Overview
Xylitol is a sugar alcohol derived from xylose, a natural sugar found in many fruits and vegetables. It is commonly produced from birch wood or corn cobs through hydrogenation. Unlike sucrose, xylitol has fewer calories and does not promote tooth decay, making it a popular sugar substitute. Its chemical structure allows it to stimulate taste receptors for sweetness without significantly affecting blood glucose levels. This property makes xylitol suitable for diabetic-friendly products and low-carb diets. Its cooling effect in the mouth also enhances its use in chewing gum and mints.
Physical and Chemical Properties
Xylitol appears as a white, odorless crystalline powder with a sweet taste comparable to sucrose. It is highly soluble in water and slightly soluble in ethanol. The compound is stable under normal temperatures but may absorb moisture if exposed to humid conditions. Its melting point ranges between 92–96 °C, and it does not caramelize like sugar. Xylitol's low glycemic index (GI 7) and minimal impact on insulin secretion distinguish it from other sweeteners. These properties are critical for its applications in health-conscious food products.
Main Applications
Xylitol is widely used in sugar-free confectionery, including chewing gum, candies, and chocolates, due to its dental benefits and sweetness profile. It inhibits the growth of Streptococcus mutans, a bacteria responsible for tooth decay, making it a key ingredient in oral care products like toothpaste and mouthwash. In pharmaceuticals, xylitol serves as a excipient in syrups and lozenges, providing sweetness without affecting drug efficacy. It is also used in diabetic-friendly foods and low-calorie desserts. Industrial applications include its use as a humectant in cosmetics and a stabilizer in some chemical processes.
Safety and Storage
Xylitol is generally safe for human consumption but can cause digestive issues like bloating or diarrhea if consumed in large quantities (typically over 50 grams per day). It is toxic to dogs, leading to insulin release and potential liver failure, so products containing xylitol must be kept away from pets. For storage, xylitol should be kept in airtight containers in a cool, dry environment to prevent moisture absorption. Bulk quantities are often packaged in 25 kg bags or drums. Proper handling ensures product stability and longevity.
B2B Procurement Guide
When sourcing xylitol, prioritize suppliers who provide certificates of analysis (CoA) confirming purity (≥98%) and food-grade compliance. Key certifications include USP, FCC, or EU-grade standards. Packaging should be moisture-proof, especially for international shipments. Pricing varies based on quantity and purity, with bulk purchases (e.g., metric tons) offering cost advantages. Consider suppliers with reliable logistics to ensure timely delivery. For niche applications like pharmaceuticals, verify additional regulatory approvals (e.g., FDA or EMA compliance).
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