Custom OEM Dietary Fiber Sources Factories & Exporter

B2B Manufacturing Partner • Advanced Prebiotic & Fiber Extraction • Shaanxi Diaries Biotech

Premium Active Compounds & Extract Raw Materials

Explore our top-tier manufacturing inputs, standard extracts, and technological equipment for high-performance product formulation.

L-Cysteine Compound Amino Acids Agrochemical Intermediates CAS 52-90-4 99% Purity Extensive Application Shaanxi Origin Stock

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Wholesale Transparent MABS Taiwan Chi Mei PA-758 758R High Impact Injection Molding Plastic Raw Material For Sports Equipment

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Food Grade Antioxidant Alpha Lipoic Acid Powder 99% CAS 1077-28-7 Nutrient Supplements

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Raw Probiotics Powder Supplement With Prebiotic Probiotics 100 Billion CFU 34 and Digestive Enzymes Probiotic Capsule

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Supply High Quality Sialic Acid Powder Cosmetic Grade CAS 131-48-6 N-acetylneuraminic Acid Sialic Acid

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High Purity Bakuchiol 98% CAS 10309-37-2 Cosmetic Active Ingredient

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Cosmetic Lab Lyophilizer Preserve Active Ingredients in R&D

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Customized Stainless Steel Multi-Functional Extraction Equipment Essential Oil Natural Pigment Coffee Extractor

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Global B2B Sourcing: The Evolution of Dietary Fiber

Meeting the complex demands of multinational brands with high-performance, functional fiber configurations.

70,000+ Sqm Production Base

6 Advanced Extraction Lines

5,000+ Global Partners Served

80+ Countries & Regions

Information Gain: Prebiotic Complexity

Dietary fiber sourcing has transitioned from simple, inert bulking agents to highly complex, bioactive structures designed to modulate the gut microbiome. Modern food science focuses on the selectively fermented ingredients that yield Short-Chain Fatty Acids (SCFAs), notably butyrate, acetate, and propionate. Choosing a premium supplier ensures that fibers maintain their structural integrity throughout processing, offering a higher prebiotic index and enhanced physiological utility.

B2B Sourcing Bottlenecks Solved

Procurement managers face several hurdles: viscosity variance, high-temperature structural degradation, clean-label compliance, and unwanted taste impact. A premium OEM/ODM partnership resolves these challenges through strict standardization processes. By using customized mesh sizes, controlled molecular weights, and rigorous organoleptic profiling, Shaanxi Diaries Biotech matches physical fiber properties with your exact product viscosity parameters.

Formulation Stability & Rheology

Adding dietary fiber to foods can alter water activity, dough rheology, and emulsion stability. For example, insoluble fibers like oat and bamboo absorb large amounts of water, which affects bakery crumb structure. Soluble options, such as resistant dextrins, can alter the sensory profile of functional beverages if they contain residual starch. Shaanxi Diaries Biotech optimizes these parameters at the molecular level, ensuring consistent mouthfeel and processing stability.

About Shaanxi Diaries Biotech Co., Ltd.

Bridging Natural Science and Global Industrial Manufacturing Since Inception.

Shaanxi Diaries Biotech Co., Ltd. is a modern high-tech enterprise specializing in the research and development, production, and global distribution of plant extracts, natural raw materials, and functional ingredients for the health, food, and cosmetic industries. Located in Xi’an, Shaanxi Province, China, our advanced facility spans over 70,000 square meters. It is equipped with six advanced plant extraction production lines, fine extraction workshops, and modern processing facilities designed to serve tier-one global clients.

With strong technical expertise and advanced manufacturing capabilities, the company is committed to providing high-quality, safe, and effective natural solutions to customers worldwide. Our products are widely used in dietary supplements, functional foods and beverages, cosmetics, personal care products, animal nutrition, and agricultural applications. Over the years, Shaanxi Diaries Biotech has built long-term partnerships with more than 5,000 companies across over 80 countries and regions, earning a strong reputation for reliability, consistency, and innovation in the natural ingredients industry.

We also provide professional OEM/ODM services, including formulation support, product development, and private label manufacturing to meet diverse market needs. By combining advanced biotechnology with natural resources, Shaanxi Diaries Biotech Co., Ltd. strives to become a trusted global supplier of plant-based ingredients and a long-term partner in the health and wellness industry.

Industrial Classification & Macro-Industry Solutions

How different classes of dietary fibers operate under industrial environments and physiological contexts.

Fiber Category	Common Raw Material Sources	Physiological Functionality	Industrial Advantage & Processing Application
Soluble Prebiotic Fiber (e.g., Inulin)	Chicory Root, Jerusalem Artichoke	Highly bifidogenic, supports healthy gut flora, increases short-chain fatty acid (SCFA) synthesis.	Excellent fat-replacer, mimics lipid mouthfeel, stable in low-pH and pasteurization setups.
Resistant Dextrin (Soluble Corn Fiber)	Starch-derived, enzymatically modified	Extremely high digestive tolerance, regulates postprandial glucose levels, minimal gas production.	High water solubility, clean sensory profile, remains stable under harsh thermal processes.
Polydextrose	D-glucose synthetic polymerization	Acts as a low-calorie bulk agent, slow fermentation rate, supports colon-length microbiome health.	Adds body and texture in sugar-reduced formulations, humectant properties, prevents crystallization.
Insoluble Structural Fibers	Oat, Bamboo, Sugar Beet, Apple pulp	Promotes bowel motility, physical bulking, limits transit time.	High oil/water binding capacity, excellent texturizer for bakery and meat alternatives.

To ensure optimal efficacy, formulation engineers must balance the ratio of soluble to insoluble fibers. For example, in bakery applications, a 3:1 ratio of soluble to insoluble fiber helps maintain moisture and extends shelf life without disrupting the crumb structure. In beverage formulations, using only high-purity, fully soluble fibers (such as resistant dextrin or inulin with a polymerization index > 10) prevents sedimentation and haze formation, which helps preserve product clarity.

Technology Roadmap & Future Outlook

Future-proofing your ingredient supply chains with precision biotechnology and green chemistry.

01 Precision Microbiome Modulation

Future dietary fibers will be tailored to target specific gut microbiota strains. We are developing fibers with precise molecular branching patterns to nourish key taxa, such as Akkermansia muciniphila and Faecalibacterium prausnitzii, which play a central role in maintaining mucosal barrier integrity.

02 Enzymatic and Synthesis Advancements

Traditional extraction is transitioning to green enzymatic synthesis. By utilizing specialized recombinant enzymes, we produce clean-label dietary fibers from agricultural by-products. This approach reduces chemical waste while yielding highly consistent prebiotic structures.

03 Synergistic Synbiotics (Pre + Pro)

The next generation of wellness products features targeted synbiotic formulations. We co-develop dietary fiber matrices designed to feed specific probiotic strains, such as Bacillus subtilis or Bacillus licheniformis. This approach improves probiotic survival rates and maximizes overall efficacy.

GMP Manufacturing & Production Facilities

An inside look at our 70,000 square meter state-of-the-art processing facility located in Xi'an, China.

Materials Mixing

Automatic Filling

Packaging

Filling Machine

Packaging Machine

Automatic Mixing Machine

Pure Water Machine

Boiler

Extracting Tank

Concentration Equipment

Quality Assurance & Certifications

Rigorous quality control systems built to meet international regulatory standards.

We operate under strict GMP-compliant manufacturing systems, ensuring that every stage—from raw material selection and extraction to final packaging—is carefully controlled and standardized. Our facilities are supported by a modern quality inspection and testing center, enabling comprehensive monitoring of product purity, stability, and safety.

Shaanxi Diaries Biotech maintains a rigorous quality management system that meets international standards. Most of our products are certified under globally recognized systems, including: HACCP, ISO22000, ISO9001, USDA Organic, EU Organic, Kosher, Halal, and FDA compliance. With strong quality control procedures and continuous improvement practices, we are dedicated to delivering consistent, traceable, and premium-grade ingredients to our global partners.

Traceability from Seed to Extract

Every batch of dietary fiber undergoes full DNA verification of the source material. We track agricultural inputs, harvesting schedules, and extraction parameters to guarantee identity, purity, and safety.

Contaminant Analysis

We use advanced testing methods (ICP-MS, GC-MS/MS) to monitor products for heavy metals (lead, arsenic, cadmium, mercury), pesticide residues (USP <561>), and micro-contaminants, ensuring compliance with global safety standards.

Global Compliance Support

We provide comprehensive documentation, including CoAs, Allergen Statements, GMO declarations, and BSE/TSE statements, to help simplify regulatory registrations across North America, the EU, and Asia.

Technical Q&A: Dietary Fiber Sourcing

Answers to common technical questions from R&D team leaders, formulation scientists, and purchasing managers.

Q1: What is the main difference between prebiotic soluble fiber and traditional bulking agents? ▼

Prebiotic soluble fibers, such as inulin and resistant dextrin, undergo selective fermentation by beneficial gut bacteria in the colon, producing short-chain fatty acids (SCFAs) like butyrate. In contrast, traditional bulking agents (like insoluble cellulose) pass through the digestive system relatively unchanged. They promote bowel movements through physical bulk but offer minimal prebiotic activity.

Q2: How do your plant extracts maintain stability under high-temperature processes? ▼

We adjust extraction and polymerization parameters to select molecular structures with high thermal stability. For example, our resistant dextrins remain stable at temperatures up to 120°C and under acidic conditions, making them ideal for UHT pasteurization and high-heat baking processes.

Q3: What certifications do your dietary fiber and plant extract products hold? ▼

Our facilities are certified under HACCP, ISO22000, and ISO9001 quality management systems. For specialized dietary requirements, we offer products certified under USDA Organic, EU Organic, Kosher, and Halal standards, as well as products compliant with FDA regulations.

Q4: Can Shaanxi Diaries Biotech customize the particle size (mesh) and solubility of fiber powders? ▼

Yes, we provide customizable physical properties to meet different application needs. We offer mesh sizes ranging from 80 mesh (ideal for capsules and tablets) to 200 mesh superfine powder (ideal for ready-to-drink beverages and instant mixes that require fast solubility and a smooth mouthfeel).

Q5: How does your OEM/ODM service support custom formulations? ▼

We provide full-service support, from raw material sourcing and synergistic formulation design (such as combining dietary fibers with probiotics, amino acids, or herbal extracts) to pilot-scale testing, final packaging, and private label manufacturing.

Industrial Grade Ingredients & Advanced Formulations

Broadening the product ecosystem with specialized food-grade additives, chemical intermediates, and health supplements.

Maltodextrin Food Grade Powder DE15-20 Highly Soluble 99.4% Cold Water Soluble 25kg/bag Ready-to-Drink Beverages and Shakes

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30 Tone 10ml High Concentration Water Based Dye Resin Pigment 20 Bottles 0.35 Fl Oz Each Alcohol Free Odorless Non Toxic

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Food Grade Benzoic Acid Powder/Granules Sodium Preservatives and Antioxidants in Bulk for Food Manufacture

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YiHao Top Purity Bacillus Subtilis Probiotics Powder High Quality Light Tan ISO Certified Feed Grade Enhances Immunity Shrimp

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High Activity Bacillus Licheniformis Powder 50 Billion CFU/g Heat Resistant Probiotic For Feed Additive & Soil Conditioner

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OEM ODM Private LabelImmune Support Organic Daily Whole Food Multi Vitamin And Mineral Supplement Complete Multivitamin Tablets

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99% Purity Plant Extract Raw Material Dhh-B Dihydrohonokiol Dhh-B CAS 219565-74-9 Health Supplement Dihydrohonokiol Dhh-B

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SIWEI Food Grade Supplements CAS 56-84-8 Amino Acids Powder L-Aspartic Acid 99% Purity White 25kg/drum Model SW03-04

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