Alginic Acid: Properties, Applications & Wholesale Supplier | Lanneret Biochemical

Alginic acid is the foundational raw material for all alginate salts, including sodium alginate, calcium alginate, potassium alginate, magnesium alginate, and ammonium alginate. Derived exclusively from brown seaweed, it is a natural, linear polysaccharide with unique hydrophilic and gelling properties, serving as a critical intermediate and standalone ingredient across pharmaceutical, food, and industrial industries.

The production of alginic acid involves careful extraction from high-quality brown seaweed, followed by purification, filtration, and drying processes to achieve a fine, white to cream-colored powder with high purity. Unlike its salt derivatives, alginic acid is insoluble in water but swells significantly in aqueous solutions, making it ideal for specific applications where controlled water absorption and gel formation are required.

Primary applications of alginic acid include pharmaceutical and cosmetic formulations as a disintegrant, thickener, and emulsifier; food industry as a dietary fiber and gelling agent; and industrial sectors as a raw material for producing various alginate salts. It is also used in medical dressings for its moisture-retaining and biocompatible properties, supporting wound healing and skin care applications.

Qingdao Lanneret Biochemical produces premium-grade alginic acid with strict control over purity, particle size, and moisture content. Our alginic acid is manufactured under standardized production lines, ensuring batch-to-batch consistency and compliance with industrial and pharma-grade requirements. As a vertically integrated alginate manufacturer, we control the entire production chain from seaweed sourcing to finished alginic acid, allowing us to offer competitive wholesale pricing and stable supply for global clients.

Whether you need alginic acid for in-house production of alginate salts or direct industrial use, Lanneret Biochemical provides flexible packaging, custom specifications, and full technical documentation to support your quality compliance and production needs.