What is Arabinogalactan?

Larch Arabinogalactan (LAG) is a natural, highly branched water-soluble polysaccharide purified from the heartwood of Western Larch (Larix occidentalis) via a pure water-based physical extraction process. With a fixed molecular structure (6:1 galactose-to-arabinose ratio, molecular weight: 15,000–60,000 Da), it complies with FCC monograph and FDA 21 CFR §172.610 regulatory specifications, CAS No.: 9036-66-2.
As a scientifically validated true prebiotic and dual-functional active polysaccharide, LAG cannot be digested by human upper gastrointestinal enzymes. It reaches the colon intact for targeted flora fermentation, delivering dual core value: gut microecology regulation and systemic immune modulation. Compared with traditional prebiotics (inulin, FOS/GOS), it features zero bloating, neutral taste, full water solubility and low glycemic properties, making it a premium clean-label raw material for functional foods, beverages and dietary supplements.

1.Core Basic Information

  • CAS Number: 9036-66-2
  • Regulatory Compliance: FDA 21 CFR §172.610, FCC Monograph, GRAS Certified
  • Structural Feature: Fixed galactose-to-arabinose ratio =6:1
  • Molecular Weight: 15,000–60,000 Da (standardized distribution)
  • Extraction Process: Pure water physical extraction, no organic solvent residue, non-GMO, allergen-free

2.Industrial Grade Technical Parameter Table

Commercial Grade Arabinogalactan Purity (HPLC) Total Polysaccharide Content Moisture Ash Content Key Characteristics Recommended Application
Premium Pharma/Supplement Grad ≥98.0% ≥99.0% ≤3.0%
≤0.5%
 Zero filler, ultra-low heavy metal, clinical efficacy consistent High-end immune capsules, prebiotic sachets, pediatric nutritional formulas
Standard Food Grade 90.0%–97.0% ≥95.0% ≤3.0% ≤1.0% Cost-effective, full water solubility Functional beverages, dairy products, baked foods
Tech Grade (Processing Aid) 80.0%–89.0% ≥90.0% ≤4.0%
≤1.5%
 Excellent thickening & moisturizing properties Confectionery, gel products, staple food processing

3.Universal Quality Control Standards

  • Heavy Metal Limit: Pb≤1ppm, As≤1ppm, Cd≤0.3ppm (EU/US import compliant)
  • Microbiology: TPC≤1000cfu/g, Yeast/Mold≤50cfu/g, Pathogen Negative
  • Detection Method: HPLC refractive index detection, compliant with FCC unified test protocol
  • Shelf Life: 24 months (sealed, dry storage at 0–25℃)

Core Functions & Scientific Mechanism (Prebiotic + Immune Support)

Larch Arabinogalactan’s core competitiveness lies in its gut-immune axis dual synergy, fully backed by PubMed-indexed clinical trials and FDA regulatory recognition.

 True Prebiotic Function (Core Gut Health Benefit)

Verified by global prebiotic consensus research, LAG meets the official definition of prebiotics: indigestible by host enzymes, selectively utilized by beneficial gut microbes to confer physiological health benefits.

  • Selective Proliferation: Preferentially boosts the growth of Lactobacillus and Bifidobacterium, reshaping dominant beneficial gut flora
  • SCFA Production: Ferments to produce acetate, propionate and butyrate, strengthening intestinal barrier and reducing chronic gut inflammation
  • Mild & Tolerable: No osmotic pressure side effects, effectively avoids bloating and flatulence common with high-dose inulin/FOS
  • Bowel Regularity: Improves intestinal peristalsis to relieve mild constipation and irregular defecation

Evidence-Based Immune Support (Differentiated Selling Point)

Multiple double-blind, placebo-controlled clinical trials confirm LAG regulates immunity through two pathways, forming a complete defense system:

  • Mucosal Immunity (Local): Optimizes Gut-Associated Lymphoid Tissue (GALT) function, enhancing intestinal mucosal defense against invasive pathogens
  • Systemic Immunity (Overall): Stimulates NK cell cytotoxicity and increases complement properdin levels by 18–21%; significantly reduces upper respiratory tract infection incidence
  • Pathogen Anti-Adhesion: Blocks viruses and harmful bacteria from binding to intestinal and liver cell membranes, lowering infection risk

Application Fields & Verified Formulation Dosages

LAG integrates nutritional functionality and processing auxiliary properties, covering high-margin supplements, mainstream beverages and clean-label food tracks. Below are market-verified addition dosages for direct R&D application:

Dietary Supplements (High-Margin Core Track)

  • Applicable Dosage Forms: Prebiotic powder sachets, immune-support capsules, gut health complex tablets, daily fiber supplements
  • Effective Human Dosage: 1.5–4.5g per daily serving
  • Formulation Synergy: Compatible with probiotics, beta-glucan and Vitamin C to amplify gut-immune axis efficacy; ideal for sensitive consumer groups intolerant to FOS

Functional Beverages (Best-Selling Track)

  • Applicable Products: Prebiotic RTD drinks, immune functional water, plant-based milk, electrolyte beverages
  • Recommended Dosage: 0.2–0.5% (w/v)
  • Application Case: A North American clean-label beverage brand added 0.3% LAG to prebiotic drinks, achieving clear liquid appearance, stable probiotic activity and FDA-compliant gut-immune dual health claims

Dairy & Frozen Foods

  • Products: Yogurt, plant-based soy milk, high-protein dairy drinks, ice cream
  • Dosage: 1.0–1.5%
  • Function: Improves protein dispersion, inhibits ice crystal growth, enhances smooth mouthfeel while fortifying prebiotic fiber

Baked Foods & Staples

  • Products: Bread, functional pasta, low-sugar cakes
  • Dosage: 0.05–0.2%
  • Function: Retains moisture, extends shelf life, fortifies dietary fiber without affecting dough fermentation

Confectionery & Gel Products

  • Products: Jelly, pudding, functional soft candy
  • Dosage: 0.8–1.2%
  • Function: Optimizes gel elasticity, reduces brittleness, creates bouncy texture

Our Product Competitive Advantages 

Differentiate your products from generic prebiotic ingredients with our premium Larch Arabinogalactan:
  • Authoritative Prebiotic & Immune Credibility: Fully compliant with FDA §172.610 and FCC standards; backed by complete PMC clinical data, supporting compliant prebiotic and immune health marketing claims
  • High-Purity Stable Batch Quality: ≥98% arabinogalactan content, zero fillers; fixed 6:1 monosaccharide ratio, consistent batch-to-batch efficacy avoiding potency fluctuation
  • Premium Source Safety: Imported North American larch heartwood, pure water physical extraction, no chemical solvent residue; allergen-free, non-GMO for global clean-label markets
  • Formulation Compatibility Advantage: Neutral taste, no odor interference; 100% water-soluble without precipitation; compatible with probiotics, colloids and most active ingredients
  • Full Document & Technical Support: Complete COA, GRAS certification, clinical abstracts and customs clearance files; professional formula dosage guidance and production optimization service
  • Reliable Bulk Supply: Large inventory reserve, stable annual output, supporting long-term framework orders and fast global door-to-door delivery

Ready to try  Arabinogalactan for your business? Contact us at info@xianherb.com for a free sample or wholesale price list.