Guangzhou ZIO Chemical Co., Ltd. is one of the leading manufacturers and suppliers of food grade acid regulator malic acid in China. Welcome to buy bulk high quality chemicals in stock here from our factory. For price consultation, contact us.
Product description
Malic acid, also known as 2-hydroxysuccinic acid, has two stereoisomers due to an asymmetric carbon atom in the molecule. In nature, it exists in three forms, namely D-malic acid, L-malic acid and its mixture DL-malic acid. It is a white crystal or crystalline powder. It is highly hygroscopic and easily soluble in water and ethanol. It has a special pleasant sour taste. Malic acid is mainly used in the food industry.
Product applications
1. Food industry application
L-malic acid is an important component of natural juice. Compared with citric acid, it has greater acidity (the sourness is 20% stronger than citric acid), but has a soft taste (high buffer index) and a special aroma. When 50% L-malic acid and 20% citric acid are combined, a strong natural fruit flavor can be presented.
Beverages (various refreshing drinks): Soft drinks prepared with L-malic acid are thirst-quenching and refreshing. They have an apple-sour taste and are close to natural juice.
2. Application in daily chemical industry
L-Zinc malate is used in toothpaste as an anti-plaque agent and anti-calculus agent, in synthetic flavoring formulations, etc.
3. Application in chemical industry
It can be used as one of the synthetic raw materials for descaling agents and fluorescent whitening agents. Added to shellac varnish or other varnishes, it can prevent the paint surface from crusting. The polyester resin and alkyd resin produced with this acid are plastics with special uses.
Product specification
| Items | Specifications |
| Appearance | White granules or white crystalline powder, having a strong acid taste |
| Assay (as C4H6O5) (%) | 99.0~100.5 |
| Special rotation | -0.10~+0.10 |
| Arsenic (mg/kg) | ≤2 |
| Lead (mg/kg) | ≤2 |
| Fumaric acid (%) | ≤1.0 |
| Maleic acid (%) | ≤0.05 |
| Water-insoluble matter (%) | ≤1.0 |
| Residue on ignition (%) | ≤1.0 |
Product pictures
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