What is Lactulose Powder?
Lactulose Powder is a synthetic, non-digestible disaccharide composed of galactose and fructose. Renowned for its dual functionality as an osmotic laxative and a powerful prebiotic, this highly purified ingredient is a cornerstone in both pharmaceutical and nutraceutical formulations. Unlike conventional sugars, Lactulose resists hydrolysis by human digestive enzymes, allowing it to reach the colon intact where it exerts its therapeutic effects. As a critical raw material for digestive health and hepatic care formulations, sourcing high-quality Lactulose Powder ensures superior efficacy, stability, and regulatory compliance for your end products.
Scientific Production Process & Active Composition
The production of Lactulose Powder involves the alkaline isomerization of lactose, which is derived from high-purity bovine or caprine whey. Through a carefully controlled chemical reaction, the glucose moiety in the lactose molecule is isomerized to fructose, resulting in the formation of 4-O-β-D-galactopyranosyl-D-fructofuranose.
Extracts China utilizes state-of-the-art manufacturing facilities to execute this isomerization process, followed by advanced purification, decolorization, and crystallization or spray-drying techniques. This rigorous methodology guarantees the removal of unreacted lactose and other residual sugars, yielding an active ingredient with exceptionally high purity and consistent physicochemical properties.
Key Physicochemical Properties & Stability
Understanding the physical and chemical behavior of Lactulose Powder is essential for optimal formulation design:
- Appearance: White or almost white, crystalline powder.
- Solubility: Freely soluble in water; sparingly soluble in ethanol (96%); practically insoluble in dichloromethane. Its high aqueous solubility makes it ideal for liquid syrups, powders for reconstitution, and effervescent formulations.
- Stability: Lactulose Powder is hygroscopic and must be protected from moisture to prevent caking and degradation. It remains stable under normal storage conditions but can degrade under prolonged exposure to high temperatures and strongly acidic or alkaline environments, reverting to its constituent monosaccharides or forming degradation products like furfural.
Core Functional Benefits & Mechanisms of Action
Proven Osmotic Laxative
In the colon, Lactulose is metabolized by the saccharolytic flora into low-molecular-weight organic acids (primarily lactic, acetic, and formic acids). These acids increase the osmotic pressure within the colonic lumen, drawing water into the bowel. This softens the stool, increases bowel volume, and stimulates peristalsis, providing a reliable, gentle, and predictable laxative effect without causing dependency.
Powerful Prebiotic Activity
As a prebiotic, Lactulose selectively stimulates the growth and metabolic activity of beneficial intestinal bacteria, particularly Bifidobacteria and Lactobacilli. This shift in the gut microbiome suppresses the proliferation of putrefactive, pathogenic bacteria, thereby improving overall gut ecology, enhancing immune modulation, and optimizing nutrient absorption.
Hepatic Encephalopathy Management
In clinical nutrition and pharmaceuticals, Lactulose is the gold standard for managing portal-systemic encephalopathy (PHE). The fermentation of Lactulose acidifies the colonic environment, which converts absorbable ammonia (NH3) into non-absorbable ammonium ions (NH4+). This ion-trapping mechanism facilitates the elimination of ammonia via the feces, effectively reducing blood ammonia levels and mitigating neurotoxicity.
Versatile Industry Applications
Pharmaceutical Formulations
Lactulose Powder is widely utilized as an Active Pharmaceutical Ingredient (API) in prescription and OTC drugs for the treatment of chronic constipation and hepatic encephalopathy. It is formulated into oral solutions, enemas, and sachets.
Dietary Supplements & Nutraceuticals
In the rapidly growing gut-health market, Lactulose serves as a premium prebiotic ingredient. It is formulated into standalone powder supplements, combined with probiotics (synbiotics), and incorporated into daily digestive wellness capsules and stick-packs.
Functional Food & Beverages
As a functional food additive, Lactulose Powder is integrated into dairy products, infant formula (to mimic the prebiotic effect of human milk oligosaccharides), and specialized clinical nutrition beverages. It also acts as a low-glycemic sweetener in dietetic products due to its minimal impact on blood glucose levels.
Formulation Compatibility & Processing Guidelines
Lactulose Powder exhibits excellent compatibility with a broad spectrum of excipients, including binders, flavoring agents, and other active ingredients used in gastrointestinal therapies. However, formulation developers must account for its hygroscopic nature. When incorporating Lactulose into solid oral dosage forms, tight control over ambient humidity during granulation and tableting is mandatory. In aqueous formulations, the pH should be maintained within a stable range to prevent acid-catalyzed hydrolysis during the shelf life of the product.
Quality Specifications
Extracts China provides Lactulose Powder that strictly adheres to the highest international pharmacopeial standards, ensuring safety and performance for global regulatory submissions.
| Parameter | Specification Standard (Ph.Eur./USP/CP) |
|---|---|
| Identification | Positive (TLC / HPLC) |
| Assay (Lactulose) | 95.0% – 103.0% (on the anhydrous basis) |
| Appearance | White or almost white, crystalline powder |
| Solubility | Freely soluble in water |
| Specific Optical Rotation | -46.0° to -50.0° (anhydrous substance) |
| Water Content | Not more than 2.5% |
| Related Substances (Lactose) | Not more than 3.0% |
| Related Substances (Epilactose) | Not more than 2.0% |
| Related Substances (Galactose) | Not more than 1.0% |
| Related Substances (Fructose) | Not more than 1.0% |
| Sulfated Ash | Not more than 0.1% |
| Heavy Metals (as Pb) | Not more than 10 ppm |
| Microbial Limits | Complies with Ph.Eur./USP limits |
Packaging & Storage Recommendations
To preserve the integrity and flowability of this hygroscopic raw material, Extracts China packages Lactulose Powder in industry-standard, multi-layer polyethylene-lined fiber drums of 25 kg net weight. Custom packaging configurations are available upon request for bulk distributors and large-scale manufacturers.
Storage: The product must be stored in its original, tightly sealed packaging in a cool, dry, and well-ventilated facility, strictly protected from moisture and direct sunlight. Maintaining a relative humidity below 60% and a temperature below 25°C is highly recommended to prevent caking and ensure maximum shelf life.
Why Partner with Extracts China for Lactulose Powder?
Extracts China stands as a premier supplier of specialized raw materials for the pharmaceutical, nutraceutical, and food industries. When you source Lactulose Powder from us, you are securing a supply chain backed by uncompromising quality assurance, full batch-to-batch traceability, and GMP-compliant manufacturing practices.
Our commitment to rigorous analytical testing—including advanced HPLC profiling for related substances—guarantees that every shipment meets your exact specifications. For brand owners, contract manufacturers, and wholesale distributors seeking a reliable, high-purity prebiotic and laxative ingredient, Extracts China delivers the consistency and technical documentation required to accelerate your time-to-market and build enduring brand trust.
Contact Us for Bulk Orders & Formulation Support
Ready to elevate your product formulations with premium Lactulose Powder? Our technical sales team and formulation experts are available to provide comprehensive documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and regulatory dossiers.
Reach out today to discuss your bulk requirements and secure your supply chain:
Email: [email protected]
