Difference between food additives and preservatives: – A ditives and preservatives are generally used in the context of food. Commonly we read on the labels of various products that contain this or that preservative and additive. But if you think both are the same; you are in error, because here we are going to explain the difference between food additives and preservatives.
Difference between food additives and preservatives
Additives are substances that are added to foods in order to affect their characteristics: odor, texture, taste … above all, it is common that they are used to improve or enhance this last feature. Although sometimes also used to improve the appearance of products.
Additives can be classified into two types: direct and indirect. Direct additives are those that are added directly to food and indirect are those to which food is exposed; but are not intensively aggregated.
Thus, for example, antioxidants are used as additives to prevent changes in taste, deterioration and color loss caused by exposure to air. E mulsionantes are used to keep water and oil mixed. Polysorbates 60 and 80 are used in some types of coffee and artificial cream. Also, many additive substances are also used as thickening agents.
They are substances that are thrown to the foods with the objective to preserve them and to keep them of the microorganisms present in the same, so that they increase the time that said food takes to expire or to expire. For example, salt has been used as a preservative for a long time. It kills bacteria that can be harmful to the substance.
Preservatives can be obtained from natural sources such as the aforementioned salt and also sugar, vinegar and citrus juice … or they can be synthetic. Most condoms focus on reducing or preventing the growth of fungus, mold and yeast. In conclusion, preservatives seek to externder the shelf life of food.
Key differences between preservatives and additives
Preservatives are substances that are added to foods in order to preserve them for a longer time, while the additives are used mostly to give or modify the taste and color of foodstuffs.
Examples of preservatives: benzoic acid, sodium nitrate, sodium.
Examples of additives: aspartame, red 40, yellow 5.