In effect, an essential oil in 1% - 2.5% of the beta-caryophyllene (28.1%), delta-3-carene (20.2%), limonene (17%), beta-pinene (10.4%), alpha-pinene (5.8. %), terpinolene, alpha-copaene, alpha-humulene, delta-cadinene, camphene, etc., and found to contain an alkaloid 5-9% Alkaloid piperine and piperettine (cause odor and spicy), the main component. And found Alkaloid other chavicine, piperyline, piperoleines A, B, C piperanine.
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