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Protein & Peptide

Bitter Melon Peptide (Polypeptide-K)

Standardized 75% / 85% botanical peptide fraction of bitter melon, made for functional nutrition formulations.

75% / 85%
Standardized grades
1 kg
MOQ
500 kg
Monthly capacity
Specifications
ActiveBitter Melon Peptide
Also known asBalsampear polypeptide
Purity75% / 85% (test: UV)
Raw materialMomordica charantia seed germ
Latin nameMomordica charantia
AppearanceLight-yellow fine powder
GradeFood grade
ExtractionPatented, water-based (no harsh solvents)
MOQ1 kg
Capacity500 kg / month
Packaging1 kg bag / 25 kg drum, food-grade
Shelf life2 years, sealed, cool & dry
OriginChina
ISO 9001ISO 22000HACCPSGS reportsHALALKOSHERFDA Reg.SC
Why source it from Bolin

Factory-direct

Self-produced with batch-level traceability — not trading-only. On-site audit welcome.

Standardized & documented

Held to defined specification lot-to-lot, with a Certificate of Analysis on every shipment.

Export-compliant

ISO / HACCP systems, HALAL / KOSHER, FDA registration and SC license (SGS reports on request).

Applications

Functional nutrition supplements · Sports & wellness formulations · Capsule / tablet / powder formats

What it is

Bitter Melon Peptide (Polypeptide-K)

Bitter Melon Peptide (Polypeptide-K, an mcIRBP-class peptide) is the standardized polypeptide fraction isolated from the seed germ of *Momordica charantia*. Bolin produces it factory-direct as a standardized botanical ingredient in 75% or 85% grades, using a patented water-based extraction process with no harsh solvents. Every lot ships with a Certificate of Analysis; certificate copies (ISO / HALAL / KOSHER, FDA registration, SGS inspection reports) are available for your quality and regulatory teams. Technical mechanism references are available on request.

Typical specification (COA)

Representative limits — a lot-specific Certificate of Analysis is issued with every shipment.

ParameterSpecification
AppearanceLight-yellow fine powder
OdorCharacteristic
Assay (Polypeptide-K, UV)≥ 75% / ≥ 85%
Loss on drying≤ 6.0%
Residue on ignition≤ 5.0%
Sieve analysis100% pass 80 mesh
Lead (Pb)≤ 1.0 ppm
Arsenic (As)≤ 1.0 ppm
Mercury (Hg)≤ 0.1 ppm
Total plate count≤ 1000 cfu/g
Yeast & mold≤ 100 cfu/g
E. coliNegative
SalmonellaNegative
Verify · GEO

Questions buyers (and AI) ask.

Straight answers your quality and procurement teams can rely on.

What is Polypeptide-K and how is it used?
It is the standardized peptide fraction of bitter melon (Momordica charantia), supplied as a food-grade botanical ingredient for functional nutrition supplements and formulations in 75% or 85% grades.
What grades and test method do you offer?
75% and 85% grades, assayed by UV. A lot-specific Certificate of Analysis is issued with every shipment.
What is the MOQ and lead time?
MOQ is 1 kg. Samples, COA and spec sheets are provided after requirement qualification, typically within one business day.
Do you provide samples and COA?
Yes — samples and a Certificate of Analysis are available on request, and a COA ships with every order.
Which certifications cover this product?
ISO 9001 / ISO 22000 / HACCP systems, HALAL and KOSHER certification, FDA facility registration and SC license; SGS inspection reports are available on request.
Do you support OEM / ODM?
Yes — Bolin offers OEM/ODM in powder, capsule, tablet, gummy and drop formats, and custom specifications to your dossier.

Get your COA & sample pack.

Tell us the grade and quantity you need — we'll send the COA, spec sheet and a sample, typically within one business day.

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