Betulin [473-98-3] C30H50O2, molecular mass 442,7 cream-colored crystall powder with betulin contents 85% or higher, white colored crystall powder with betulin contents 98-99%.

"........It is a scientific fact  that chaga mushroom placed into a birch bark box   acquires more expressed therapeutic properties. Basic acting substances of the white part of birch bark triterpenic bonds - betulin, lupeol, betulinic acid, etc. - they possess anticancerous action, causing apoptoz (programmed death) of cancerous cells and transfer to chaga, thus strengthening its properties..", says Galina Mikhaylovna Fedoseeva (see photo on the left), the Chairman of the Department of Biopharmacognosy and Botany of Irkutsk State Medical University, professor, Doctor of the pharmaceutical sciences.

The very compound that makes the birch ?shine bright white? has been tentatively linked to treatment for such devastating human ailments as some melanomas or cancer, several forms of herpes and even for AIDS.

Betulin, a powdery substance in the outer bark of the birch tree, has been shown to help wounds heal faster and cut inflammation. Many cosmetic companies, touting it as a skin toner and restorer, add birch bark extract to various products. And a birch bark compound, betulinic acid, is being tested as a treatment for melanoma and other serious diseases.