Why popular beverage be kept so long?
 

From labels of beverage ingredients, we can find many food addictives which can preserve products for a long duration. Among addictives, methylparaben (99-76-3) is generally recognized as a popular one which can be used in soy sauce, vinegar, spices, salted, the baked food, beverage, fruits and vegetables, etc. It is allowed to be added into carbon drinks in many countries around the world.
The proper daily intake for each person is within 10 mg per kilometre of body weight. For someone who weighs 60kg, it would not be bad to health if he intake at least 600 mg per day. long-term intake of it may cause bad stomach, skin allergy and female hormone increase.
Compared with other preservatives, such as benzoic acid and sorbic acid, methylparaben (99-76-3) is more resistive to bacteria. First, it is in the structure of phenolic hydroxyl; second, the quantity of methyl paraben is about 10% of benzoic acid and sorbic acid. Thus, it is safe as food ingredients relatively.