E-HPLC Tested Chondroitin

Testing method matters more than you think.

E-HPLC Tested Chondroitin

The testing method matters more than you think

The Industry Reality

Chondroitin is one of the most complex and frequently mischaracterized ingredients in the supplement market. Variability in raw materials, sourcing, and testing methods can lead to:

  • Inconsistent potency results

  • Misidentified material

  • Challenges in validating label claims

Why E-HPLC Matters

E-HPLC allows for:

  • True identity verification
  • Accurate differentiation of sulfated structures
  • Detection of non-specific or adulterated materials
  • Greater alignment with modern analytical expectations

Not All Testing Is Equal

There are multiple analytical approaches used in the industry:

CPC (Titration Method)

  • Measures the entire molecule as a whole
  • Commonly used for formulation calculations
  • Does not confirm molecular identity

Standard HPLC

  • Measures total polysaccharide content
  • Does not differentiate similar compounds
  • May overestimate true Chondroitin content

Enzymatic HPLC (E-HPLC)

  • Breaks Chondroitin into specific disaccharide components
  • Measures individual structural markers
  • Provides high specificity and accurate identification

Key Analytical Considerations

  • Advanced Chondroitin testing evaluates:
  • Disaccharide composition (4S / 6S ratios)
  • Identity confirmation prior to potency analysis
  • Acceptable variance between analytical methods
  • Additional purity indicators (sulfates, chlorides, electrophoretic profile)

Building Confidence Into Your Formula

  • When developing products containing Chondroitin:
  • Verify identity before potency
  • Understand which method is being used
  • Align testing methods with modern analytical standards
  • Work with suppliers who prioritize transparency and verification

“Testing methodologies referenced reflect established industry practices and publicly available compendial standards.”

A New Chapter For ASI Specialty Ingredients

Formerly ASI International, ASI Specialty Ingredients reflects the next evolution of a 30+ year multi-generational legacy built on trust and consistent values built to better support today’s pet nutrition market.

While our name is evolving, our commitment remains the same: helping manufacturers navigate sourcing challenges with reliable supply, strong supplier relationships and responsive support.

Customized Sourcing

Solving sourcing challenges by connecting hard-to-find specialties with high-volume staples, tailored to your formulation, volume, & timing.

Reliable Supply

Backed by a supplier network built over 30+ years and a robust national distribution footprint for rapid, reliable delivery.

Confidence Through Compliance

We provide total peace of mind by meeting strict regulatory standards with seamless traceability and compliant documentation.

Responsive Support

A solutions-oriented team of industry experts who understand your challenges, act fast and communicate clearly.

Certifications

ASI Featured Ingredients

Amino Acids

  • Acetyl-L-Carnitine HCL
  • Agmatine Sulfate
  • Beta-Alanine
  • BCAA (Instant & Non Instant)
  • L-5-Hydroxytryptophan
  • L-Alanine
  • L-Arginine Base
  • L-Arginine HCL
  • L-Arginine-A-Ketoglutarate (2:1)
  • L-Arginine-Ethyl-Ester (1:1, 2:1)
  • L-Arginine-L-Pyroglutamate
  • L-Aspartic Acid
  • L-Carnitine Base
  • L-Carnitine Fumarate
  • L-Carnitine HCL
  • L-Carnitine Tartrate
  • L-Carnosine
  • L-Citrulline
  • L-Citrulline Malate (1:1)
  • L-Cysteine
  • L-Cysteine HCL Anhydrous
  • L-Cysteine HCL Monohydrate
  • L-Cystine
  • L-Glutamic Acid Base
  • L-Glutamine
  • L-Glutathione Reduced
  • L-Histidine Base
  • L-Histidine HCL
  • L-Isoleucine
  • L-Leucine
  • L-Lysine HCL
  • L-Methionine
  • L-Ornithine HCL
  • L-Ornithine-A-Ketoglutarate (1:1)
  • L-Ornithine-L-Aspartate
  • L-Phenylalanine

Botanicals, Fruits & Vegetables

Available in conventional, straight powders, extracts, and organic.

  • Acerola
  • Acai
  • Ashwaghanda
  • Bilberry
  • Blueberry
  • Butterbur Root
  • Camu Camu
  • Cat's Claw
  • Chuchuhuasi Bark
  • Citrus Aurantium
  • Cocoa Powder (Natural, Alkalized - High & Low Fat Contents)
  • Cranberry
  • Curcumin/Turmeric
  • Echinacea Herb
  • Epimedium
  • Garcinia Cambogia
  • Ginkgo Biloba
  • Goldenseal Root & Herb
  • Goji Berry
  • Grape Seed
  • Green Coffee Bean
  • Green Lipped Mussel
  • Green Tea
  • Guarana
  • Maca Root
  • Milk Thistle
  • Pumpkin
  • Purple Corn
  • Raspberry Ketone
  • Red Clover
  • Resveratrol
  • Sacha Inchi
  • Saw Palmetto
  • Schisandra
  • Sea Cucumber
  • St. John's Wort
  • Tribulus Terrestris

Specialty Ingredients

  • A-Ketoglutaric Acid
  • Alpha Lipoic Acid
  • Betaine Anhydrous
  • Betaine HCL
  • Bone Meal
  • Caffeine Anhydrous (Natural & Synthetic)
  • Chitosan
  • Chondroitin Sulfate Sodium*
  • Collagen*
  • Colostrum
  • DL-Methionine
  • DL-Phenylalanine
  • DMAE Bitartrate
  • GABA
  • Glucosamine HCL
  • Glucosamine Sulfate
  • Glycine
  • HMRLignan
  • Inositol Nicotinate
  • Melatonin
  • PABA
  • Shark Cartilage

*Available in Bovine, Chicken, Marine & Porcine.

Vitamins

  • D-Biotin
  • Niacin
  • Niacinamide
  • Vitamin A Acetate 500,000 IU/GM
  • Vitamin A Palmitate 250,000 IU/GM
  • Vitamin B-12 USP
  • Vitamin B-12 1% on DCP
  • Vitamin E 50%
  • Vitamin E Succinate 1185 IU/GM
  • Vitamin E Succinate 1210 IU/GM

Sweeteners

High Intensity

  • Sucralose
  • Acesulfame Potassium (Ace-K)
  • Aspartame

Natural

  • Luo Han Guo (Monk Fruit Extract)
  • Stevia
  • Yacon

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