Chaga Dual Extract – Certificate of Analysis | BKW Mushroom Co.

Certificate of Analysis

Chaga
Dual Extract Powder

Lab: Eurofins Food Integrity & Innovation Report #: 4920603-0 Report Date: May 12, 2025 Status: Final
6.81%

Beta-Glucan Content

Verified by independent third-party lab testing. 0.0681 g per 1g serving from 100% whole fruiting body, 8:1 dual extract.

Note: Chaga's primary actives are betulinic acid and polyphenols, not beta-glucans. A lower beta-glucan % is normal and expected for this species.

Potency Results

Beta-Glucan

6.81%

0.0681 g / 1g serving

Verified

Extraction Method

Dual Extract

Hot water + ethanol — 8:1 ratio

Whole Fruiting Body

Microbial Safety Testing

Test Result Status
Aerobic Plate Count <100 CFU/g ✓ Pass
E. coli (Escherichia coli) Absent /10 g ✓ Pass
Enterobacteriaceae Count <10 MPN/g ✓ Pass
Salmonella Absent /10 g ✓ Pass
Staphylococcus Aureus Absent /10 g ✓ Pass
Yeast & Mold Count <100 CFU/g ✓ Pass

Heavy Metals — ICP Mass Spectrometry

Lead

0.361

ppm

Arsenic

0.0421

ppm

Cadmium

0.105

ppm

Mercury

0.00596

ppm

Sample & Lab Information

Eurofins Food Integrity & Innovation
Chaga Extract Powder
01250005
15260554
BKW_MUSHRO-20250429-0001
May 5–12, 2025
Chaga (Inonotus obliquus) hot water and alcohol extract, Whole Fruiting Body 8:1
Final

Download Official Lab Report

View the full signed PDF from Eurofins — Report #4920603-0

↓ Download PDF

This COA is for the following product

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All BKW Mushroom Co. products are tested by independent third-party laboratories. Results are lot-specific and apply to the batch indicated above. Testing conducted by Eurofins Food Integrity & Innovation. For questions contact info@bkwmushroomco.com.