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Biodiesel antioxidant
TBHQ being more prone to volatilization under high temperature conditions and losing its effectiveness, and under certain conditions, TBHQ may volatilize faster than BHT. Therefore, the application of microcapsule technology can solve this problem under high temperature conditions. Using natural antioxidant tea polyphenols, BHA, BHT, and synergistic agent citric acid as the core material, and food grade natural substance p-cyclodextrin as the wall material, microcapsule antioxidant was prepared using microcapsule technology.
Water soluble antioxidants are soluble in water and mainly used for food oxidation and discoloration. Commonly used are ascorbic acids, isoascorbic acids and their salts, phytic acid, disodium ethylenediaminetetraacetic acid, amino acids, spices, and sugar alcohols.
Antioxidants are substances that prevent or delay food oxidation, improve food stability, and extend storage life.
Food antioxidants can be divided into oil-soluble antioxidants and water-soluble antioxidants based on their solubility properties.Oil soluble antioxidants can be soluble in fats and oils, and have a good antioxidant effect on fats and fatty foods, preventing their oxidation, rancidity, and oil burning. Commonly used include butyl ether, dibutyl light toluene, gallic acid propionic acid vinegar, etc.
TBHQ may volatilize faster than BHT. Therefore, the application of microcapsule technology can solve this problem under high temperature conditions. Using natural antioxidant tea polyphenols, BHA, BHT, and synergistic agent citric acid as the core material, and food grade natural substance p-cyclodextrin as the wall material, microcapsule antioxidant was prepared using microcapsule technology. Microcapsules of antioxidants still have significant antioxidant effects at high frying temperatures.
Research has shown that although the antioxidant effect of TBHQ is unquestionable at room temperature and has good antioxidant effects on both plant and animal fats, its advantages are completely eliminated in high-temperature environments (such as 160 ℃).
