from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A naturally abundant triterpene, commonly isolated from the bark of birch trees, that can be converted to betulinic acid.
from the GNU version of the Collaborative International Dictionary of English
- n. a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch (Betula alba); now referring to the chemical compound (C30H50O2) having a cyclopentanophenanthrene ring system, which is the main constituent of that extract, and which may be obtained crystalline; -- called also birch camphor.
from The Century Dictionary and Cyclopedia
- n. An alkaloid (C36H60O3) obtained from the bark of the white birch. It crystallizes in the form of long needles, which are fusible and volatile.
Sorry, no etymologies found.
On top of this, it contains anti-cancer properties such as betulin and betulinic acid.
Chaga contains betulin, a precursor to betulinic acid, which has been shown to inhibit the cancer-promoting enzyme topoisomerase.
Recent clinical studies have verified that red alder contains betulin and lupeol, compounds shown to be effective against a variety of tumors
Btw, mungkin bs betulin dikit yg InBiz, untuk bagian sidebar. php line 30.
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