Arctiin is a lignan found in many plants of the Asteraceae family, particularly the greater burdock (Arctium lappa) and Centaurea imperialis, and in Trachelospermum asiaticum, Saussurea heteromalla, and Forsythia viridissima. It is the glucoside of arctigenin.

CAS：20362-31-6
中文别名：牛蒡苷;
英文别名：Arctigenin-4-glucoside;Arctin;Great Burdock Root Extract;Arctlin;
分子式：C27H34O11
分子量：534.552
精确质量：534.21
Psa：153.37
Logp：0.4655

UNII：TM5RQ949K7

外观与性状：白色至灰白色固体
密度：1.363 g/cm3
沸点：756.4ºC at 760 mmHg
闪点：250.1ºC
折射率：1.6
蒸汽压：4.79E-24mmHg at 25°C