Malic Acid 5%

Color: Appears as an off-white fine powder, with a uniform hue and no obvious color spots or impurities.
Shelf Life: 24 months when stored correctly. It should be kept in a cool, dry, and well-ventilated environment, sealed tightly to avoid moisture absorption, exposure to direct sunlight, and contact with incompatible substances (e.g., strong alkalis) that may affect stability.
Detection Method: High-Performance Liquid Chromatography (HPLC). This method is used for quantitative analysis of the malic acid content and qualitative confirmation of the component. It separates malic acid from other impurities in the sample through a chromatographic column, then detects and calculates its content by comparing the sample’s chromatographic peaks with standard malic acid solutions, ensuring product accuracy and quality compliance.

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Product Name	Malic Acid 5%
Plant Source	Made from fresh apples through a series of processes including juicing, sterilization, fermentation, impurity removal, liquid inclusion, and drying.
Alternative Name	Apple Extract
Active Ingredients	Contains a variety of organic acids, enzymes, vitamins (such as vitamin C, B vitamins, etc.), minerals (such as potassium, calcium, magnesium, etc.), as well as pectin and polyphenols.
Product Content	5% (calculated based on the content of active ingredients in apple cider vinegar, usually referring to a total acid content of 5%)
Product Properties	Appears as an off-white to light yellow fine powder; the color may slightly darken after long-term storage. It has good water solubility, and the aqueous solution is a transparent light yellow. It has a fresh apple aroma and the unique vinegar aroma of apple cider vinegar, with moderate acidity.
Testing Method	HPLC (High Performance Liquid Chromatography)
Storage Method	Sealed, stored in a cool and dry place, protected from moisture and moths.
Product Packaging	25 kg/cardboard drum; 1 kg/aluminum foil bag; or customized according to customer requirements.