potassium sorbate, potassium salt of sorbic acid in glass petri dish on blue, selective focus. food additive e202. potassium

potassium sorbate texture salt sorbic acid preservative chemical powder white pellets soluble food additive lab petri dish glass bowl number e202 addition prevent mold wine stabilizer microbes increase shelf life replacement paraben pathogenic wooden plate fermentation agent inorganic antimicrobial additives oblong granules blue pharmaceutical compound chemistry substance science selective focus used inhibit molds yeasts foods focus e202 foods