Ginkgo Flavonoids

Ginkgo Flavonoids

● mainly contain natural active compounds such as Ginkgo Flavonoids and lactones.
● inhibitory effects on free radicals in the body.
● Clinical symptoms such as dementia, memory loss, and mental disorders are effective.


Introduction for Ginkgo Flavoniods

Ginkgo biloba L is a deciduous tree of Ginkgo biloba, which is a special plant of our country. The flavonoids and lactone extracts extracted from Ginkgo biloba leaves have broad pharmacological activities and few adverse reactions. They are the world's largest plant extracts and APIs, and are added to functional foods or proprietary medicines. 

Ginkgo biloba leaves mainly contain natural active compounds such as Ginkgo Flavonoids and lactones. The Ginkgo Flavonoids have good antioxidant properties and have strong inhibitory effects on free radicals in the body, cardiovascular and cerebrovascular diseases, brain insufficiency and old age. Clinical symptoms such as dementia, memory loss, and mental disorders are effective and have been widely studied at home and abroad. Domestic ginkgo has a large number of producing areas. 

Shaanxi is one of the main producing areas of Ginkgo biloba. It is located in the southernmost town of Shaanxi, with convenient transportation, low logistics cost, few mountains and abundant land, and abundant forestry resources. In order to better develop the Ginkgo biloba resources in Zhenba County, the determination of the content of flavonoids, such as quercetin, kaempferol and isorhamnetin, in the local Ginkgo biloba leaves is indeed in line with Shaanxi huatai bio-fine chemical co.,ltd development needs.Ginkgo Flavonoids.jpg

Test method

ThermoUltiMate 3000 high performance liquid chromatograph; excellent ultra-pure water manufacturing system; electric thermostatic water bath; 101A-3E electric blast drying oven; KQ-200KDE ultrasonic cleaner; SHB-III circulating water multi-purpose vacuum pump; quercetin, Kaempferol, isorhamnetin reference substance (HPLC ≥ 98%); methanol, phosphoric acid (chromatographically pure); hydrochloric acid, chloroform (analytical grade); chromatographic ultrapure water for laboratory self-made.

The content of quercetin in 14 Ginkgo biloba leaves samples from Zhenba County was 0.0732% to 0.0820%, the content of kaempferol was 0.0735% to 0.0819%, and the content of isorhamnetin was 0.0212% to 0.0247%. According to the determination and calculation method of total flavonoids in silver apricot leaves in the 2015 edition of Chinese Pharmacopoeia, the total flavonoid content of the ginkgo leaf samples was 0.4224% to 0.4734%, which was higher than the quality requirement of 0.40% of the total flavonoids in the current pharmacopoeia. This data, combined with the geographical environment of Zhenba County, shows that the content of flavonoids in Ginkgo biloba leaves is closely related to its geographical environment. The southeastern part of the county has a lower elevation, the climate is warm and humid, and the content of flavonoids in ginkgo leaves is higher. In the northwest, the altitude is higher, the climate is colder and drier, and the content of flavonoids in ginkgo leaves is lower. The results can provide a theoretical basis for the standardized planting of local Ginkgo biloba and the deep development and utilization of resources.


Carton: 1kg with double plastic container inside/Aluminum foil bag outside; 

25kg with double plastic container inside/Fiber drum outside.

or as customer’s requirement.

Drum: 10kg,15kg,25kg




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