This section is from the book "Practical Materia Medica And Prescription Writing", by Oscar W. Bethea. Also available from Amazon: Practical Materia Medica and Prescription Writing.
Latin, Theophyllina
Eng., Theophylline. Synonym, Dimeth-ylxanthine. An organic base isomeric with theobromine. It is found in small amounts in tea-leaves (Thea Sinesis) and is also prepared synthetically.
A white, odorless, bitter, sparingly soluble powder.
4 grains (0.25 Gm.).
 
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