Wild ginger asarum

Figure 2. Relationship between the number of slugs and flowering time of wild ginger ( Asarum caudatum) in the habitat of palatcwle and unpalatable morphs. Redrawn from Cates (25).

Asarum canadense. Wild ginger. Aromatic stimulant, tonic and diaphoretic. 20 to 30 grs. Rad. 1[lb.j 0[oz.]... 

Asarum, Wild ginger Canada snakeroot Indian ginger. Dried rhizome and roots of Asarum cattadense L., Aristolochiaceae. Habit. Canada to N. Carolina and Kansas. Constil. Acrid resin, arom. volatile oil, methyl eugenol. 

Definition Oil from Asarum canadense found in wild ginger... 

Wild ginger, Canadian, oil Wild ginger oil. See Snakeroot (Asarum canadense) oil Wild marjoram extract Synonyms Origanum vulgare Origanum vulgare extract... 

This oil is distilled from the rhizomes of Asarum canadense, a plant growing in the Northern United States. The yield is from 3 to 5 per -cent, of an aromatic oil. The plant is also known as Indian wild. ginger. The oil has a strong nondescript aromatic odour and taste, and varies in characters. The oil distilled from the rhizomes without the rootlets has the following characters — ... 

Asarum canadense. Product B (42), CuHnOiN, does not melt, darkens slowly >230°C., lemon-yellow needles, absorption peaks at 2500, 3180, 3900 A, acidic substance soluble in ethanol, acetone, chloroform, ethyl acetate, and dioxane almost insoluble in water, benzene, and petroleum ether. The salts are soluble in water. Product B is stable at pH 10. It is inactivated by cysteine. It was isolated from the leaves and stems of Asarum canadense var. reflexum (wild ginger) in a yield of about 20 mg. per kg. of fresh leaves and stems. It has low activity against Grampositive bacteria only. Toxicity was not determined. 

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