
Description
English name: wild yam extract
Latin Name: Dioscorea opposita Thunb
Molecular forula: C27H42O3
Molecular Weight: 414.63
Active ingredients: Diosgenine
CAS No.: 512-04-9
Specification: 6% 12%, 16%, 20%, 98%
Use Part : Stem & Root
Appearance: White fine powder
Mesh size:80 Mesh
Test Method: HPLC
Packing: 25kgs one drum
Sample: 10-20g
MOQ: 1KG
Payment: We recieve Paypal, West union and t/t in advance
Certificate: ISO9001 FDA BV
Jintai supplies wild yam extract powder with copper product specifications, such as 6% 12%, 16%, 20%, 98% Diosgenins. As an important steroidal sapogenin, diosgenin is the main raw material for the production of steroid hormone drugs. The extract has various pharmacological effects such as anti-inflammatory, anti-tumor, regulating blood lipid, lowering blood sugar, and lowering uric acid. It has high medicinal value. The extraction technology of diosgenin is becoming more and more perfect, and a large amount of high-purity diosgenin can be obtained for clinical treatment.

How to Extract Diosgenin for Yam?
Dioscorea saponins are often extracted from the rhizomes of wild yam. Yam extract conventional extraction methods include acid extraction, alcohol extraction, enzymatic hydrolysis, surfactant extraction, and ultrasonic-assisted extraction. The content of diosgenin is determined mainly by liquid chromatography, with evaporative light detector, ultraviolet detector and mass spectrometer for precise separation and qualitative and quantitative analysis.
Certificate of Analysis
Analysis | Specification | Results |
Assay(HPLC) | Diosgenine ≥ 16% | 16.5% |
Appearance | White fine powder | Complies |
Ash | ≤5.0% | 2.8% |
Moisture | ≤5.0% | 3.85% |
Pesticides | Negative | Complies |
Heavy metals | ≤10ppm | Complies |
Odor | Characteristic | Complies |
Particle size | 100%through 80 mesh | Complies |
Microbioiogical: | ||
Total of bacteria | ≤1000cfu/g | Complies |
Fungi | ≤100cfu/g | Complies |
Salmgosella | Negative | Complies |
Coli | Negative | Complies |
Storage Store in cool & dry place. Do not freeze. Keep away from strong light and heat. Shelf life 2 years when properly stored | ||
Application
A. Wild Yam Extract Powder for nutritional supplements
B.Health food products
C.Beverages
D.Pharmaceutical products
E.Skin Care Materials
Our Service

About JINTAI
Shaanxi Jintai Bio is an enterprise specializing in the purification and processing of plant active ingredients. Our company has more than 20 years production experience. The company integrates production, sales and service, with natural plant extracts, fruit and vegetable powder, and freeze-dried powder as its leading products. We continue to pay attention to and serve human health from a global perspective, and create high-quality products in the field of green health.

Jintai is one of the leading Wild Yam Extract Powder manufacturers. For any query or further information, welcome contact us with an email at sales01@sxjtsw.com or submit your requirement in the bottom form, we always provide you good service.
WeChat: 18049213229
Tel: +86-018049213229
+86-029-88252883
No. 11 South Tangyan Road. Xi'an 710065, China