BLOG

Physical and biochemical transformation of grain starch through flake technology: Corn and barley applications

16 January 20264 min reading


Yusuf Elman
Deputy General Manager
YEMSA


Flake technologies enable a controlled physical and biochemical transformation of starch-based grains, improving energy utilization efficiency in ruminant nutrition. Corn and barley flaking applications influence investment decisions in the feed industry through their measurable effects on digestibility, ruminal fermentation management, and animal performance.

Within this context, flake technologies stand out among processes that transform the physical structure of grain starch in a controlled manner, increasing digestibility and representing the technical embodiment of the concept of “smart investment” in the feed industry. Corn and barley flake applications offer measurable economic and physiological advantages for both feed manufacturers and livestock operations.

SCIENTIFIC FUNDAMENTALS OF THE FLAKE PROCESS

The flake process is implemented by subjecting grain to controlled moisture addition, steam conditioning, and mechanical rolling. The primary transformation targeted in this process is the partial disruption of the crystalline structure of starch granules and an increase in the degree of gelatinization. Gelatinization enhances the water-holding capacity of starch, making it more accessible to enzymatic digestion (Tester & Morrison, 1990).

The success of the flake process depends on the proper management of interrelated technical parameters. These parameters can generally be summarized as follows:

  • Conditioning temperature (typically in the range of 90–105 °C),
  • Conditioning time and steam penetration,
  • Final product moisture content,
  • Roller pressure and surface roughness,
  • Flake thickness and particle size distribution.

Balanced optimization of these parameters is critical not only for standardizing product quality, but also for ensuring process repeatability and industrial sustainability (Svihus et al., 2005).


CORN FLAKE AND ENERGY UTILIZATION EFFICIENCY

Corn is widely used as a primary energy source in ruminant rations due to its high starch content. However, when corn is processed using conventional grinding methods, a significant portion of its starch may pass through the digestive tract without undergoing ruminal digestion. This represents a potential loss of available energy.

Corn flake applications increase the degree of starch gelatinization, thereby improving both ruminal and post-ruminal digestion (Owens et al., 1986). The literature clearly demonstrates that the use of corn flake:

  • Increases starch digestibility,
  • Improves feed efficiency,
  • Has positive effects on milk yield and live weight gain

(Theurer et al., 1999).

These technical gains contribute to increased energy density of rations, particularly in high-producing dairy operations, while also reducing feed cost per unit of output.


BARLEY FLAKE AND MANAGEMENT OF RUMINAL FERMENTATION

Compared to corn, barley has a starch structure that ferments more rapidly. When used without proper control, this characteristic can lead to a decline in ruminal pH and associated metabolic disorders. Barley flake technology regulates starch digestion kinetics, allowing fermentation to proceed in a more controlled manner (Ørskov, 1986).

Studies indicate that the use of flaked barley:

  • Improves ruminal pH stability,
  • Reduces fluctuations in feed intake,
  • Lowers the risk of metabolic disorders, particularly acidosis

(McAllister et al., 1993).

In this respect, barley flake is considered a technical component of ration management, especially in high-performance herds.

SMART INVESTMENT PERSPECTIVE: PROCESS EFFICIENCY AND AUTOMATION

In feed technologies, the concept of “smart investment” is evaluated through technical criteria such as energy efficiency, precision of process control, level of automation, and maintenance requirements. Modern flake systems offer the ability to monitor and adjust conditioning temperature, product moisture, and roller pressure in real time, thanks to advanced digital control infrastructures (Beauchemin et al., 2001).

The key technical advantages of modern flake lines can be summarized as follows:

Low specific energy consumption,

Minimal product loss,

High process stability,

Flexible design adaptable to different grain types.

These features shorten the return-on-investment period while strengthening production continuity and overall plant efficiency.

ENGINEERING-FOCUSED FLAKE SYSTEMS WITH YEMSA MAKINA

Ensuring that the technical benefits achieved through flake technologies remain sustainable over the long term requires proper process design and reliable machine engineering. With its engineering expertise in feed and grain processing technologies, Yemsa Makina provides high-performance and durable system solutions for corn flake and barley flake applications.

Yemsa Makina flake lines ensure controlled and repeatable starch transformation through optimized conditioner design, high-precision roller mechanisms, and energy-efficient drive systems. With a project-specific engineering approach, solutions are developed in line with plant capacity, raw material characteristics, and product objectives.

In conclusion, for enterprises seeking to maintain and enhance their competitiveness in the feed industry, flake technologies have become not merely a preference but a technical necessity. With its engineering-driven approach to smart investments in feed technologies, Yemsa Makina continues to serve as a reliable solution partner.

Articles in Cover Story Category
12 December 20229 min reading

Effect of Protein, Starch, Fat and Fiber in Extrusion

30 May 20193 min reading

Remote Maintenance Solution for More Service in Grinding, Pelleting and Conditioning

A certified and consistent security concept creates trust. The industrial, cloud-based solution wit...