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Aspartame
Food Chemistry

Aspartame

Formula: C₁₄H₁₈N₂O₅ GOST/CAS: CAS 22839-47-0 (E951)

Aspartame (E951) is one of the most in-demand intense sweeteners, which is approximately 200 times sweeter than regular sugar (sucrose). It is a dipeptide composed of two amino acids: aspartic acid and phenylalanine, which naturally occur in many protein-rich foods. Due to its high sweetness intensity, minimal dosages of aspartame are required to achieve the desired taste, making the final product practically calorie-free. It has a clean sweetness profile, closely resembling sugar, without any foreign metallic or bitter aftertaste. The product is a white, odorless crystalline powder, highly soluble in water and slightly soluble in alcohol. It is important to note that aspartame is thermolabile and loses its sweetness upon prolonged heating, so it is not recommended for use in products that require baking.

Applications

Beverage Industry: Utilized as the primary sweetening agent in the formulation of carbonated and non-carbonated diet soft drinks, juices, and zero-calorie sports nutrition beverages.
Confectionery and Bakery Products: Applied in the production of chewing gum, candies, pastilles, marshmallows, and dietetic desserts. It helps sustain the matrix structure and prolongs the perception of sweetness.
Dairy Products and Desserts: Incorporated into yogurts, curd-based desserts, ice cream, and dry instant mixes (puddings, jellies) where a stable sweet taste is required without increasing the carbohydrate load.
Pharmaceuticals and Nutraceuticals: Used to mask the bitter or unpalatable taste of active ingredients in the manufacturing of cough syrups, effervescent tablets, vitamin complexes, and chewable lozenges.

Key Advantages

High Sweetness Potency: 150–200 times sweeter than sucrose. This allows for exceptionally low dosage rates in formulations, substantially reducing the raw material cost of the final product.
Clean Taste Profile: Delivers a clean, natural sweet taste that closely mimics the sensory profile of sucrose, without any distinct chemical, metallic, or bitter aftertaste.
Synergistic Flavor Enhancement: Blends exceptionally well with acesulfame potassium (Ace-K), saccharin, and sucralose, mutually boosting sweetness intensity and providing a more rounded, sugar-like taste.
Safety and Metabolism: Fully breaks down in the human body into natural amino acids (aspartic acid and phenylalanine) and is metabolized exactly like a standard protein. Safe for individuals with diabetes.

Storage & Transportation

  • Store in a dry, cool, and well-ventilated warehouse environment. Keep the product tightly sealed in its original packaging, away from heat sources and direct sunlight.
  • Optimal storage temperature range: +5°C to +25°C with a relative air humidity not exceeding 70%.
  • Avoid co-storage with substances that emit strong or pungent odors, as the powder is highly prone to absorbing foreign aromas.
  • Transport is permitted via all types of covered transport vehicles in compliance with standard regulations for food-grade cargo. The product is categorized as non-hazardous.
  • Shelf Life: 2–3 years from the date of manufacture (subject to specific manufacturer warranties).

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Technical Specifications

Purity (main substance) 98.0% – 102.0%
Appearance White crystalline powder
Melting point 246–247 °C
Molecular Weight 294.31 g/mol
Loss on Drying ≤ 4.5%

Supply info

  • Industrial multi-layer kraft paper bags with an inner polyethylene liner, 25 kg net weight.
  • Cardboard fiber drums (boxes) equipped with an inner protective plastic bag, 25 kg net weight.
  • Bulk packaging in Big-Bag units (up to 500/1000 kg) is available upon individual request for large-scale industrial operations.

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