
Description of Black Ginger Extract:
Black Ginger Extract is a natural active substance extracted from the rhizome of the ginger plant, Gingeraceae. Black ginger, also known as dark ginger, is named after the deep black colour of its rhizome. This plant has a long history of use in traditional medicine and modern scientific research has revealed its rich medicinal value.
The main components of black ginger extract are polymethoxyflavonoids, of which 5,7-dimethoxyflavone is the best known. These compounds are responsible for the unique physiological activity of Ginger Extract.
Specification of Black Ginger Extract:
Product Name | Black Ginger Extract |
Other Name | Kaempferia Parviflora extract |
Active Ingredient | 5,7-Dimethoxyflavone |
CAS NO | 21392-57-4 |
Spec. | 2.5%-8% |
Appearance | Dark Purple Powder |
Benefits of Black Ginger Extract:
ANTIOXIDANT: The rich polyphenolic compounds in black ginger extract have a powerful antioxidant capacity, which can effectively scavenge free radicals in the body, slow down cellular aging and protect the body from oxidative damage.
Anti-inflammatory: It can inhibit the production of inflammatory factors in the body, reduce the inflammatory response, and has potential therapeutic effects on a variety of inflammatory diseases.
PROMOTES BLOOD CIRCULATION: Black ginger extract improves microcirculation and increases blood flow, helping to relieve symptoms such as cold hands and feet.
Immunity Enhancement: By regulating the immune system, it improves the body’s resistance and prevents diseases.
Skin care: Ginger extract has whitening, anti-wrinkle and anti-aging effects, which can improve skin texture and slow down skin aging.
Application of Black Ginger Extract:
Food industry: as a natural pigment, functional food ingredients, added to beverages, baked goods, snacks and so on.
Health care industry: made into capsules, tablets and other health care products.
Cosmetic industry: added to creams, serums, body lotions, etc.
| Item | Specification | Test Result |
|---|---|---|
| 5,7-Dimethoxyflavone Content | ≥10% | 10.10% |
| Appearance | Brown to purple-black fine powder | Conformed |
| Odor | Characteristic | Conformed |
| Mesh Size | 98% passed 80 mesh | Conformed |
| Ash Content | ≤5.0% | 2.22% |
| Loss on Drying | ≤5.0% | 2.62% |
Heavy Metal Analysis:
| Chemical | Specification | Test Result | Conformity |
|---|---|---|---|
| Lead | ≤ 2 ppm | 1.5 ppm | Yes |
| Cadmium | ≤ 1 ppm | 0.8 ppm | Yes |
| Mercury | ≤ 1 ppm | 0.9 ppm | Yes |
| Arsenic | ≤ 2 ppm | 1.8 ppm | Yes |
Microbiological Analysis:
| Test | Specification | Test Result | Conformity |
|---|---|---|---|
| Total Plate Count | ≤ 1000 cfu/mg | 800 cfu/mg | Yes |
| Yeast and Mold | ≤ 25 cfu/mg | 15 cfu/mg | Yes |
| E. coli | ≤ 40 MPN/100g | 30 MPN/100g | Yes |
| Staphylococcus aureus | Negative | Negative | Yes |












