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When citric acid is combined with antioxidants, the higher the content of these impurities in the oil, the more obvious the synergistic effect.
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The seed method first completely dissolves TBHQ in a small amount of oil or 95% alcohol solution, and prepares 5-10% TBHQ oil or alcohol solution. Then, directly or with a measuring device, it is added to the fat or oil and stirred evenly.The pumping method injects the TBHQ concentrated solution prepared by the seed method into a pipeline with a fixed flow rate and flow rate of fat or oil that needs to be stable at a specified proportion through a stainless steel quantitative pump.
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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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In the United States and China, the maximum allowable dosage of TBHQ in food is 200ppm,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.Both domestic and foreign patent literature have reported this process, such as using toluene or xylene as solvents, the selectivity and yield of this reaction are relatively ideal.
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Product FeaturesThe antioxidant effect of this product is very ideal, 5~7 times stronger than BHA, BHT, PG. It is suitable for animal and vegetable fats and fat-rich foods, especially for vegetable oils, and is the preferred antioxidant for salad oil, blending oil and high cooking oil. It can effectively delay the oxidation of fats and oils, improve the stability of foods, and significantly extend the shelf life of fats and fat-rich foods.
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Possible reaction pathways of 2,5-di-tert-butyl-hydroquinone (2,5-DTBHQ).Valgimigli et al. proposed a mechanism wherein semiquinone (2) reacts with molecular oxygen to produce 2,5-di-tert-butyl-1,4-benzoquinone (2,5-DTBBQ) and hydroperoxyl radical (HOO∙). The semiquinone (2) terminates a second propagation chain via either hydrogen abstraction (Reaction II) or addition reaction (Reaction IV) and these reaction pathways play a very critical role in the inhibition process.
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The seed method first completely dissolves TBHQ in a small amount of oil or 95% alcohol solution, and prepares 5-10% TBHQ oil or alcohol solution. One dose is versatile and can effectively inhibit the growth of bacteria and molds. Within the scope of added applications, it can inhibit the growth of almost all bacteria and yeast, and has a good inhibitory effect on mold harmful to human health such as Aspergillus flavus.The antioxidant effect of this product is very ideal, 5-7 times stronger than BHA, BHT, and PG.
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At high temperatures, a series of complex chemical reactions such as oxidation, decomposition, polymerization, and hydrolysis are prone to occur, resulting in a rapid increase in the acid value, peroxide value, and carbon base value of roasted foods. In the later stage of storage and sales, unpleasant odors are easily produced. The use of TBHQ can effectively delay oil oxidation in pastry foods.Baked pastry foods require a higher temperature during the baking process, such as cakes and bread, which require a baking temperature of 160C~190C.
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In the study, it was also found that the antioxidant effect of TBHQ is 5-7 times that of other antioxidants, because their stability is different after reacting with peroxides. In addition, TBHQ also has characteristics such as high temperature resistance, oil solubility, and antibacterial properties, which are widely used in edible oils, fried foods, etc.
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Product Parameters：Lard antioxidant TBHQ is white to light grey crystalline or crystalline powder, with very slight special smell, soluble in ethanol, acetic acid, ethyl alcohol, isopropyl alcohol, ethyl alcohol and oil, etc., a few are insoluble in water (25 ℃ <1%: 95 ℃ ﹤ 5%) TBHQ is a kind of oil-soluble antioxidant, which can prevent or prolong the oxidation of oil and fat deterioration in food.Product Applications：At present, the most commonly used antioxidants in fats and oils and their products are BHA, BHT, PG, TBHQ and tocopherol.
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2-tert-butylhydroquinone is white to light grey crystalline or crystalline powder, with very slight special smell, soluble in ethanol, acetic acid, ethyl alcohol, isopropyl alcohol, ethyl alcohol and oil, etc., a few are insoluble in water (25 ℃ <1%: 95 ℃ <5%) TBHQ is a kind of oil-soluble antioxidant, which can prevent or prolong the oxidation of the fat and oil deterioration in food.2.Product Characteristics2-Tert-butylhydroquinone is a highly efficient, low-toxic antioxidant phenolic antioxidant with excellent antioxidant effect, and the existing food antioxidants BHA, BHT, PG, etc.
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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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Pastry and bread stored in the air for a long time are prone to spoilage due to oxidation of their lipid components. The oxidation of oil components not only causes food discoloration, discoloration, destruction of vitamin A, D, E, and other components, but also produces odor.
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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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The main cause of food deterioration during processing, transportation and storage is lipid oxidation, and the addition of antioxidants is the main means of delaying the oxidation of oil and fat products. Antioxidant is a free radical trapping agent, when it plays an antioxidant role, it can provide active hydrogen to combine with free radicals generated during oxidation of fats and oils, so that the free radicals are converted into stable compounds, blocking the free radical chain reaction, inhibiting lipid peroxidation, slowing down the oxidation of fats and oils and deterioration.
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TBHQ (Tertiary Butylhydroquinone) is an oil-soluble antioxidant with excellent antioxidant properties.Broiler feed antioxidant TBHQ can prevent or delay oxidative deterioration of fats and oils in food products, and effectively prolong the shelf life of food products. Its antioxidant capacity is superior to other common antioxidants such as propyl gallate (PG), 2,6-di-tert-butyl-p-cresol (BHT) and tert-butyl-p-hydroxyanisole (BHA).
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1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-02.Product AdvantagesIn the feed industry, there is a widely used antioxidant for ethoxyquinoline, on December 23, 2022 by the European Union formally banned, then terbutylhydroquinone, when the feed industry can completely replace the market, the market application of the forefront of very optimistic.As an antioxidant, it must meet the following requirements as much as possible: no harm to the human body; There should be no bad taste, smell, or color; Low concentration can be applied; If added to oil, it i
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If you want to prolong the preservation time of animal fats and oils, you can't do without the animal fat antioxidant TBHQ.Let me introduce you to it!Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-0 2.Product CharacteristicsAnimal fat antioxidant TBHQ can be applied to high-temperature processed foods, such as fried foods, with good heat stability.TBHQ antioxidant for animal fats and oils has fat solubility and can be dissolved in animal and vegetable fats and oils, which makes it easy to add and use, thus improving the warranty time of fats and
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Industrial antioxidant 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.
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Researchers have been committed to exploring efficient antioxidant technologies and developing safe products. The successful development and widespread use of antioxidants such as TBHQ have solved the problem of rancidity in oil-rich foods. TBHQ, BHA, BHT, PG, etc.
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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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1.Product ParametersMolecular formula: C10H14O2Molecular weight: 166.22CAS No.: 1948-33-02.Product AdvantagesIn the production of PVC plastic film in the process of often appear some like 'fish-eye' things, the so-called 'fish-eye' in fact is the PVC plastic in the plasticization process fails to plasticize the look similar to the fish's eyes of the spots or transparent hard particles, PVC anti-fish-eye agent TBHQ is to solve this problem!3.Cooperative enterprisesWith the unique and excellent synthesis process, high quality and high purity products, Shandong BEST Food Techn
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Adding citric acid has a certain synergistic effect on TBHQ antioxidant activity.
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When the oil contains a large amount of metal ions and oxygen, the addition of antioxidants can inhibit the formation of peroxides. When citric acid is combined with antioxidants, the higher the content of these impurities in the oil, the more obvious the synergistic effect. TBHQ has good oil solubility and thermal stability, and does not change in color after heating.The process of adding oil is complex, and it is easy to precipitate or oxidize during placement. Therefore, they should not be used as advanced oil antioxidants.
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