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Qingdao Linguang Biotechnology Co., Ltd. was established in 2010. It is a high-tech enterprise specializing in the research and development, production, sales and service of sodium carboxymethylcellulose (CMC) and polyanionic cellulose (PAC). It has advanced production Equipment, sophisticated testing instruments, professional technical personnel, covering an area of 20 acres, with an annual production capacity of more than 20,000 tons. The company passed ISO9001 and ISO14001 certification in 2012.
CMC (Sodium Carboxymethylcellulose) is the universal thickener for industrial applications and various tasks.
Linguang CMC is well known for premium quality grades since decades.
Due to the big series of different CMC derivates we cannot present all CMC types here.
Please do not hesitate to request our help to find the proper Carboxymethylcellulose for your application.
Range of application:
Food and cosmetic industry
Building, Textile, Ceramic, Adhesives, Paints,
Drilling Fluids for water well drilling, horizontal directional drilling, oil and gas drilling, mining, etc.
It helps to provide some information on:
Active Content
Viscosity
Degree of substitution
Range of application
Available are:
Technical qualities
Purified qualities
Carboxymethyl Cellulose (CMC)
Also known as Cellulose Gum
What is Carboxymethyl Cellulose?
Carboxymethyl cellulose (CMC) is a sodium salt derivative of cellulose. Unlike cellulose, it is water soluble and can function as a suspending agent, stabilizer, film former or thickening agent.
CMC finds use in gluten-free baking by providing dough with viscosity and bread with volume much like gluten proteins do. It also functions well in fillings as a thickener and in glazes as an agent to slow down sugar crystallization.
Origin
Jansen1 first discovered carboxymethyl cellulose at the end of World War I. It was initially proposed as a substitute for naturally occurring gums. Commercial production of carboxymethyl cellulose occurred closer to World War II.
Function
Carboxymethyl cellulose can provide different functionality depending on its degree and uniformity of substitution by sodium ions, chain length and cellulose backbone. For example, CMC with uniform substitution is known for smooth flow properties and works well in frostings. CMC with non-uniform substitution is known to be thixotropic, forms a stable gel that becomes more fluid when agitated and reforms to a gel over time. Non-uniform substituted CMC works well in fillings or sauces.2
The degree of substitution (D.S.) for sodium carboxymethyl cellulose can be up to 3, but for food application the D.S. is typically between 0.6-0.95.3
Commercial Production
CMC is derived from cellulose, the linear glucose based polymer found in plant material. Producing CMC is a two step process. In the first step, cellulose is suspended in an alkaline solution which opens the cellulose chains and allows water to enter. When this happens, the cellulose can react with sodium monochloroacetate and yield sodium carboxymethyl cellulose.2
Application
Some baked good applications where carboxymethyl cellulose finds use include:
Frozen dough: As a 0.5% replacement for wheat flour and with a D.S. of 1.1, CMC weakens the influence of frozen treatment on the gluten starch structure of the dough.3
Tortillas: CMC is added to tortillas for shelf life extension and to maintain a pliable texture.
Gluten free bread and cakes: Improves the internal structure like gluten proteins and helps with moisture retention and mouthfeel.
Fried doughs: At the level of 0.35%, CMC can reduce oil absorption and improve the texture of fried products.4
Cookies: CMC functions as a release aid and spread controller.4
CMC has a tendency to lump when added to an application unless carefully mixed. Methods of addition to recipes include:2
Adding directly to a vortex of vigorously agitated body of water.
Dispersing CMC in another dry ingredient before adding water.
Dispersing CMC in a water miscible non-solvent (such as glycerine or corn syrup) before adding water.
FDA Regulations
In the United States, sodium carboxymethyl cellulose is affirmed as a Generally Recognized as Safe (GRAS) as a multi-purpose food substance under the following conditions:
Not less than 99.5% on a dry-weight basis, with a maximum substitution of 0.95 carboxymethyl groups per anhydroglucose unit, and with a minimum viscosity of 25 centipoises for 2 percent by weight aqueous solution at 25 °C.
The ingredient has no limitations other than Good Manufacturing Practices. (21 C.F.R. § 182.1745 2018)
Dongying Lingguang New Material Technology Co., Ltd. is a high-tech enterprise that is focusing on research, development, production, and sale of Carboxymethyl Cellulose Sodium(CMC) and Poly Anionic cellulose(PAC). Which is located in Dongying City, Shandong Province. With 230 employees, $23 mi... Dongying Lingguang New Material Technology Co., Ltd. is a high-tech enterprise that is focusing on research, development, production, and sale of Carboxymethyl Cellulose Sodium(CMC) and Poly Anionic cellulose(PAC). Which is located in Dongying City, Shandong Province. With 230 employees, $23 mi...
