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Glucoamylase For Saccharification In Ethanol Production

Posted at: Offers to Sell and Export | Posted on: Sun 29 Aug, 2010 7:24 am | Targeted Countries: USA Product Category: Ethanol [23]
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Products Photos CatalogGlucoamylase Photos Catalog


Boli GA-175 Glucoamylase is made from selected strains of Aspergillus niger using submerged

fermentation, extraction and refining techniques. It has a high conversion rate of starchy substrates into fermentable sugars. It can hydrolyze α-D-1, 4 glucosidic bonds from the non-reducing end of starch one after. It also hydrolyzes the α-D-1, 6 glucoside branch bonds of starch and cleaves the α-1, 3 bonds, releasing glucose. This product is our new glucoamylase that has been especially designed for saccharification in fuel ethanol production.


This product is very thermostable and has a robust glucoamylase activity. Use of this product provides higher ethanol yields, faster fermentations, and lower residual starch levels.

Declared Enzyme: Gluco-amylase

Systematic Name: EC., α-1, 4 - glucan hydrolase glucose

Appearance: Light to dark brown liquid

Activity: 175, 000 U/g (minimum)

Product pH: 3.0 to 5.0

Specific gravity: 1.13 to 1.20 g/ml

[effect of ph]

For maximum activity, the optimal pH for this product is in the range of 3.5 to 4.5.

[effect of temperature]

The optimal temperature range for this product is 58 to 65°C (137 to 149°F).

[applications and advantages]

This product is used 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 ethanol.

It is designed to ensure the following advantages:

�� Increased fermentation rate

�� Increased ethanol yields

�� Efficient starch/dextrin degradation

�� Low residual starch and sugars

�� Improved performance in pre-saccharification processes

�� Less residual starch in distiller’s grains

For ground-grain processing plants using simultaneous saccharification fermentation (SSF), this product may be added directly to the fermenter. For ground-grain dry mill plants and for wet mill plants using a separate presaccharification step prior to fermentation, it may be added to the cooling mash or liquefied starch when the temperature reaches 65 to 60°C (149 to 140°F). Temperatures above 70°C (158°F) can result in loss of activity.

Dosage guidelines

This product is generally added at a level of 0.05 to 0.06% w/w (starch, dry solids basis). 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.


This product is packaged in either 30 kg or 1100 kg plastic containers. Customized packaging is also available upon request.


This product can meet the declared enzyme activity upon arrival at the customer’s plant. It should be stored at cool temperatures in its closed original container, sheltered from direct sunlight. For maximum stability, this product should be stored below 20°C (68°F), preferably refrigerated at 5°C (41°F) for longterm storage.

It has been manufactured for optimum stability. However, all enzymes gradually lose activity over time. Extended storage and/or adverse conditions such as higher temperatures or increased humidity may lead to a higher dosage requirement.


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 Material Safety Data Sheet.

Company Contact:

JiangsuBoli photo
Contact Name: Edna Yang
Company Name: Jiangsu Boli Bioproducts Co., Ltd.
Email: Email
Tel: +86-(0)523-8207-8001 or +86-151-5221-3005
Fax: +86-(0)523-8207-8002
Street Address: 93 Yangzhou Road,
Jiangyan Economic Development Zone,
Jiangsu 225500, PR China
Website: http://www.bolibio.com
Member name: JiangsuBoli
Country: China-CN China
Member Since: 29 August 2010
Total Leads: 4 JiangsuBoli Import Export Business Leads
Business focus: Enzyme, Alpha-amylase, Fungal Alpha-amylase, Glucoamylase
Verify: Safe Import Export Tips
Product Category: Ethanol [23]

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