Giant Knotweed Extract

  • Giant Knotweed extract Trans-resveratrol 50%
  • Giant Knotweed extract Trans-resveratrol 98%

Product Name

Giant Knotweed 50
Giant Knotweed 98

Specification

Trans-resveratrol 50%
Trans-resveratrol 98%

Cultivation

Conventional
Conventional
Request a FREE Sample

Giant Knotweed

Exif_JPEG_PICTURE

Request a free sample today for your company to experience our premium Duanwood Reishi extracts.

  • Natural trans-resveratrol from the root of Giant Knotweed (Polygonum cuspidatum)
  • Non-GMO
  • Non-Allergen
  • Non-Irradiated
Request A FREE Sample

The roots of Giant knotweed selected from Sichuan and Shandong

Giant knotweed are important concentrated sources of resveratrol, most grow in the wild, mainly found in Shandong, Sichuan,Shaanxi and other places. Best harvesting seasons are spring and autumn. After the digging, remove fibrous roots, wash clean, chop into segments or thick slices when it is fresh, dry in the sun, and used raw or fresh.