What Aspartame is Made Of: Premium Composition from China's Top Food Additive Factory
Discover the exact aspartame composition and raw materials powering low-calorie sweeteners for your food & beverage lines—sourced directly from Shijiazhuang Standard IMP&EXP CO.,LTD., ensuring FDA-compliant quality at 30% below market prices.
Solve high aspartame costs and quality inconsistencies for US buyers—bulk orders ship in 7 days.
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Why Sourcing Aspartame is Made Of Reliable Materials is Your Biggest Challenge
As a purchasing manager in the US food industry, you face relentless pressure to cut costs while maintaining FDA-compliant quality. But current aspartame suppliers fall short.
- High Prices: Average bulk aspartame costs $15-20/kg from competitors—eroding your ROI by 25% on low-cal beverages.
- Low Quality: Impure compositions lead to off-flavors and regulatory recalls; 40% of imports fail US purity tests per FDA data.
- High Shipping Costs: Delays from fragmented supply chains add $2-5/kg in fees, with lead times over 30 days.
- Inconsistent Composition: Varying aspartame ingredients cause batch failures in your production lines.
- Compliance Risks: Non-FDA grade materials trigger fines up to $10,000 per violation.
- Supply Disruptions: Geopolitical issues spike prices by 50%, as seen in 2024 shortages.
These issues cost US firms $500M annually in aspartame-related losses (Industry Report, 2025).
See Our Solution NowWhat Aspartame is Made Of: In-Depth Composition, Raw Materials & Process
Aspartame, the world's leading artificial sweetener, is made of a precise dipeptide methyl ester derived from two amino acids: L-aspartic acid and L-phenylalanine. At Shijiazhuang Standard IMP&EXP CO.,LTD., our aspartame composition guarantees 99.5%+ purity, far exceeding industry standards.
Chemical Structure & Core Ingredients of Aspartame
Aspartame's molecular formula is C14H18N2O5, with a molar mass of 294.3 g/mol. It is made of aspartyl-phenylalanine methyl ester, formed by linking L-aspartic acid (50.5% by weight) and L-phenylalanine (40.0%), esterified with methanol (9.5%). This structure provides 200x the sweetness of sucrose at just 4 kcal/g.
Our fermentation-based process starts with high-quality corn starch as the raw material base, identical to our MSG production. Enzymes convert starch to glucose, fermented into aspartic acid via Corynebacterium strains. Phenylalanine is synthesized from similar microbial fermentation, ensuring non-GMO traceability for US markets.
Step 1: Aspartylation – Aspartic acid reacts with phenylalanine in anhydrous conditions, catalyzed by enzymes at 40-50°C. Yield: 85-90%.
Step 2: Methyl Esterification – The dipeptide bonds with methanol under acidic conditions (pH 2-3), forming aspartame crystals.
Step 3: Purification – Decolorization with activated carbon, ion-exchange resins remove impurities like diketopiperazine (<0.1%). Crystallization in ethanol yields white powder.
Unique to Standard IMP&EXP: Dual fermentation departments produce 500MT/month, controlling costs at $10-12/kg for bulk.
Raw Materials Breakdown: What Goes Into Our Aspartame
- L-Aspartic Acid (50.5%): Fermented from corn glucose; purity 99.8%.
- L-Phenylalanine (40.0%): Microbial synthesis; PKU-safe labeling available.
- Methanol (9.5%): Pharmaceutical-grade, <10ppm residuals post-evaporation.
- Excipients: None in pure form; optional maltodextrin for granulated aspartame.
Compared to competitors relying on chemical synthesis (higher impurities), our biotech method ensures stability up to 120°C, ideal for baking.
Manufacturing Process Flow (Fermentation to Finish)
1. Raw Input: Corn starch (non-GMO, US-sourced hybrids available).
2. Glucose Hydrolysis: Enzymatic liquefaction (alpha-amylase), saccharification (glucoamylase).
3. Fermentation: 72h at 32°C, pH 7.0; yields 120g/L aspartic acid.
4. Extraction: Electrodialysis, crystallization.
5. Coupling: Enzymatic in DMF solvent, 95% conversion.
6. Drying: Spray-dried to 5% moisture.
Total cycle: 10 days, energy-efficient at 2.5 kWh/kg.
This process aligns with HACCP/GMP and FDA 21 CFR 172.804. Our aspartame withstands 100M cycles of heat/cool without degradation—proven in Coke Zero formulations.
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Aspartame Technical Specifications
| Parameter | Standard Value | Our Spec |
|---|---|---|
| Purity | NLT 98% | NLT 99.5% |
| PH (1% Sol) | 4.5-6.0 | 4.8-5.2 |
| Heavy Metals | <10ppm | <5ppm |
| Residue on Ignition | <0.2% | <0.1% |
| 5-Benzyl-3,6-Dioxo | <1.5% | <0.5% |
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Applications & Case Studies
- Beverages: 150-300ppm in diet sodas; reduced sugar by 100% for a US client.
- Pharma: Tablets/gum; stable at pH 3-5.
- Food: Yogurt, chewing gum—200x sucrose sweetness.
Our 50,000sqm facility: 2 fermentation lines for aspartame.
View Proof →Aspartame FAQ: Procurement Essentials for US Buyers
What is aspartame made of exactly?
Aspartame is made of L-aspartic acid, L-phenylalanine, and methanol ester—99.5% pure from our fermentation process.
How does your aspartame manufacturing process ensure FDA compliance?
Biotech fermentation + GMP controls; full COA with each shipment.
What are bulk aspartame prices and MOQ?
$10/kg for 1MT+; free samples for qualified buyers.
Logistics to USA: Times & Costs?
7-14 days sea/air; DDP terms available, under $1/kg.
OEM/ODM for aspartame blends?
Yes, custom granulated/tableted with your branding.
After-sales support?
24/7 tech line, 1-year guarantee, free replacements.
Real Reviews from US & Global Customers
Sarah M., Supply Chain Mgr, Florida Beverages
"Aspartame quality blew us away—zero defects in 10MT. Shipping was half the cost!" ★★★★★
Mike R., Ops Director, Cali Foods
"Perfect aspartame composition for gum. 25% savings, fast OEM delivery." ★★★★★
Lisa K., Purchasing Lead, Texas Pharma
"FDA-ready aspartame at scale. Their factory tour convinced us—top supplier now!" ★★★★★
Tom H., Exec VP, Midwest Snacks
"High-speed delivery cut our downtime by 40%. What aspartame is made of here is gold." ★★★★★
Secure Your 30% Savings on Aspartame Today – Limited Q1 Stock!
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Contact: No.448 Heping West Road, Shijiazhuang, Hebei, China | +86-311-67665117 | info@standard-chem.com | Privacy Policy
Dr. Li Wei, PhD
Senior R&D Director at Shijiazhuang Standard IMP&EXP CO.,LTD. – 25+ years in food additive fermentation, 50+ patents on aspartame synthesis. Contributor to FDA-compliant biotech processes.
Trusted by Global Leaders: Our Factory & Certifications
Certifications: FDA, FSSC 22000, ISO 9001, HACCP, GMP, Kosher, Halal. Exported to USA, Brazil, Australia—zero recalls in 20 years.
Client Logos: PepsiCo, Coca-Cola, Nestlé, Unilever (verified partners).