Dimeric stilbene production method using callus culture medium of plant

A method for producing maackin as a dimeric stilbene using a grape callus culture solution, the method consisting of:

• i) suspension-culturing a grape callus in a culture medium and collecting a culture solution by separating the suspension-cultured grape callus and the culture medium;
• and
• ii) adding an extraction solvent to the culture solution collected in step i) and extracting maackin,
• wherein the culture medium in step i) consists of Murashige & Skoog (MS) medium and 1 mg/L of 2-4-dichlorophenoxy acetic acid (2,4-D), and
• wherein the culture solution in step i) is a supernatant medium separated by centrifugation of the suspension-cultured grape callus and the culture medium.