Home Herbs Index Z Zeera Siyah (Carum carvi) (Black Cumin) AllABCDEFGHIJKLMNOPQRSTUVWXYZ Zeera Siyah (Carum carvi) (Black Cumin) Pharmacological action: Carminative, astringent, pectoral, detersive. Medicinal use: Effective in stomach debility, loss of appetite, diarrhea.