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Table 1 Preliminary phytochemical screening of different extractives of C. citrinus leaves

From: Preliminary assessment of free radical scavenging, thrombolytic and membrane stabilizing capabilities of organic fractions of Callistemon citrinus (Curtis.) skeels leaves

Test Crude methanol Petroleum ether Carbon tetrachloride Chloroform Aqueous
Triterpenes ++ +++ +++ + -
Steroids ++ +++ +++ - -
Quinones ++ - ++ ++ +
Alkaloids ++ - ++ +++ +
  1. +++ indicates abundant, ++ indicates moderately present, + indicates trace; − indicates absent