Introduction
Neotame Powder is a next-generation, high-intensity, non-nutritive sweetener that is chemically derived from the dipeptide of aspartic acid and phenylalanine. Renowned for its exceptional sweetness-7,000 to 13,000 times sweeter than sucrose (table sugar)-it delivers significant sweetening power with minimal usage[1]. It is designed to provide a clean, sugar-like taste without the bitter or metallic aftertastes often associated with other artificial sweeteners. Approved for general use by major regulatory bodies including the U.S. FDA (2002) and included in the China GB 2760-2024 food additive standard, Neotame is a versatile ingredient for innovative, low-calorie, and sugar-free product formulations worldwide.
Biochemical & Physical Parameters
| Parameter | Description / Specification |
|---|---|
| CAS No. | 165450-17-9 |
| E Number | E 961 |
| Purity (HPLC) | ≥ 98% (Typical) |
| Molecular Weight | 378.46 g/mol |
| Solubility | Highly soluble in water (~200.81 mM), ethanol, and DMSO. |
| Sweetness Potency | 7,000 - 13,000x sucrose; 30 - 60x aspartame. |
| Caloric Value | Effectively non-caloric (<0.3 kcal/g). |
| Storage | Store in a cool, dry place (-20°C recommended for long-term stability). |
| Shelf Life | Up to 3 years under proper storage conditions. |
Mechanism of Action
How It Creates Sweetness:
Neotame functions by binding with high affinity to the human sweet taste receptor (T1R2/T1R3) on the tongue[2]. Its molecular structure is engineered to fit perfectly into the receptor's binding sites, triggering a strong neural signal perceived as intense sweetness, much greater than sucrose or aspartame[2].
How It Is Processed in the Body:
A key advantage of Neotame lies in its unique metabolic pathway, which differs significantly from its predecessor, aspartame:
1. Ester Hydrolysis: The primary metabolic route is the hydrolysis of the methyl ester group by widespread esterases, producing de-esterified Neotame and a small amount of methanol[3].
2. Blocked Peptide Cleavage: The 3,3-dimethylbutyl group attached to the aspartyl moiety acts as a large steric hindrance. This effectively blocks the action of peptidases that would normally break the peptide bond between aspartic acid and phenylalanine[3].
3. Consequence: This blockage results in minimal release of phenylalanine into the bloodstream. Therefore, unlike aspartame, Neotame does not require a warning label for individuals with phenylketonuria (PKU), making it a safer choice for this population[2].
Benefits & Advantages
- Extreme Sweetness & Cost-Effectiveness: Its extraordinary potency (thousands of times sweeter than sugar) means extremely low usage levels (typically 0.001% - 0.1%), leading to significant cost savings in formulations[2].
- Clean Taste Profile: Provides a clean, sweet taste without the undesirable bitter, metallic, or licorice-like aftertastes common with some other high-intensity sweeteners, enhancing product acceptance[2].
- Improved Stability: Exhibits greater stability than aspartame under neutral pH conditions and at high temperatures, making it suitable for a wider range of applications, including baked goods and pasteurized beverages[2].
- Versatile Compatibility: Chemically inert towards reducing sugars (e.g., glucose, fructose) and aldehyde-based flavors (e.g., vanilla, cinnamon), allowing flexible use in complex food systems without losing sweetness or causing flavor degradation[2].
- Metabolic & Safety Profile: As a non-caloric sweetener, it does not raise blood glucose or insulin levels, supporting its use in products for diabetics and weight management. Its specific metabolism minimizes phenylalanine release[2][3].
Safety, Regulatory Status & Emerging Research
Neotame is approved as a general-purpose sweetener by key authorities, including:
- U.S. FDA (2002)
- JECFA (Joint FAO/WHO Expert Committee on Food Additives)
- China (GB 2760-2024)
- European Food Safety Authority (EFSA)
Neotame vs. Aspartame: Key Comparison
| Feature | Neotame | Aspartame |
|---|---|---|
| Sweetness Relative to Sucrose | 7,000 - 13,000 times | ~200 times |
| Stability | Higher, especially at neutral pH and heat | Lower, degrades in heat/neutral pH |
| Phenylalanine Release | Minimal (Peptidase blocked) | Significant (Full hydrolysis) |
| PKU Labeling Required | No | Yes ("Contains Phenylalanine") |
| Caloric Contribution | Effectively zero (<0.3 kcal/g) | 4 kcal/g (but used in tiny amounts) |
Note on Emerging Health Research
While regulatory agencies deem Neotame safe within established Acceptable Daily Intakes (ADIs), recent scientific studies suggest areas for further investigation. In vitro (test-tube) studies indicate that at high concentrations, Neotame may potentially damage intestinal epithelial cells and adversely alter gut bacteria, which could be linked to gut barrier dysfunction[4][5]. Other research notes that it may decrease the diversity of gut microbiota. These studies highlight the importance of ongoing science but do not overturn current regulatory safety assessments for typical human consumption levels.
Applications & Usage in Food (Based on GB 2760-2024)
Neotame is versatile. The following table outlines its application in various food categories per China's national standard:
| Food Category | Example Products | Maximum Usage Level (g/kg) |
|---|---|---|
| Dairy & Alternatives | Flavored fermented milk, Modulated milk powder | 0.065 - 0.1 |
| Frozen Desserts | Ice cream, Popsicles | 0.1 |
| Fruit Products | Jams, Canned fruit, Dried fruit, Preserved fruits | 0.033 - 0.3 |
| Bakery Products | Bread, Pastries, Cookies, Cake decorations | 0.08 |
| Confectionery | Chewing gum, Other candies | 0.33 - 1.0 |
| Beverages | Fruit and vegetable juice drinks | 0.033 |
| Condiments & Savory | Tabletop sweeteners, Compound seasonings, Vinegar | 0.012 - 0.07 |
| Other | Ready-to-eat cereals, Instant noodle products | 0.06 - 0.16 |
Frequently Asked Questions (FAQ)
Q: Is Neotame safe? Are there any side effects?
A: Major global health and food safety authorities (U.S. FDA, EFSA, JECFA) have evaluated and approved Neotame as safe for human consumption within the established ADI. Some individuals with high sensitivity to sweeteners might experience mild digestive discomfort if consumed in very large amounts. Recent laboratory studies suggest potential effects on gut cells and bacteria at high doses, warranting further research, but these findings are not equivalent to proven harm from normal dietary use.
Q: Can people with diabetes use products with Neotame?
A: Yes. Neotame is non-caloric and does not affect blood glucose or insulin levels, making it a suitable sugar substitute for individuals managing diabetes.
Q: Why choose Neotame over Aspartame or Sucralose?
A: Neotame offers a combination of higher sweetness potency (lower cost-in-use), better heat and pH stability than aspartame, and a cleaner taste profile than some other sweeteners. It also avoids the phenylalanine concern associated with aspartame.
Q: How should Neotame be stored?
A: Store in a cool, dry place in a tightly sealed container to prevent moisture absorption. For long-term storage (years), -20°C is recommended to maintain optimal stability and purity.
Contact Us
Ready to innovate with one of the most advanced high-intensity sweeteners on the market? Our high-purity Neotame Powder (CAS 165450-17-9) meets stringent food and pharmaceutical-grade standards.
Contact our technical sales team today to:
- Request a free sample for your R&D trials.
- Discuss your specific application needs and receive formulation support.
- Obtain a detailed Certificate of Analysis (CoA) and competitive pricing.
WhatsApp: +86-18066540910
E-mail: ella.zhang@huilinbio-tech.com.
References
- Reynolds, A., & Mitri, J. (2024, April 28). Dietary Advice For Individuals with Diabetes. Table 1. NON-NUTRITIVE SWEETENERS. National Library of Medicine.
- Nofre, C., & Tinti, J. M. (2000). Neotame: discovery, properties, utility. Food Chemistry, 69(3), 245-257
- NCATS Inxight: Drugs. (n.d.). NEOTAME. U.S. National Institutes of Health.
- Anglia Ruskin University (ARU). (2024, April 24). Artificial sweetener has potential to damage gut [News release]
- Li, Y., et al. (2025). Kinetics, contributions, and pathways of the degradation of artificial sweeteners by primary and secondary radicals during UV/persulfate. Chemical Engineering Journal, 102345
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