One of the most important benefits of food-grade citric acid is its ability to chelate metal ions, particularly iron and copper, which are known to catalyze oxidation reactions in fats and oils. By binding to these metal ions, citric acid helps to prevent the oxidative breakdown of fats, a process that leads to rancidity. This is especially crucial in oils, as rancidity can compromise both the flavor and nutritional value of the product. In products like cooking oils, salad dressings, and mayonnaise, citric acid effectively extends shelf life by preserving the freshness and preventing the unpleasant off-flavors that result from oxidation.
Citric acid's chelation properties are equally beneficial in dairy products, where the prevention of oxidation is key to maintaining flavor, texture, and color. In dairy items like butter, cheese, and milk-based beverages, exposure to air and light can accelerate the oxidation of fats, leading to off-flavors and the degradation of quality. By binding to metal ions, citric acid helps preserve the delicate balance of fats and oils in these products, ensuring they retain their fresh, creamy taste and smooth texture throughout their shelf life. This ability to delay oxidation also prevents discoloration, maintaining the visual appeal of dairy products on store shelves.
Processed meats such as sausages, hams, and deli products are highly susceptible to oxidation, which can lead to both spoilage and the formation of potentially harmful compounds. Citric acid, with its chelating action, plays a critical role in slowing down the oxidation process in these meats by binding to metals that would otherwise accelerate rancidity. This not only helps maintain the product's flavor and texture but also supports food safety by inhibiting the development of off-tastes and potentially harmful compounds. In addition, the ability of citric acid to preserve the color of processed meats ensures that products like bacon and salami retain their appetizing, fresh appearance over time.
Testing Item |
Citric Acid Anhydrous |
Citric Acid Monohydrate |
Assay/% |
99.5~100.5 |
99.5~101.5 |
Water/% |
≤0.5 |
≤7.5~9 |
Sulphated Ash
(Residue On Ignition)/% |
≤0.05 |
≤0.05 |
Sulphate/% |
≤0.01 |
≤0.015 |
Oxalate/% |
≤0.01 |
≤0.01 |
Calcium(Ca)/% |
≤0.02 |
≤0.02 |
Iron(Fe)/% |
≤0.0005 |
≤0.0005 |
Chloride(Cl)/% |
≤0.005 |
≤0.005 |
Readily Carbureted
Substances/% |
K≤1.0 |
K≤1.0 |
Arsenic(As)/% |
≤0.0001 |
≤0.0001 |
Heavy metal(Pb)/% |
≤0.00005 |
≤0.00005 |
Note: Special requirements of particle size should be negotiated by both suppliers and customers |
1. who are we?
We are based in Jiangsu, China, start from 2013,sell to Western Europe(00.00%),Southern
Europe(00.00%),Africa(00.00%),Oceania(00.00%),Mid East(00.00%),South America(00.00%),Southeast Asia(00.00%),North
America(00.00%),Eastern Europe(00.00%),Central America(00.00%),Northern Europe(00.00%),South Asia(00.00%),Eastern Asia(00.00%).
There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Calcium Dihydrogen Phosphate,Amino Acids,Vitamins,Minerals,Feed Phosphate
4. why should you buy from us not from other suppliers?
FAMI-QS,ISO,HACCP,SGS,CIQ certified ,Europe patent approved.
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