Zhangjiajie jiurui biochemistry Co., Ltd.--Tech Grade Tannic Acid|Dyes Grade Tannic Acid|Pharmaceutical Grade Tannic Acid|Food Grade Tannic Acid|Pyrogallic Acid
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CAS NO:1401-55-4
Brew type edible tannin from Chinese gall in pure physical methods is a high pure tannin
it is suitable for beer brewing, storage at stages and before filtering.
alkaline, sulfur and hydrophobic proteins molecules can be selectively adsorbed to reduce aldehyde substance in beer,
Strengthen beer antioxidation ability..
Improve non-biological stability and flavor stability of beer
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Brewing tannin of beer (brew)
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Main components & characteristics:
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Appearance:
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light yellow granular powder
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Purity:
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(g/100g dry, Assay)>97%
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Gallic acid:
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<0.4%
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Heavy metals:
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<15ppm
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Loss on dry :
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<10%
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Chroma:
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4-6EBC
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PH(1:10 Alcohol solution):
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4-5
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Soluble in water:
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Clear and transparent, without precipitation impurities
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Gum experiment:
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Qualified
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Dextrin experiment:
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Qualified
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