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Enzymes for Alcohol & Brewing

Glucoamylase SUPERMEI GD

Food Grade high concentration glucoamylase (activity 300,000 U/ml) for alcohol and brewing.

Product Specifications


Description

SUPERMEI GD is a robust glucoamylase produced from selected strains of Aspergillus niger through submerged fermentation, extraction and refining processes. It has a high conversion rate from starch substrates to fermentable sugars.  SUPERMEI GD can hydrolyze α-D-1, 4 glucosidic bonds from the non-reducing end of starch one after another. It can also hydrolyze the α-D-1, 6 glucoside branch bonds of starch and cleave the α-1, 3 bonds to release glucose.

Use of SUPERMEI GD in the production of alcohol and brewing enables faster fermentation, more alcohol yields and less starch residuals.


Product Characteristics

Declared Enzyme: Glucoamylase

Systematic Name: EC 3.2.1.3, 1,4-alpha-D-glucan glucohydrolase

Appearance: Yellow brown liquid

 Activity: 300,000 U/ml (minimum)

Product pH: 3.0 to 5.0

Specific gravity: 1.20 g/ml


EFFECT OF PH

SUPERMEI GD can work at pH from 3.0 to 5.5 with its optimal pH range from 3.5 to 4.5. See Figure 1.


EFFECT OF TEMPERATURE

SUPERMEI GD can work at temperatures from 30 to 65°C. For maximum activity, its optimal temperature

range is from 55 to 60°C. See Figure 2.



Application and Benefits

SUPERMEI GD is capable to saccharify liquified mash from various sources including corn, milo, barley, wheat, rice, potatoes and tapioca. The resultant glucose product is fermented by yeast or another appropriate microorganism to yield alcohol.

SUPERMEI GD has been designed to ensure the following benefits: 

1) Increased fermentation rate

2) Increased alcohol yields

3) Efficient starch/dextrin degradation

4) Less residual starch in distiller’s grains

5) Improved performance in pre-saccharification processes


For ground-grain processing plants using simultaneous saccharification fermentation (SSF), SUPERMEI GD may be added directly to the fermenter. For ground-grain dry mill plants and for wet mill plants using a separate pre-saccharification step prior to fermentation, SUPERMEI GD may be added to the cooling mash or liquefied starch when the temperature reaches 55 to 60°C.

Temperatures above 65°C can result in loss of activity.


Dosage Guidelines

SUPERMEI GD is generally added at a level of 0.35 to 0.45kg/TDS. The actual enzyme

requirement is dependent on the raw materials, temperature, reaction time, and pH of the individual plant saccharification/fermentation process, and its desired result.


Packaging, Storage &   Shelf-life

²  Standard packaging is 25kg, 30kg plastic drums or 1125kg IBC totes. Customized packaging is

available upon request.

²  Typical shelf-life is six months provided it is stored below 25°C in its original packaging, sealed

and unopened, protected from direct sunlight. Its shelf-life will be eighteen months if this product

is stored properly at 0∼10°C. Prolonged storage and/or adverse conditions such as higher

temperatures may lead to a higher dosage requirement, therefore should be avoided.


Safe Handling of Enzymes

Inhalation of enzyme dust and mists should be avoided. In case of contact with the skin or eyes, promptly rinse with water for at least 15 minutes. For detailed handling information, please refer to the Material Safety Data Sheet.


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