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1.Product ParametersTert-butylhydroquinone (TBHQ), also known as tert-butylhydroquinone, white crystalline powder with a point of 126.5-128.5 ℃ point of 300 ℃ CAS No.: 1948-33-0, easily soluble in alcohols and waking up to the majority of fats and oils, especially vegetable oils antioxidant function of the most effective. Tertiary butylhydroquinone (t butylhydroquinone), referred to as TBHQ molecular formula for CH1402, molecular weight of 166.22.2.Academic research and developmentLtd.
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TBHQ or PG is also added to the baked oil to improve its stability before and during baking.Based on the actual production needs of pastries and the industry's call, our company applies to expand the scope of use of the food additive tert butylhydroquinone (TBHQ), with an application to expand the scope of use to "07.02 pastries".Therefore, appropriate selection of antioxidants can inhibit the rancidity of oily food production and prolong the storage life of the product. Shelf life is considered an effective way to prevent the product from deteriorating due to oxidation.
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TBHQ has good oil solubility and thermal stability, and does not change in color after heating.They are only suitable for high water content oil and fat foods such as biscuits, instant noodles, artificial milk oil, and mayonnaise. When the oil contains a large amount of metal ions and oxygen, the addition of antioxidants can inhibit the formation of peroxides.Oxidized fish oil is harmful to human health, so it is important to prevent oxidation and improve the stability of fish oil.
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Especially in areas with high room temperature, such as some southern regions of China, the sourness and flavor of instant noodles have become a hot topic of concern for instant noodle production enterprises and consumers. Therefore, appropriate selection of antioxidants can inhibit the rancidity of oily food production and prolong the storage life of the product. Shelf life is considered an effective way to prevent the product from deteriorating due to oxidation.
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Hydroquinone Uses:In medicine, hydroquinone is mainly used in the treatment of pigmented skin diseases, such as chloasma and freckles, etc.
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P-Hydroquinone, known as hydroquinone or hydroquinone in Chinese, is an important organic compound with the chemical formula C6H6O2 and a white crystalline form. This compound has a wide range of applications in the chemical industry, the pharmaceutical field, and the photographic industry. In terms of uses, P-Hydroquinone is mainly used in the production of black and white developers, anthraquinone dyes, azo dyes and so on. In the rubber industry, it is often used as an antioxidant, which helps to extend the service life of rubber products.
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Tert-butylhydroquinone, white crystalline powder its point is 126.5-128.5 ℃ point of 300 ℃ CAS No.: 1948-33-0, easily soluble in alcohols and waking up, most of the fats and oils, especially for vegetable oils antioxidant function is the most effective.
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Tert butyl hydroquinone (TBHQ), also known as tert butyl hydroquinone, is a white crystalline powder with a melting point of 126.5-128.5 ℃ and a boiling point of 300 ℃. Its CAS number is 1948-33-0, and it is easily soluble in ethanol and ether. It is the most effective antioxidant for most oils, especially vegetable oils. T-butylhydroquinone, abbreviated as TBHQ, has a molecular formula of Cl0H1402 and a molecular weight of 166.22. [1] It is a white to light gray crystalline or crystalline powder with a very slight special odor.
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Physical and chemical properties:Density: 1.328g/cm3Melting point: 172-175℃Boiling point: 286℃Flash point: 141.6Refractive index: 1.612Critical temperature: 549.9℃Critical pressure: 7.45MPaIgnition temperature: 516℃Explosion limit (V/V): 15.3%Lower explosion limit (V/V): 1.6 %Property: white needle crystal, discolored by light, with special odorSolubility: soluble in hot water, soluble in cold water, ethanol and ether, slightly soluble in benzene Packaging, storage, transportation:1: 25KG (net weight) kraft paper laminated bag, lined with double polyethylene plastic bag.2: Store in a cool
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Product Characteristics1.Tertiary butylhydroquinone is a highly efficient, low-toxicity antioxidant phenolic antioxidant with excellent antioxidant effect, and with the existing food antioxidants BHA, BHT, PG, etc. Comparison of antioxidant capacity as high as 5-7 times2. synergistic: with other antioxidants (such as BHA, B HT) and chelating agents (such as citric acid, etc.) together, there is a synergistic effect.3. High temperature resistance: it can be applied to high temperature processed food, such as frying food, with good thermal stability.4.
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Fully dissolve and evenly disperse TBHQ in oil, otherwise it will affect the antioxidant effect.Some organic acids and their derivatives can enhance the activity of TBHQ. It is better to mix it with 0010.02% citric acid.Oil antioxidants are a type of substance that can prevent or delay the deterioration of oils or fatty foods, extend their shelf life, and tert butyl hydroquinone (TBHQ) is a high-quality edible oil antioxidant.It is the most effective antioxidant for most oils, especially vegetable oils.
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The US Food and Drug Administration (FDA) allows TBHQ to be used alone or in combination (with BHA or BHT) for oil or fatty foods, including volatile essential oils, with a maximum allowable dosage of 200PPM. It can also be used in non-alcoholic beverages, margarine, and mixed nuts.TBHQ, also known as tert butyl hydroquinone, is a phenolic oil soluble antioxidant. TBHQ has high efficiency and stability, which can extend the shelf life of foods rich in oil and improve food safety.
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TBHQ, also known as tert butyl hydroquinone, is a phenolic oil soluble antioxidant. TBHQ has high efficiency and stability.The US Food and Drug Administration (FDA) allows TBHQ to be used alone or in combination (with BHA or BHT) for oil or fatty foods, including volatile essential oils, with a maximum allowable dosage of 200PPM. The national hygiene standard number is GB276090.4007.The safety of TBHQ has been comprehensively reported, and its acute toxicity belongs to low toxicity level.
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The main mechanism of TBHQ is to provide hydrogen to the free radicals R or RO0 in oils and fats, which can form stable dimers and become relatively stable substances.Temperature is the most important factor affecting oil oxidation, similar to general chemical reactions. As the temperature increases, the automatic oxidation rate of oil in the food increases. For every 10C increase in temperature. In addition, essential fatty acids such as linoleic acid and linolenic acid in oil are also damaged, reducing the nutritional function of the product.
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Product AdvantagesHighly effective antioxidant TBHQ, first synthesized in 1978 by the United States research and development of a low-toxicity, high efficiency, oil-soluble phenolic antioxidants, especially in the use of the food industry, its most important feature is that it does not change the original flavor of the food, so it is favored by the food industry around the world, and then Highly effective antioxidant TBHQ to metal ions such as iron ions or copper ions will not occur flavor and color changes, and the existing food In addition, TBHQ does not change the flavor and color of metal
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It plays an irreplaceable role in the production process of pastry food and is also an important source of energy for consumers. However, the oxidation and rancidity of fats and oils, as well as the production of unpleasant flavors, are a problem that troubles many pastry food producers. They not only cause changes in the appearance, taste, and odor of pastry food, but also affect the length of its shelf life. Adding food antioxidants is the most convenient, feasible, and effective method.Pastry is generally made from grains, oil, sugar, and/or sweeteners, eggs, milk, etc.
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With the development of the food industry, the forms of pastry food have become diverse. The various oils and fats used in pastry are essential ingredients. Oil, with its good crispness and unique flavor, has become one of the three major ingredients in baked goods. It plays an irreplaceable role in the production process of pastry food and is also an important source of energy for consumers. However, the oxidation and rancidity of fats and oils, as well as the production of unpleasant flavors, are a problem that troubles many pastry food producers.
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This may be due to 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.
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( 1)Stability in chemical reactionParylene is more effective in stabilizing the reaction process, but it discolors the resin.
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More than 20 countries have approved the use of TBHQ as a food antioxidant, including China, the United States, Australia, Brazil, etc. The US Food and Drug Administration (FDA) allows TBHQ to be used alone or in combination (with BHA or BHT) for oil or fatty foods, including volatile essential oils, with a maximum allowable dosage of 200PPM. It can also be used in non-alcoholic beverages, margarine, and mixed nuts.China allows TBHQ to be used as a food additive, with a maximum dosage of 0.2g/Kg.
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Vegetable oils and fats antioxidant TBHQ is a highly efficient, low-toxicity antioxidant phenolic antioxidant with excellent antioxidant effect, and the existing food antioxidant BHA, BHT, PG, etc.
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Oil and grease antioxidant TBHQMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0TBHQ is an efficient and safe food antioxidant, which has been approved for use in more than one hundred countries and regions around the world, such as Europe, America, Asia, Australia, Africa, etc.
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Eastman in the United States, Camlin in India, and others. At present, the production of tert butyl hydroquinone both domestically and internationally adopts the tert butylation method of hydroquinone, as shown in Figure 2. According to different classifications of alkylation reagents, it can be divided into tert butyl method, isobutylene method, and MTBE method.
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However, the active chemical properties of oils and fats are prone to deterioration due to oxidation and other factors. Oil antioxidants are a type of substance that can prevent or delay the deterioration of oils or fatty foods, extend their shelf life, and tert butyl hydroquinone (TBHQ) is a high-quality edible oil antioxidant.At present, the production of tert butyl hydroquinone both domestically and internationally adopts the tert butylation method of hydroquinone, as shown in Figure 2.
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