Propyl gallate (PG) is also known as propyl gallate, molecular formula C10Hl2O5. relative molecular mass 212.21. China's "Hygienic Standard for the Use of Food Additives" (GB2760-2011) stipulates that propyl gallate can be used in food fats and oils, fried foods, dried fish products, cookies, instant noodles, quick-cooked rice, canned nuts, cured meat products, and its maximum use level is 0.1g/kg.

Phycocyanin is a dark blue powder isolated from Spirulina. It is mainly found in cyanobacteria, red algae, and cryptophytes. phycocyanin is also usually divided into C- and R-phycocyanin, the former being mainly found in cyanobacteria and the latter in red algae, both of which are found in cryptophytes. Its function is to absorb light (orange) energy and transmit light energy.

Natural citric acid is widely distributed in nature and is found in the fruits of plants such as lemons, citrus, and pineapples and in the bones, muscles, and blood of animals. Synthetic citric acid is produced by fermenting sugar, molasses, starch, grapes, and other sugary substances, and can be divided into two types: anhydrous and hydrate. Pure citric acid is a colorless and transparent crystal or white powder, odorless and with an attractive sour taste.

With the growth of China's economic level, our people have crossed from the stage of "having enough to eat" to "having good food", so the quality, taste, and appearance of food are getting more and more attention. Food is the basis of people's survival, and food additives are added to food as substances to increase taste, color, etc., in food has a very important role in the production and daily life of people and is an indispensable and important part of people's life to add color.

Sodium benzoate is an organic substance. Benzoic acid and sodium benzoate are widely used as preservatives in food processing and preservation, while they are used in limited quantities in some foods in some countries. Since benzoic acid can function in the free state of food, it is more effective in strong acid food. What foods are sodium benzoate commonly used as a preservative? The following is a specific description of sodium benzoate produced by our company.