Overview
Lactitol is a sugar alcohol derived from lactose, the natural sugar found in milk. It is commonly used as a low-calorie sweetener in sugar-free foods and beverages, offering about 40% of the sweetness of sucrose. Due to its non-cariogenic properties, it is also used in oral care products. In addition to its role as a sweetener, lactitol is utilized in pharmaceuticals as an excipient and as a laxative due to its osmotic effect. Its stability under high temperatures makes it suitable for baked goods and processed foods.
Physical and Chemical Properties
Lactitol appears as a white crystalline powder with a mild, sweet taste. It is highly soluble in water and has a melting point range of 145-150°C. Unlike sucrose, lactitol is not metabolized by oral bacteria, reducing the risk of dental caries. Chemically, lactitol is a disaccharide alcohol formed by the reduction of lactose. It is stable under acidic and alkaline conditions, making it versatile for use in various food and pharmaceutical formulations.
Main Applications
Lactitol is widely used in the food industry as a sugar substitute in products like chocolates, chewing gum, and baked goods. Its low glycemic index makes it suitable for diabetic foods. In pharmaceuticals, lactitol serves as a bulking agent in tablets and syrups. Its laxative properties are leveraged in treatments for constipation. Additionally, it is used in dietary supplements for its prebiotic effects, promoting gut health.
Safety and Storage
Lactitol is generally recognized as safe (GRAS) by regulatory authorities. However, excessive intake may lead to gastrointestinal issues such as bloating or diarrhea due to its osmotic effect. For storage, lactitol should be kept in a cool, dry place away from moisture and direct sunlight. Proper packaging in airtight containers is recommended to maintain its quality and shelf life.
B2B Procurement Guide
When procuring lactitol, buyers should prioritize suppliers with certifications like ISO, FDA, or EU compliance. Key factors include purity (typically 98-99%), particle size, and absence of contaminants. Bulk purchases may offer cost advantages, but it is essential to evaluate storage capabilities to prevent degradation. Requesting samples for quality testing before large-scale orders is advisable to ensure product suitability.
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