Knowledge for clearer ingredient decisions.
Use LongBio’s buyer guides to compare botanical identity, plant part, extract ratio, marker assay, analytical method, batch evidence and certification scope before approving a raw material.
Three checks before comparing any botanical extract.
How to Review a Botanical Extract COA
A practical checklist for identity, assay, physical tests, contaminants, microbiology and traceability.
Open the COA guide →
02 · ANALYTICAL METHOD
HPLC vs UV vs TLC Testing
Understand what each method measures and why results are not automatically interchangeable.
Compare test methods →
03 · GRADE COMPARISON
Compare Botanical Extract Specifications
Separate raw powders, ratio extracts and standardized extracts before supplier qualification.
Open the framework →
Compare the grade before requesting the sample.
Green Tea Extract Specifications
Compare polyphenols, EGCG, caffeine requirements, methods and sensory considerations.
Read buyer guide →
STANDARDIZED VS RATIO
Milk Thistle: Silymarin vs 10:1
Understand why a silymarin assay and a ratio extract describe different purchasing specifications.
Read buyer guide →
POWDER VS EXTRACT
Elderflower Powder vs 10:1
Compare source material, processing, sensory profile and formulation fit.
Read buyer guide →
SOURCE FRACTION
Brown Rice Extract vs Rice Bran
Distinguish seed and bran materials, ratio definitions, carrier status and application checks.
Read buyer guide →
PLANT PART & ASSAY
Ginseng Extract Specifications
Compare root, stem-and-leaf, ratio and ginsenoside-defined grades.
Compare ginseng grades →
FULL CATALOG
Find Another Ingredient
Search the complete catalog by botanical, plant part, assay or extract ratio.
Browse all products →
Verify scope, entity and current validity.
Kosher, Halal and Organic
A buyer’s map to common certification needs and the questions to verify before purchase.
Open certification guide →
ORIGINAL EVIDENCE
LongBio Certificate Register
Review FSSC 22000, ISO 22000, cGMP, Kosher and Halal source documents and stated validity.
Inspect evidence →
INDEPENDENT SOURCES
Research & Industry References
Follow the external source trail connected to LongBio entities, research and exhibitions.
Review references →
Need a grade-specific answer?
Send the botanical source, plant part, target assay or ratio, analytical method, application, quantity and destination market. LongBio will match the request to an available grade and document set.