Product Name: Food Grade Tannic Acid
Alias: Tannin, Tannic acid, Chinese gallnut tannic acid
Molecular Formula: C76H52O46
Molecular Weight: 1701.18
Properties: Pale yellow or light brown amorphous powder; oxidizes and darkens when exposed to air; odorless with astringent taste. Soluble in water, ethanol, acetone, and ethyl acetate.
Tannic Acid Molecular Structure:
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Specification |
Food Grade |
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Standard |
FCC-IV |
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Content |
≥93% |
≥96% |
≥98% |
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Loss on Drying |
≤9% |
≤9% |
≤9% |
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Water Insolubles |
≤0.2% |
≤0.1% |
≤0.1% |
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Residue on Ignition |
≤0.1% |
≤0.1% |
≤0.1% |
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Heavy Metals |
20 ppm |
15 ppm |
10 ppm |
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Arsenic |
<3 ppm |
<3 ppm |
<3 ppm |
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Lead |
<5 ppm |
<5 ppm |
<5 ppm |
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Mercury |
<1 ppm |
<1 ppm |
<1 ppm |
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Gallic Acid |
≤4% |
≤2.5% |
≤0.75% |
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Production Capacity |
600 T/Y |
300 T/Y |
100 T/Y |
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Packaging |
Fiberboard drum, 25 kg/drum |
Fiberboard drum, 25 kg/drum |
Fiberboard drum, 25 kg/drum |
Quality Specifications: Complies with FDA “Food Chemicals Codex” 5th Edition and US Food Chemicals Codex standards; US Food FCC-IV standard.
Storage: Store in a sealed container, protected from moisture and light
Packaging: External fiberboard drum with internal plastic bag, net weight 25 kg per drum.
Food Additive: In the food industry, tannic acid is commonly used as a flavor enhancer, color stabilizer, and clarifying agent.
For example, in beer and wine production, it serves as a clarifying agent to effectively remove suspended particles and impurities, improving beverage clarity and stability. Additionally, tannic acid enhances food taste and flavor, improving overall product quality.
