Overview
Oxalis Extract is derived from plants of the Oxalis genus, commonly known as wood sorrel or sourgrass. These plants are characterized by their distinctive sour taste, attributed to the presence of oxalic acid and other organic acids. The extract is obtained through various methods including water or ethanol extraction, followed by concentration and purification. The extract has been traditionally used in folk medicine and as a food ingredient. Modern applications leverage its natural acidity and potential bioactive properties. It is particularly valued in industries seeking natural alternatives to synthetic acids and flavors.
Physical and Chemical Properties
Oxalis Extract typically appears as a light yellow to brown powder or liquid, depending on the concentration and form. It is soluble in water and ethanol, making it versatile for various formulations. The primary active components include oxalic acid, citric acid, and flavonoids, which contribute to its tart flavor and potential health benefits. The density of liquid forms is approximately 1.1-1.2 g/cm³. The extract's pH is acidic, usually ranging from 2 to 4. Its chemical composition can vary based on the plant species, growing conditions, and extraction method, which influences its solubility, stability, and application suitability.
Main Applications
In the food industry, Oxalis Extract is used as a natural acidulant and flavoring agent, particularly in beverages, confectionery, and sauces. Its tartness makes it a popular choice for products aiming for a natural sour profile. The extract is also incorporated into dietary supplements for its potential antioxidant properties. In cosmetics, Oxalis Extract is valued for its astringent and brightening effects. It is found in toners, serums, and masks targeting oily or acne-prone skin. Its natural origin aligns with the growing consumer demand for clean-label and plant-based ingredients in personal care products.
Safety and Storage
While Oxalis Extract is generally safe for consumption and topical use, its oxalic acid content warrants caution. Excessive intake may lead to kidney stones or other health issues, particularly in susceptible individuals. Proper dosing and formulation are essential to ensure safety. The extract should be stored in a cool, dry place away from direct sunlight to maintain its stability. Liquid forms may require refrigeration to prolong shelf life. Containers should be tightly sealed to prevent moisture absorption or contamination, which could degrade the product's quality over time.
B2B Procurement Guide
When sourcing Oxalis Extract, B2B buyers should prioritize suppliers who provide detailed specifications, including oxalic acid content, purity, and extraction method. Organic certification may be necessary for certain markets, requiring verification of the raw material's origin and processing standards. Price varies based on form (powder vs. liquid), concentration, and volume. Bulk purchases typically offer cost advantages. Buyers should also assess the supplier's quality control measures, such as third-party testing for contaminants, to ensure compliance with industry standards and regulatory requirements.
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