Ginkgo biloba is the oldest living species of tree on earth and the sole member of the family Ginkgoaceae (China). There have been over four hundred scientific studies conducted on proprietary standardized extracts of the leaf of ginkgo in the past 30 years.
Ginkgo leaf extract is used to improve mental performance, helped reduce pain from walking caused by peripheral aterial 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.
Ginkgo is among the most widely used herbs in the nutraceutical market worldwide. Spins reports a growth of more than 18% of Ginkgo in the US among nootropics ingredients (2021).
Since adulteration is a major issue for Ginkgo extract, we secure our raw material supply to guarantee Ginkgo Leaf Extract authenticity partnering directly with growers in China, its native growing origin. We choose the right extract standardization as per Commission E recommandation.
The ginkgo leaf extract characterized by 24% flavonol glycosides and 6% triter- penes has been subject to repeated and increasing levels of adulteration over the past decades1 . There are 2 main concerns with ginkgo adulteration : The addition of pure flavonols/flavonol glycosides or extracts from other botanicals which are rich in flavonol glycosides The use of non-authorised, cheaper extraction solvents
Ginkgo biloba L. (Leaf)
Flavonol Glycosides (on the dried basis) ≥ 24.0%
Kaempferol/Quercetin (on peak area ratio) ≥ 0.7
Isorhamnetin/Quercetin (on peak area ratio) ≥ 0.1
Terpene Lactones (on the dried basis) 5.4% ~ 12.0%
Bilobalide (on the dried basis) 2.6% ~ 5.8%
Ginkgolides A, B and C (on the dried basis) 2.8% ~ 6.2%
Cultivated in China, Shanxi and Yunnan
Fine, light brown powder
SAFETY & QUALITY
DNA-barcode to identify raw material
Low PAH trace
Soluble in water and ethanol
120 – 240 mg / day