. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig 256. Charlock (Brassica arvensis). U. Mustard (^Brassica nigra). U. S. Dept. Agrl. S. Dept. Agrl. Fig. 2S6a. Common Black Medicinal and Poisonous properties. White mustard contains a glucoside also found in other members of the family sinalbin, C^^H^^'N^Sfij^^-j-li^O, and in addition, the ferment known as myrosin which converts the sinalbin into an active principle, oxy-bemyl-thiocyanate (a very acrid volatile body) sinapin sulph
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig 256. Charlock (Brassica arvensis). U. Mustard (^Brassica nigra). U. S. Dept. Agrl. S. Dept. Agrl. Fig. 2S6a. Common Black Medicinal and Poisonous properties. White mustard contains a glucoside also found in other members of the family sinalbin, C^^H^^'N^Sfij^^-j-li^O, and in addition, the ferment known as myrosin which converts the sinalbin into an active principle, oxy-bemyl-thiocyanate (a very acrid volatile body) sinapin sulphate and glucose. The following formula represents the change that occurs: C3oH,,N,S,0,,=C,H,,0,+C,H,0-NCS+C,,H,,NO,-HSO,. Oxy- Sinalbin Glucose benzyl-thio- Sinapin sulphate cyanate Black mustard contains the glucoside sinigrin, and a ferment, myrosin, which produces the following reaction: = C3H,CNS + C,H,,0, + KHSO,. Sulpho-cyanate Glucose Hydrogen of allyl Potassium sulphate (Essential oil of Mustard) White Mustard seed when reduced to a powder and made into a paste with cold water, acts as a powerful stimulant. Large doses cause vomiting. Intestinal secretion is increased by the use of mustard, which is rarely used, however, as an emetic because of its pungency. It is extremely valuable for relieving pain or congestion. It is a splendid emetic for dogs in the spoonful doses, given in warm water. Dr. Millspaugh states that in the case of black Ci„H,«NKS,0,„ Sinigrin. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pammel, L. H. (Louis Hermann), 1862-1931. Cedar Rapids, Ia. , The Torch Press
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