Recognized Ideas: Leaves and shoots secrete a resin, which when mixed with alkali is alleged to create a laxative substance. The bark incorporates 10-14% betulin (a dihydric alcohol). When made into birch bark tar, the tar incorporates creosol, traces of phenols, creosote, and guaiacol. Betula lenta bark incorporates vital quantities of methyl salicy late.
Mode of Motion: The methyl salicylate of B. lenta could also be used as a counterirritant in treating rheumatism. It additionally has some analgesic properties. The betulin has unknown pharmacologic properties.
Alleged Makes use of: The leaves have an agreeable, fragrant odor and have been used as an infusion for rheumatism and dropsy. Each the leaves and the bark have a bitter style. The bark has been used as an astringent, whereas birch has discovered use in remedy for varied sorts of pores and skin problems.
Toxicity: There doesn’t seem like sufficient pharmacologic exercise related to the betulin to make overdose a hazard. One might grow to be poisoned on the methyl salicylate in B. lenta bark, or have vital dermal irritation because of the phenolic elements of the birch bark tar.