Plant Sterols

Plant Sterols (Phytosterols)

High-Purity Plant-Derived Sterol Complex | Supports Healthy Cholesterol Levels & Skin Barrier Function

(Powder, Tablets and Capsules)

Parameter Specification
Source Non-GMO fermentation-derived / sustainable vegetable oils
CAS Number 83-46-5 (β-Sitosterol)
Total Sterols ≥99.0% (GC-FID)
Composition Profile β-Sitosterol: 45–55%; Campesterol: 20–30%; Stigmasterol: 15–25%
Test Method GC-FID (sterol profile), ICP-MS (heavy metals), Titration (purity)
Appearance White to off-white crystalline powder
Packaging 25 kg/drum with double food-grade polyethylene liners; smaller sizes available
Key Properties Natural phytosterol complex, oil-soluble, stable crystalline form, non-GMO, vegan
Application Dietary supplements, functional foods, heart health formulations, cosmetics, personal care

Cardiovascular & Functional Health Powerhouse

SRBio Plant Sterols (Phytosterols) is a high-purity, naturally derived sterol complex produced through advanced non-GMO fermentation technology. As a clinically established ingredient for cardiovascular wellness, this phytosterol blend supports healthy cholesterol levels through a well-documented mechanism of action. SRBio’s proprietary fermentation and purification platform ensures exceptional purity, consistent composition, and formulation-ready performance for a wide range of dietary supplement, functional food, and personal care applications.


Uncompromising Quality: SRBio’s Manufacturing Excellence

1. Precision Purity & Composition Control

Parameter SRBio Standard Industry Typical Test Method
Total Sterols ≥99.0% 90.0% – 95.0% GC-FID (AOAC 994.10)
β-Sitosterol 45–55% 40–50% GC-FID (USP <1724>)
Campesterol 20–30% 20–30% GC-FID
Stigmasterol 15–25% 15–25% GC-FID
Free Cholesterol ≤0.1% 0.5% – 2.0% Enzymatic Colorimetry
Heavy Metals (Total) <10 ppm ≤20 ppm ICP-MS (USP <232>/<233>)
Lead (Pb) <0.5 ppm ≤1.0 ppm ICP-MS
Arsenic (As) <0.5 ppm ≤1.0 ppm ICP-MS
Cadmium (Cd) <0.1 ppm ≤0.5 ppm ICP-MS
Mercury (Hg) <0.05 ppm ≤0.1 ppm ICP-MS
Loss on Drying ≤1.0% ≤2.0% Karl Fischer
Residue on Ignition ≤0.2% ≤0.5% USP <281>
Peroxide Value ≤1.0 meq/kg ≤5.0 meq/kg AOCS Cd 8b-90
Residual Solvents Class 1: ND; Class 2: <10 ppm Variable HS-GC-MS

2. Advanced & Sustainable Production Technology

Proprietary Fermentation Platform
SRBio utilizes optimized non-GMO Saccharomyces cerevisiae strains for high-yield sterol production. This advanced fermentation approach ensures:

  • Superior consistency: Independent of seasonal and geographic variability

  • Non-animal origin: Suitable for vegan formulations

  • Reduced environmental impact: Lower energy and water consumption compared to plant extraction

  • High yield: Achieves sterol concentrations significantly above industry averages

Solvent-Free Extraction & Purification

  • Supercritical CO₂ Fractionation: Environmentally friendly extraction at 300 bar and 60°C eliminates organic solvent residues

  • Molecular Imprinting Chromatography: Proprietary technology removes free cholesterol to ≤0.1%, ensuring clean label compliance

  • Controlled Crystallization: Optimized conditions yield uniform crystalline particles with consistent morphology

Precision Esterification Options
For enhanced formulation versatility, SRBio offers enzymatic esterification using immobilized lipase technology (≥98% conversion):

Ester Type Properties Applications
Fatty Acid Esters (C8–C18) Oil-soluble, emulsion-friendly Softgels, functional spreads, lipid-based formulations
Glycosides Water-soluble Beverages, clear liquid supplements
Ferulic Acid Conjugates Enhanced antioxidant properties Cosmeceuticals, anti-aging formulations

Superior Stability & Shelf-Life

  • Long-Term Stability: Retains ≥98% potency after 48 months under ambient conditions (≤25°C, ≤60% RH) in sealed, light-protected packaging

  • Oxidation Control: Low peroxide value (≤1.0 meq/kg) ensures minimal oxidation; nitrogen-flushed packaging with oxygen absorbers maintains stability

  • Light Protection: Amber containers or foil packaging protect against UV-induced degradation


Scientific & Functional Overview for Nutritional & Cosmetic Applications

1. Cardiovascular Health Support

Cholesterol Management Mechanism
Plant sterols structurally resemble cholesterol and help maintain healthy cholesterol levels by competing with dietary and biliary cholesterol for absorption in the intestines. This mechanism, supported by extensive scientific research, contributes to cardiovascular wellness when used as part of a balanced diet.

Regulatory Recognition
The European Food Safety Authority (EFSA) has approved health claims linking plant sterols to the maintenance of normal blood cholesterol levels. SRBio provides full documentation to support regulatory submissions for health claims.

2. Formulation Synergies for Heart Health

Plant sterols are highly compatible with other cardiovascular wellness ingredients, enabling synergistic formulations:

  • Omega-3 Fatty Acids: Complementary mechanisms for comprehensive cardiovascular support

  • Red Yeast Rice: Combined approach for maintaining healthy lipid profiles

  • Coenzyme Q10: Supports energy metabolism alongside cholesterol management

  • Soluble Fiber: Enhanced cholesterol-lowering effects through dual mechanisms

3. Skin Barrier Function & Dermatological Benefits

Barrier Repair Support
Phytosterols help support and restore the skin’s natural barrier function by integrating into the lipid matrix of the stratum corneum. They work synergistically with ceramides to improve hydration and protect against environmental stressors.

Anti-Aging Properties

  • Supports collagen health and skin elasticity

  • Exhibits soothing properties beneficial for sensitive or mature skin

  • Provides emollient effects without greasiness

Cosmetic Applications
Widely used in anti-aging creams, barrier repair moisturizers, and serums at concentrations typically ranging from 0.5% to 3.0%.

4. Metabolic & Immune Support

Plant sterols have been studied for their broader metabolic and immune-supporting properties, including:

  • Insulin Sensitivity: May support healthy glucose metabolism

  • Inflammatory Response: Contributes to normal inflammatory balance

  • Cellular Health: Supports overall cellular function and vitality


Technical Specifications & Formulation-Ready Advantages

Parameter SRBio Plant Sterols Standard Test Method
Appearance White to off-white, free-flowing crystalline powder Visual Inspection
Total Sterols ≥99.0% GC-FID
β-Sitosterol 45–55% GC-FID
Campesterol 20–30% GC-FID
Stigmasterol 15–25% GC-FID
Free Cholesterol ≤0.1% Enzymatic Colorimetry
Melting Point 135–145°C USP <741>
Loss on Drying ≤1.0% Karl Fischer
Residue on Ignition ≤0.2% USP <281>
Solubility Soluble in oils, fats, and organic solvents; insoluble in water USP <1236>
Bulk Density 0.45 – 0.65 g/mL USP <616>
Particle Size (D90) ≤100 μm (customizable) Laser Diffraction
Peroxide Value ≤1.0 meq/kg AOCS Cd 8b-90
Heavy Metals (Total) <10 ppm ICP-MS
Total Aerobic Microbial Count ≤100 CFU/g USP <61>
Total Yeast & Mold Count ≤50 CFU/g USP <61>
E. coli / Salmonella Negative /25g USP <62>

Formulation-Ready Benefits by Application:

Application Key Advantage
Dietary Supplements (Softgels) Readily soluble in oil carriers; stable in gelatin or vegetarian softgel formulations.
Dietary Supplements (Capsules) Excellent flowability for hard-shell capsules; compatible with other lipophilic ingredients.
Tablet Formulations Can be incorporated into tablet blends with appropriate excipients for heart health products.
Functional Foods Suitable for incorporation into spreads, margarines, dairy products, and fortified foods.
Functional Beverages Water-soluble glycoside forms available for clear beverage applications.
Cosmetics & Personal Care Easily incorporated into the oil phase of emulsions; stable in creams, lotions, and serums.

Supply Chain & Compliance Leadership

1. Audited Transparency & Traceability

Full Traceability: Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing total sterols, composition profile, free cholesterol, heavy metals, microbiology, and physical properties. Complete fermentation and purification records are available for qualified client audits.

Rapid Sampling: 50 g or 500 g R&D samples shipped within 72 hours with full COA + MSDS.

2. Global Regulatory Certifications

Certification / Compliance Status
ISO 22000 & FSSC 22000 Certified (all production sites)
Kosher & Halal Certified
Non-GMO Verified; fermentation strains and raw materials are non-GMO
Allergen-Free Statement Gluten-free, soy-free, dairy-free, egg-free, peanut-free (ELISA tested)
Vegan Fermentation-derived, no animal inputs
EFSA Health Claim Support Documentation available for cholesterol reduction claims
FDA GRAS Generally Recognized as Safe for food applications
USDA BioPreferred® Certified
IPEC/GMP Compliant for pharmaceutical excipient applications

3. Supply Chain Resilience

  • Global Capacity: 20 MT/month standard, expandable to 50 MT

  • Inventory Buffer: 6-month safety stock maintained in EU, US, and APAC hubs

  • Redundant Manufacturing: Multiple fermentation lines and purification trains ensure uninterrupted supply

  • Blockchain Traceability: Batch-level tracking for full supply chain transparency

  • Disruption Plan: Dual sourcing for all critical inputs


Competitive Breakdown: SRBio vs. Market Alternatives

Capability SRBio Plant Sterols Standard Market Grade
Total Sterols ≥99.0% 90.0% – 95.0%
Free Cholesterol ≤0.1% 0.5% – 2.0%
Batch-to-Batch Consistency ±1.0% total sterols variance ±5.0% or higher
Heavy Metals <10 ppm total ≤20 ppm or higher
Peroxide Value ≤1.0 meq/kg ≤5.0 meq/kg, often higher
Residual Solvents None detected May contain hexane or ethanol residues
Particle Size Control Customizable 0.1–50 μm Limited, typically >100 μm
Oxidation Stability 48 months real-time data 24 months extrapolated
Documentation Full COA, composition profile, regulatory dossiers Limited or incomplete
Lead Time (1 MT) 21 days 60–90 days
Active Regulatory Dossiers 14 global ≤3

Technical Partnership Program

1. Co-Development Services

Formulation Support
Our applications lab can assist with:

  • Solubility and compatibility studies in oil-based systems (softgels, emulsions)

  • Stability testing in finished formulations (capsules, spreads, creams)

  • Synergy studies with omega-3s, stanols, prebiotics, and other heart-health ingredients

  • Bioavailability enhancement through nanoemulsions or cyclodextrin inclusion complexes

  • Custom particle size for specific formulation requirements

Advanced Delivery Systems

  • Nanoemulsions: High-shear homogenization achieving D90 <200 nm for enhanced bioavailability

  • Liposomal Delivery: Improved absorption for cosmeceutical and supplement applications

  • γ-Cyclodextrin Complexes: Enhanced water solubility for beverage applications

  • Enteric Coatings: pH-triggered release for targeted intestinal delivery

Analytical Method Transfer
We provide validated GC-FID methods for accurate quantification of sterol profiles in finished products, enabling seamless integration into your quality management system.

2. Market-Ready Solutions

Custom Premixes for Heart Health

Blend Name Composition Target Application
CardioBalance™ Plant Sterols + Omega-3 (EPA/DHA) + CoQ10 Cardiovascular wellness softgels
Cholesterol Support Complex Plant Sterols + Red Yeast Rice + Bergamot Heart health supplements
Fiber-Sterol Blend Plant Sterols + Soluble Fiber (psyllium/beta-glucan) Functional foods, powdered mixes
Metabolic Health Formula Plant Sterols + Berberine + Chromium Metabolic wellness formulations

Custom Premixes for Skin Care

Blend Name Composition Target Application
Barrier Repair Complex Plant Sterols + Ceramides + Squalane Moisturizers, barrier repair creams
Anti-Aging Serum Base Plant Sterols + Vitamin E + CoQ10 Anti-aging serums, night creams
Soothing Skin Blend Plant Sterols + Oat Extract + Allantoin Sensitive skin formulations

Private Label Ready
Turnkey formulations available for:

  • Softgels (500 mg, 1000 mg plant sterols)

  • Hard-shell capsules (standardized sterol blends)

  • Functional spreads and margarines

  • Anti-aging creams and barrier repair moisturizers

  • Powdered drink mixes for heart health


Sustainability Leadership

  • Carbon Negative Process: -2.1 kg CO₂e per kg of product

  • Zero Wastewater: Closed-loop water recovery system

  • Renewable Energy: Manufacturing facilities powered by renewable sources

  • USDA BioPreferred® Certified: Recognized for biobased content


Partner with SRBio for High-Purity, Formulation-Ready Plant Sterols

Ready to formulate with the industry’s most consistent, high-purity plant sterols? Request custom samples, technical dossiers, or discuss co-development opportunities for your next-generation heart health supplements, functional foods, or advanced skin care products.

→ Email: admin@plantextractssr.com

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OEM SERVICE

We offer all-inclusive product development from consultation to delivery.
We make product proposals based on the customer’s requirements, from small to large lots.

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