The Composition of Wheat Starch

The polysaccharide stored in wheat is mainly starch, which is composed of two polymers, amylose and amylopectin.

Fig.1 Forms of starch in wheat grain and flour. (Kim & Kim, 2021)

The amylose/amylopectin ratio decides the size of wheat starch granules, which exhibits a trimodal distribution: large A-granule, intermediate B-granule, and small C-granule. Starches from different wheat cultivars vary in granule size distribution.

Table 1. Starch granules size distribution in different wheat cultivars. (Shevkani, et al., 2017)

Wheat starch is commonly applicated in food, chemical, petrochemical, pharmaceutical, fermentation, textile, and paper industries. In food applications, wheat starch is used as a tenderizer, thickener, preservative, and swelling agent. In nonfood applications, it is used as a flocculating agent and internal sizing agent in papermaking, as a thickener of the drilling fluids in the petrochemical industry, as a binder in animal feeds, to stiffen clothes, to produce biodegradable, nontoxic detergents and plastics, and as an ingredient in pharmaceutical preparation, drug delivery, and bone cement.

Our Service

CD BioGlyco is professional in the field of wheat starch production and analysis, and has the most advanced platform. Our production capacity of wheat starch exceeds 100,000 tons per year. Our wheat starch manufacture services include but are not limited to:

Fig.2 Customized wheat starch manufacture service. (CD BioGlyco)

• Common process in wheat starch production

The methods of wheat starch production can be divided into two categories: extracting starch from wheat flour and extracting starch directly from wheat grains.

• Extracting starch from wheat flour: Dry-willing Process and Wet-milling Process. The latter is usually used in production, including Halle fermentation process, Alsatian process, Longford-Slotter process, Farmarco process, etc. Martin (dough-washing) process, Raisio process, and hydrocyclone (dough-batter) process are the most common processes in wheat starch production.
• Martin (dough-washing) process: Mixing flour and water and forming a stiff dough, washing dough and separating starch and gluten, refining and drying starch.
• Martin (dough-washing) process: Mixing flour and water and forming a stiff dough, washing dough and separating starch and gluten, refining and drying starch.
• Hydrocyclone (dough-batter) process: Mixing flour and water and forming a flowable batter, shear mixing with water and forming a homogeneous dispersion, filtering, separating starch by hydrocyclones, refining and drying starch.
• Extracting starch directly from wheat grains: Soaking process (acid or alkali soaking, ammonia soaking, and sodium sulfite soaking), solvent process. The former is commonly used.
• Novel technologies in wheat starch production process
• High-pressure disintegration process is the most advanced wheat starch production process: Rapidly mixing flour and warm water and forming a smooth slurry, high-pressure shearing and separating starch in slurry, diluting and subjecting into a decanter centrifuge, gathering starch.
• We can provide customers with Customized Process for wheat starch manufacture, combining conventional processes and advanced technologies.
• Wheat starch structure and properties characterization

We provide characterization services for granule size distribution and morphology, amylose/amylopectin ratio, lipid and protein content, crystallinity, gelatinization, retrogradation, swelling power, pasting properties, digestibility, etc. The utilized methods and instruments include differential scanning calorimeter (DSC), X-ray diffractometry, Brabender visco-amylograph, rapid visco-analyzer, enzymatic hydrolysis, etc.

• Modification of wheat starch

We provide Modified Starch Manufacture Service of wheat starch. By changing reaction conditions (pH/temperature/additives) and controlling the production process, modified wheat starch products with unique properties are made to meet the different requirements of customers.

Applications

• Wheat starch mass production
• Development and optimization of wheat starch production process
• Food ingredient development
• Biodegradable product development
• Pharmaceutical preparation and biomedical material development

Highlights

• Customized solutions for customers with different requirements: Martin (dough-washing) process, Raisio process, hydrocyclone (dough-batter) process, etc.
• Advanced analysis technology: High-pressure disintegration process

CD BioGlyco owns the most mature technology and the high-quality platform in wheat starch manufacture as well as other Polysaccharide Manufacture, Oligosaccharide Manufacture, and Monosaccharide Manufacture. If you are interested in our wheat starch manufacture service, please contact us for more information.

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