Current botanical medicines offered by CONBA

About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsLow Ginkgolic Acid Ginkgo Leaf Extract

CHP2015 Ginkgo Biloba Leaf Extract With GACP Planting Base

CHP2015 Ginkgo Biloba Leaf Extract With GACP Planting Base

CHP2015 Ginkgo Biloba Leaf Extract With GACP Planting Base
CHP2015 Ginkgo Biloba Leaf Extract With GACP Planting Base

Large Image :  CHP2015 Ginkgo Biloba Leaf Extract With GACP Planting Base Get Best Price

Product Details:

Place of Origin: China
Brand Name: CONBA
Certification: GMP, CEP, GEP(CCCMHPIE), Kosher, Halal, ISO9000, ISO14000.
Model Number: CHP

Payment & Shipping Terms:

Minimum Order Quantity: 25kg
Packaging Details: 25kg Drum
Detailed Product Description
FlavonolGlycosides: >24% TerpeneLactones: >6%
Ginkgolic Acid: <10ppm Form: Powder
Packaging: Drum Test Method: HPLC
High Light:

organic ginkgo powder


ginkgo extract powder

CHP2015 Ginkgo Biloba Leaf Extract With GACP Planting Base 0

CONBA® Ginkgo Biloba Extract: USP40 24/6 Ginkgo Acid<1ppm, EP9.0 24/6 Ginkgo Acid<1ppm, Water soluble 24/6 1g/10ml,

Injection solution GA>2.2% GB>1.2% GC>1.2%


Low Ginkgolic Acid Gingo Leaf Extract​



How comes the Toxic substance control of Conba (Part 1):

pesticide residue, solvent residue, Ginkgo acid and heavy metal


· Conba is the first to make and raise Ginkgo leaves quality standard in China in order to completely eradicate toxic substance exceeding standard such as pesticide residue and heavy metal; it conducted high-quality generation 7 and generation 8 EGB quality standard study; it performed cooperative research on deacidification process and pesticide residue removing; 


Product Highlights:


1. High-quality raw material:

  • CONBA-owned GACP ginkgo leaves planting base (16000 acres).
  • Solvent: food grade ethanol.

2. Standardization of production:

  • The specialized ginkgo leaves extraction Line that is established according to CGMP requirements.

3. Advanced extraction technology:

  • 19 Patented methods and techniques. (e.g. low-acid ginkgo leaves extraction preparation method,water-soluble ginkgo leaves extraction preparation method)

4. Quality control:

  • Pure natural ginkgo biloba leaves.

  • Strict quality control system ensures high-quality Extract.
  • Pesticide, solvent, and heavy metal residue amounts are confirmed to satisfy international standards. 

Flavonol aglycone

Flavonol aglycone R1 R2 R3 R4
Kaempferol H H H H
Quercetin OH H H H
Isorhamnetin OCH3 H H H







Terpene lactones

Terpene lactones R1 R2
Ginkgolide A H H
Ginkgolide B OH H
Ginkgolide C OH OH




Item Specification Test Method
Appearance Light yellow-brown powder Visual
Identification A Should conform Chp2015 TLC
Identification B Should conform Chp2015 HPLC
Limit of Ginkgolic Acid NMT 10mg/kg HPLC
Sophoricoside Should be negative HPLC
Loss on drying NMT 5.0% Limit test
Residue on ignition NMT 0.8% Limit test
Mesh 100% through 80 mesh -
Heavy metal Should conform Chp2015 AAS
Free Aglycone    
Quercetin NMT 10 mg/kg HPLC
Kaempferol NMT 10 mg/kg HPLC
Isorhamnetin NMT 4 mg/kg HPLC
Apex area ratio    
Q: K 0.8-1.2 HPLC
I: Q >0.15 HPLC
Microbiological limit    
Aerobic plate count NMT 10cfu/g Limit test
Mold&Yeast NMT 10cfu/g Limit test
E.Coli Negative Limit test
Content of flavonol glycosides 24%MIN HPLC
Quercetin / HPLC
Kaempferol / HPLC
Isorhamnetin / HPLC
Terpene lactones 6.0%MIN HPLC
Bilobalides / HPLC
Ginkgolides A / HPLC
Ginkgolides B / HPLC
Ginkgolides C / HPLC




Ginkgo leaf extract is used to improve mental performance, increase the pain-free walking distance in peripheral arterial occlusive disease, and for vertigo and tinnitus. Other indications include (age-associated) cognitive impairment and quality of life improvement in mild dementia. Ginkgo leaf extracts may help to prevent symptoms related to altitude sickness.

  • Auxiliary hypolipidemic
  • Relieve eye fatigue
  • Help improve memory
  • Skin care
  • Used for Cosmetics

Shelf life: 3 years
Country of origin: China
Botanical Name:Ginkgo Biloba L.
Starting material: Ginkgo leaves
Part Used:GinkgoLeaves(dry)
Extraction solvent: Food grade ethanol
Extraction ratio: 50:1
Composition : 100% Ginkgo Biloba extract,no adding other carriers
Residual Solvent: Ethanol <= 0.5%
Standard: Chp2015
Package Size:25Kg/Drum
Storage:Protect from light and seal.



Contact Details
zhejiang conba pharmaceutical co., ltd

Contact Person: Mia Tao

Tel: +8613282563726

Send your inquiry directly to us