This section is from the book "Materia Medica And Therapeutics: An Introduction to the National Treatment of Disease", by John Mitchell Bruce. Also available from Amazon: The pharmacology and therapeutics of the materia medica.
The un-crystallised residue of the refining of sugar.
Characters. - A thick brown fermentable syrup, very sweet.
Theriaca is an ingredient of a number of pills.
Treacle is demulcent, nutrient, and slightly laxative, and is employed in pharmacy to make pills.
Coto Bark.-Cortex Verus. Paracoto Bark Cortex Para. (Not Officinal.)-The barks of two allied trees, from Bolivia.
Characters.-Coto bark resembles cinchona bark, with an aromatic resinous odour, and a pungent taste.
Composition.- Coto verus contains cotoin, C22H18O6, yellowish, amorphous or finely crystalline, with a balsamic odour and a bitter taste; nearly insoluble in water, soluble in spirit. Para bark contains paracotoin, C19Hl206, in minute pale crystals; insoluble in water.
Dose.-Of coto in powder, 1 to 8 gr.; of cotoin, 1/2 to 2 gr.; of paracotoin, 1 1/2 to 3 gr.
Non-officinal Preparations. Cotoin ; Paracotoin; and a Tincture, given in doses of 10 min.
The only physiological effect of coto is as an intestinal astringent. It is useful in some cases of persistent subacute diarrhoea, as in phthisis and delicate subjects.
 
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