Page 93 - phytochemistry general program
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p-Dimethylaminobenzaldehyde reagent (PDAB): gives with reserpine in .2

presence of glacial acetic acid and H2SO4 a green color that turns red in excess

                                                                                               of acids.
                               Froehd’s reagent gives a yellow color that turns to blue. .3
                    Marqui’s reagent gives a grayish green color that turns to brown. .4

                      Uses

rauwolfia and its pharmaceutical The above mentioned alkaloids, as well as
preparations are useful hypotensive agents. They are also applied as sedatives,

                           tranquilizers, and in the treatment of various mental diseases.

The alkaloid reserpine is superior for the treatment of various mental
                                                                                                 .diseases

              Other Related Simple Tryptamine Derivatives

                      Melatonin: .1

H3CO      H2  H2  NH
          C   C

      N OC CH3

      H

Melatonin is (N-acetyl-5-methoxytryptamine). It is a hormone, naturally occurring
   in most animals, including humans, and some other living organisms, including
    algae. Circulating levels vary in a daily cycle, and melatonin is important in the
                 regulation of the day hour's variations of several biological functions.

              Psilocin and Psilocybin .2

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