Isolation and detection of active principles, caffeine from tea dust
The active constituent caffeine was isolated and detected from the leaves of tea. It can be used as CNS stimulant, specific analgesic in migraine.
The active constituent caffeine was isolated and detected from the leaves of tea. It can be used as CNS stimulant, specific analgesic in migraine.
Lycopodium spores are obtained from club moss, Lycopodium clavatum Linn., belonging to family Lycopodiaceae. The spores are yellow in colour, spheroidol
Synonym of Indian Senna is Tinnevelly senna, Cassia senna. It consists of dried compound leaflets of Cassia angustifolia belongs to family Leguminosae.
Diosgenin is obtained from dried tubers of Dioscorea deltoidea. (Family- Diascoreaceae) it is mainly found growing in North Western Himalayas from Kashmir and Punjab to Nepal and China.
Atropine is an alkaloid containing tropane belongs to family Solanaceae.
Brook field viscometer is a type of volitional viscometer. It contains different size violating spindle which is immersed in the test material to be tested.
The stalagmometer is consist of a capillary bore with a bulb at the middle. The surface tension of the given liquid can be determined by using the following formula.