Product Introduction
Lactase, also known as β-galactosidase, is an enzyme that catalyzes the hydrolysis of lactose into glucose and galactose. This enzyme is crucial for individuals with lactose intolerance, a condition where the body does not produce enough lactase to break down lactose, leading to digestive discomfort[1]. Lactase is derived from various sources, including fungi and yeasts, and is produced through fermentation processes. The commercially available lactase is typically purified and standardized to ensure consistent activity and quality. It is widely used in the food industry to produce lactose-free dairy products, improve the digestibility of dairy items, and enhance the sweetness of certain foods.
Production Process
The production of lactase generally involves microbial fermentation, extraction, purification, and formulation[2]. Microorganisms such as Aspergillus niger or Kluyveromyces lactis are cultured in fermentation tanks under controlled conditions. These microorganisms naturally produce lactase, which is secreted into the fermentation medium. After fermentation, the enzyme is extracted from the culture broth using techniques like filtration and centrifugation. The extracted enzyme undergoes purification steps, such as ultrafiltration or chromatography, to remove impurities and concentrate the lactase. The purified lactase is then formulated into various forms, including liquid and powder. Finally, the formulated lactase is tested for activity, stability, and safety before being packaged for commercial use.
Product Effects and Benefits
Lactase offers several benefits, particularly for individuals with lactose intolerance. By breaking down lactose into glucose and galactose, it reduces the symptoms of lactose intolerance, such as bloating, gas, and diarrhea [3]. Lactase supplementation allows individuals to consume dairy products without experiencing these adverse effects. Additionally, lactase can enhance the sweetness of certain foods because glucose and galactose are sweeter than lactose. In the dairy industry, lactase is used to produce lactose-free milk, yogurt, and cheese, which are more easily digestible and palatable for a broader consumer base.
Product Applications
Lactase has a wide range of applications, primarily in the food and beverage industry. It is commonly used in the production of lactose-free dairy products. During the manufacturing process, lactase is added to milk to hydrolyze the lactose, resulting in lactose-free milk, yogurt, and cheese. It is also used in the baking industry to improve the texture and flavor of baked goods and to reduce lactose levels in dairy-containing recipes [4]. Furthermore, lactase is available as a dietary supplement in tablet or capsule form, allowing individuals to take it before consuming dairy products to aid in digestion.
Packaging and Storage
Lactase is typically packaged in airtight containers to protect it from moisture, light, and air, which can degrade the enzyme's activity. Packaging materials often include polyethylene bags, foil pouches, or rigid plastic containers. It should be stored in a cool, dry place, ideally at temperatures between 4°C to 8°C (39°F to 46°F) to maintain its stability and activity [5]. Exposure to high temperatures and humidity should be avoided, as these conditions can accelerate the degradation of the enzyme. When stored properly, lactase can maintain its activity for up to two years.
Citations:
[1] Suchy, F. J., Brannon, D., Carpenter, T. O., Fernandes, J., & Gershon, M. D. (2016). Liver Disease in Children: Content and Controversy. Wiley.
[2] Hussin, A. S. M., Razak, C. N. A., Abidin, N. Z., Yasin, R. M., Rahman, R. N. Z. R. A., Hassan, M. A., & Rahman, R. N. A. (2017). Microbial Lactase: Production, Optimization, and Applications. Applied Biochemistry and Biotechnology, 183(1), 11–23.
[3] Misselwitz, B., Pohl, D., Frühauf, H., Fried, M., Reimann, F., & Vavricka, S. R. (2019). Lactose malabsorption and intolerance: pathogenesis, diagnosis and treatment. United European Gastroenterology Journal, 1(3), 151–159.
[4] Dahlqvist, A. (1993). Lactose Intolerance. Digestive Diseases and Sciences, 38(2), 187–203.
[5] Panesar, P. S. (2011). Biotechnological approaches for value addition to whey. Journal of Scientific & Industrial Research, 70(5), 313-323.
As the plant manager, I focus on the precise formulation and efficient production of food additives. We rigorously control the production process to ensure the quality and safety of each product, meeting industry standards. 🍴
