Food additive[edit]The traditional method for analyzing ascorbic acid content is titration with oxidizing agents, and various methods have been developed.The popular iodometric method uses iodine in the presence of a starch indicator. Iodine is reduced by ascorbic acid, and when

Zinc is an important nutrient for maintaining health, avoiding the increase of foreign substances and building a healthy physique.

Although vitamins are one of the nutrients that the body needs to maintain normal metabolism and function, the human body needs only a small amount of vitamins every day, and most of them can be obtained from food.

Vitamins are essential nutrients for the human body, so many people feel that they should take more supplements if they have nothing to do.

The benefits of "vitamin C" and "zinc"​ must be familiar to everyone. Especially the recent severe challenges of the living environment have made everyone start to face up to the strengthening methods of protection.