Rhizomes of aura contain essential oil, bitter glycoside, acorin, starch, resins, tannins, ascorbic acid and other biologically active substances.
A mixture of rhizome rhizomes of different forms of yellowish white, whitish beige, pinkish gray, with a partially preserved yellowish brown or brownish stopper, passing through a sieve with apertures 2 mm in size. The smell is strong, fragrant, characteristic. The taste of water extract is spicy-bitter.