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Ascorbyl palmitate is an ester formed by the esterification of natural ingredients such as ascorbic acid and palmitic acid, fat-soluble vitamin C, and its chemical formula is C22H38O7.
The appearance is white or yellowish-white powder with a slight citrus fragrance.
Ascorbyl palmitate is a highly effective, safe and non-toxic fat-soluble nutrient antioxidant, hardly soluble in water and vegetable oils.
It is authorized as a food additive in the European Union, the United States, Canada, Australia as well as New Zealand.
As we all recognize, ascorbyl palmitate is broken down (with a gastrointestinal process) into ascorbic acid as well as palmitic acid (a saturated fatty acid) prior to being taken in right into the blood.
Ascorbyl palmitate is additionally marketed as “vitamin C ester”.
It is a reliable oxygen scavenger and synergist, and it is analyzed as a healthy, non-toxic, efficient and also safe food additive by the Globe Health Organization (THAT) Food Additives Committee.
Ascorbyl Palmitate is mainly used as a nutrient fortifier and antioxidant preservative, widely used in food and beverage fields.
Oily foods, edible oils, animal and vegetable oils and high-end cosmetics.
Ascorbyl Palmitate can also be used in a variety of infant foods and milk powder, with antioxidant and nutritional enhancement functions.
Used as an antioxidant whitening agent for VE, it has obvious antioxidant effect in grease and high temperature resistance. It is suitable for medicine, health care products, cosmetics, etc.
It is also an antioxidant suitable for baking and frying oil, and its antioxidant effect on lard is better than vegetable oil.
L-ascorbyl palmitate can be used as an antioxidant and as a fat-soluble antioxidant.
It is suitable for use in animal and vegetable oils and various foods.
For example, it has a significant effect on stabilizing soybean oil, cottonseed oil, palm oil, unsaturated fat and hydrogenated vegetable oil.
In addition, it is also used as a food nutrient fortifier (for dosage, refer to vitamin C).
Ascorbyl Palmitate (VC ester for short) has efficient oxygen scavenging and nutritional enhancement functions.
It has all the physiological activities of vitamin C, while overcoming the three shortcomings of vitamin C that are afraid of heat, light, and moisture. The stability is higher than that of vitamin C. It can provide 212g of vitamin C per 500g.
L-Ascorbyl Palmitate (L-AP for short) is a new type of multifunctional food additive. Because of its unique function, it is now widely used as a fat-soluble antioxidant and nutritional fortifier to be added to oils.
Compared with L-ascorbic acid, L-ascorbyl palmitate has a significant increase in antioxidant properties; due to the implantation of palmitic acid groups, it has both hydrophilic ascorbic acid groups and lipophilic palmitic acid groups, thus becoming An excellent surfactant 31.
Ascorbyl Palmitate is amongst the strongest anti-oxidants.
As a result, it can avoid the development of lipid peroxides as well as delay the oxidative degeneration of pet oils, veggie oils, fish, margarine, milk and also carotenoids.
Its impact is far better than that of BHA as well as BHT. The antioxidant effect will certainly be much more significant if used in combination with other anti-oxidants such as vE.
In addition, studies have also found that it can strongly inhibit the DNA synthesis of Ehrlich ascites cancer cells and decompose the cell membrane phospholipids of cancer cells. It is an excellent anti-cancer substance.
It can be predicted that L-ascorbyl palmitate will be active as a new and important multifunctional additive in various fields such as food, cosmetics and medical health products.
In recent years, the application of L-AP has expanded from the field of food, grain and oil to other fields.
For example, it can be used as a stabilizer in medicinal ointments and capsule preparations, added to thermal paper to increase the stability of the paper, added to cosmetics to enhance its efficacy, and has antibacterial activity against Bacillus subtilis.
At present, the production process of L ascorbyl palmitate mainly includes the acid chloride method, the sulfuric acid method and the lipase method.
Among them, the acid chloride method is highly corrosive: the sulfuric acid method has a long reaction time and is accompanied by a large amount of waste acid generation, and the pollution is serious: the lipase method is immature.
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