flavor additives for foods.
最近，食品加工公司发现水杨酸盐还可以用作食品的风味添加剂。
2
Although many foods are naturally rich in salicylates, for the past several decades, food-processing companies have also been adding salicylates to foods as preservatives.
尽管许多食品天然富含水杨酸盐，但在过去几十年里，食品加工公司也一直在食品中添加水杨酸盐作为防腐剂。
3
Nitrates are used as preservatives in foodprocessing.