Global Sugar Reduction Partner

Best Stevia Plant Extract Factory & Exporters

Pioneering high-purity steviol glycosides, advanced enzymatic conversion systems, and custom formulation solutions for global clean-label food, beverage, and nutraceutical brands.

Industrial Intelligence

The Evolution of Stevia Plant Extract & Global Market Demands

The global sugar reduction landscape has shifted fundamentally from chemical sweeteners (such as aspartame and acesulfame potassium) toward clean-label, plant-based sugar substitutes. Underpinned by surging sugar tax implementations across North America, Europe, and Latin America, food manufacturers require robust botanical options that match the sweetening dynamics of sucrose without off-tastes.

Stevia extract, derived from the leaves of the Stevia rebaudiana plant, contains sweet-tasting compounds known as steviol glycosides. These glycosides—including Rebaudioside A, Rebaudioside D, Rebaudioside M, and Stevioside—provide a sweetening intensity up to 250 to 450 times that of standard sucrose. However, formulating high-solubility, pleasant-tasting stevia requires advanced molecular-level extraction and isolation processes that only top-tier manufacturers can consistently deliver at scale.

Critical Trend: The industrial transition from Reb-A (which has a known lingering bitter, licorice-like aftertaste at higher concentrations) to complex steviol glycosides like Reb-M and Reb-D. This transition demands high-efficiency enzymatic modification lines and advanced chromatography extraction systems.

Stevia Chemical Profile & Sweetness Metrics

Glycoside Type Sweetness Factor Taste Profile characteristics Focus Level
Rebaudioside A 250x - 300x Sweet, with lingering bitter/metallic notes Industry Base
Rebaudioside D 350x - 400x Clean taste, rapid sweetness onset, low bitterness Premium Blend
Rebaudioside M 400x - 450x Closest profile to sugar, virtually no aftertaste Ultra Premium
Stevioside 150x - 250x Moderate sweetness, strong licorice aftertaste Industrial Use
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Manufacturer Profile

About UniCare

UniCare is a professional supplier of natural active ingredients. Our products are widely used in various fields such as dietary supplement, food, cosmetics and pharmaceuticals. We focus on product development and quality stability, and insist on growing together with our customers around the world.

UniCare has deep cooperation with several excellent Chinese manufacturers who have complete quality management system certifications, including but not limited to GMP, EUGMP, CEP, ISO9001, ISO22000, and HACCP. Each factory has independent testing capabilities and is equipped with advanced and efficient testing equipment to ensure the high quality and long-term stability of each batch of products.

Company Philosophy

Driving biotechnology innovation to redefine standard parameters in natural ingredients production.

Discover value

Discover and create the new value of herb

Unlocking the molecular potential of traditional botanicals to serve modern nutritional demands.

Continuous innovation

Continuous innovation and improvement

Regularly upgrading processing machinery and bio-extraction paths to increase purification yields.

Advanced technology

Advanced Tech & Premium Quality

Combining cutting-edge chromatographical separations with industrial scale automation.

Happy employees

Social Value & Employee Growth

Ensuring sustainable harvesting practices while fostering an inclusive, high-standard workspace.

Production Infrastructure

Why Choose UniCare?

UniCare attaches great importance to the hardware conditions of production equipment and has the largest and most advanced extraction factory in China. The entire production line in UniCare is controlled by a modern, intelligent, automatic control system. Until now, UniCare has built up two GMP workshops, containing six multi-functional extraction lines, among which there is the only production line for Ginkgo Biloba Extract of acetone process in the whole China. Here are several other production lines including fermentation production lines and Chinese medicine pieces. A total of 30,000 tons of various Chinese medicine plant raw materials can be processed each year.

UniCare Production Line Diagram
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China GMP Certified

Our primary manufacturing facility has strictly passed and maintained the national China GMP certification protocol.

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EU-GMP & CEP Standards

The EU-GMP and CEP of Ginkgo Biloba Extract has been certified, establishing high global standards.

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Intelligent Control Systems

All extraction production lines adopt modern, intelligent, and automated control systems to reduce human variability.

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Advanced Chinese Infrastructure

Equipped with the most sophisticated extraction machinery and systems currently developed in China.

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30,000 Tons Annual Yield

Annual processing threshold of 30,000 tons of Chinese medicine and plant raw materials guarantees supply stability.

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Six Processing Lines

Includes 3 annular dynamic countercurrent extraction lines (10T & 15T), 2 multi-functional lines (32 tanks, 6 cubic meters each), and 1 round dynamic line (10T).

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Exclusive Acetone Line

Own the only acetone process extraction line for Ginkgo Biloba Extract in China meeting EU GMP standards.

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Enzymatic Modification & Fermentation System

Operates six high-performance fermentation tanks (20 tons capacity each) designed for enzyme-modified products. This system allows the structural modification of steviol glycosides to produce high-value sweetening agents like Reb-M and Reb-D from natural precursor molecules.

Rigorous Quality Control System

Ensuring complete chemical safety, content precision, and regulatory traceabilities for international markets.

United New Life (UniCare) has established a leading and complete quality control system, and strictly controls the high quality of products in accordance with the quality system. With advanced testing instruments and strict control of product quality, we provide every customer with high-quality products.

Detectable Items Include:

  • Signature Component Analysis: Tested using high-precision HPLC or UV spectroscopy.
  • Residual Solvents & Gas Chromatography: GC analysis to verify zero harmful volatile organic compound residues.
  • Pesticide Residues: Detailed screening via GC-MS-MS systems (specifically targeting organochlorine and other banned compounds).
  • Heavy Metals Profiling: Multi-element analysis targeting Lead (Pb), Arsenic (As), Mercury (Hg), Cadmium (Cd), and Copper (Cu) using ICP-MS microscopic identification.
  • Physical & Chemical Controls: Strict testing of moisture, dry weight loss, total ash, microscopic thin-layer identification, weighing, electrical conductivity, pH value, and sulfur dioxide residue limits.

Quality Control Parameters

Analysis Type Key Parameters Evaluated
Active Ingredient Analysis Assay verification, HPLC/UV chemical fingerprint identification
Hazardous Substance Analysis Heavy metals content, multi-class pesticide residue, residual solvent limits
Microbe Analysis Total plate count, Escherichia coli, Yeast & mould, specific pathogen testing
Raw Material Control Pesticide check, allergen identification, GMO tracing, plant geographic origin
Laws & Regulations Continuous compliance verification with EU, FDA, and China botanical regulations
Stability Test Shelf-life evaluation under accelerated and long-term environmental chamber conditions
Others pH, moisture, ash, optical rotation, particle size distribution, bulk density

Central Lab Analytical Equipment

Our central laboratory is qualified by CNAS. We utilize premium global scientific instrumentation to run validation tests on every single batch before dispatch.

UHPLC Systems

2x Agilent 1290 Ultra-High Performance Liquid Chromatographs

HPLC Units

4x Agilent 1260 & 2x Shimadzu LC-20AT High-Performance Liquid Chromatographs

Gas Chromatography

1x Shimadzu GC-2010 Gas Chromatograph for solvent residue analyses

Spectroscopy

1x Shimadzu AA-7000 Atomic Absorption System for heavy metals detection

Lab Agilent 1 Lab HPLC 2 Lab Shimadzu 3 Lab GC 4 Lab AA 5
Cooperation & Research

R&D and Sourcing Management

UniCare invests 10% of our annual net profit in research and development. In addition to optimizing and developing the existing natural plant extraction process, we have established a professional R&D department for natural fermentation products. By increasing investment in natural fermentation, we try to break through traditional processes and disrupt industry development.

We maintain deep cooperation with the Beijing University of Chemical Technology in the field of fermentation, jointly developing and transforming new raw materials of pharmaceutical, cosmetic, and natural health products into mass-produced products.

UniCare R&D Team
Supply Chain Integrity

Raw Material Planting & Procurement

In order to control raw materials efficiently and with higher quality, a raw material procurement system has been established, extending procurement to every piece of planting land and tracing the raw materials of each batch. The storage of raw materials is operated according to the advanced quality management system process, and active ingredients, moisture, ash, heavy metals, pesticide residues, and other parameters are strictly controlled.

To further ensure the high quality of important products, UniCare cooperated with farmers to establish ginkgo leaf planting bases, epimedium planting bases, phellodendron planting bases, and olive leaf planting bases. Some of these bases are operated strictly in accordance with the GACP management model. We also cooperate with seedling research companies to develop high-content cultivars through hybridization or gene optimization to reduce unit costs for users.

Botanical Sourcing Fields

Industrial Stevia Formulation & Selection Guide

Key technical criteria for global food and beverage procurement executives.

Solubility & pH Stability

Stevia extracts display excellent stability across a wide pH range (2.0 to 10.0), making them highly suitable for carbonated soft drinks, fruit juices, and acidified foods. Pure Reb-A can present crystallization issues in concentrates, but advanced enzymatic modifications overcome these limits.

Thermal Processing Resiliency

Unlike aspartame, steviol glycosides are thermally stable at high temperatures up to 200°C (392°F). This structural integrity makes them ideal for HTST pasteurization, UHT processing, and industrial baking without losing sweetness intensity.

Synergistic Blending Matrix

Combining Stevia with erythritol, allulose, monk fruit, or sugar alcohols helps mimic the bulk density and sensory mouthfeel of sucrose. Strategic formulation reduces the lingering sweet taste profile and masks bitter notes in plant protein bases.

Stevia Plant Extract: B2B Sourcing FAQ

Answers to critical regulatory and technical questions from international procurement managers.

Q1: What certifications do your Stevia Plant Extract batches carry?

Our partner manufacturing facilities operate under strict compliance with GMP, ISO9001, ISO22000, and HACCP standards. For international entry compliance, we provide certificate documentation including Kosher, Halal, Non-GMO verification, and COA analysis per batch.

Q2: How does Reb-M compare to Reb-A in terms of formulation cost?

Although pure Rebaudioside M (Reb-M) carries a higher initial raw material cost than Rebaudioside A (Reb-A), its taste profile is significantly cleaner, requiring less masking agent. This lowers the total formulation cost for premium, low-calorie beverages.

Q3: How do you guarantee the absence of heavy metals and pesticide residues?

We verify the purity of our extracts utilizing ICP-MS for heavy metals (detecting Lead, Arsenic, Cadmium, Mercury, and Copper down to PPB thresholds) and advanced GC-MS-MS for multi-residue pesticide screening in our CNAS-qualified laboratory.

Q4: Can Stevia Extract be customized for specific product formulations?

Yes. We offer custom-engineered ratios of steviol glycosides (e.g., tailored Reb-A/Reb-D/Reb-M blends) to optimize solubility, sweetness release times, and cost-efficiency based on your specific application requirements.

Q5: What is the typical shelf life and storage protocol for your plant extracts?

Our standard stevia and botanical extracts offer a certified 24-month shelf life when stored in original sealed fiber drums in a cool, dry environment away from direct sunlight and humidity.

Q6: What is the lead time for global shipments from your Chinese factory?

Standard inventory items ship within 7–10 working days from the factory. Custom formulations, specific milling meshes, or large-scale contractual orders are fulfilled within 15–25 days, supported by our logistics network.