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19 Cards in this Set
- Front
- Back
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Antioxidants |
Substances that inhibit oxidation reactions |
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Def of Antioxidants |
All substances that inhibit oxidation reactions |
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Susceptible to oxidation |
Content - Unsaturated Fatty Acids - Colorants - Bioactives Exposure - Insufficient Packaging - Trapped Oxygen - Enzymes Accelerate oxidation Metals (Fe, Cu) Light Heat |
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Oil Soluble Antioxidants |
BHA BHT TBHQ Propyl Gallate Tocopherols |
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Water Soluble Antioxidants |
Ascorbic acid Erythorbic acid Glucose oxidate/catalase Sulfites |
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Amount of antioxidants used |
Standard level: 0.02% of oil content
PRODUCTS WITH STANDARD OF IDENTITY MAY NOT ALLOW ANTIOXIDANTS |
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Tocopherol |
(Vit E) Alpha tocopherol acetate |
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Ascorbic acid |
(Vit C) Ascorbyl palmitate |
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Citric acid |
Sodium citrate |
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Natural antioxidants |
Tocopherol, Ascorbic Acid, Erythorbic Acid, Citric Acid |
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Extracts with Antioxidant Potential |
Herbal Extracts Fruit Extracts CONSIDER: THEY MAY IMPACT FLAVOR |
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Four major synthetic antioxidants |
BHA BHT Propyl gallate TBHQ Anoxomer also allowed |
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BHA |
Water insoluble Combines with propyl gallate Good for fats, baked goods, color/flavor stability |
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BHT |
Water-Insoluble Good in fats Excellent for nut/nut products, fats/shortenings in baked goods |
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TBHQ |
Slightly Soluble in water Excellent for fry oils, PUFA POOR choice for baked goods Cannot be used with propyl gallate |
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Anoxomer |
used for fry oils/fats and rendering |
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Propyl gallate |
Partial solubility in water, lipid and alcohols Various applications POOR IN EMULSIONS AND FRYING |
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Metals and antioxidants |
Accelerates oxidation Destroy antioxidant power of some antioxidants |
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Chelators |
Restrict mobility of metal ions Common in Citrate and salts of EDTA |
