Definitions
from The Century Dictionary.
- noun A greenish-yellow, crystalline, very poisonous bitter alkaloid, C13H19O2N, contained in Java gadung, Dioscorea hirsuta. It melts at 43.5° C., and acts on the central nervous system like picrotoxin, but is less energetic.
Etymologies
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Examples
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Some varieties contain a toxic alkaloid called dioscorine that must be removed by grating and leaching in water.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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Some varieties contain a toxic alkaloid called dioscorine that must be removed by grating and leaching in water.
On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004
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For example, the toxic alkaloid dioscorine is present in the edible species D. hispida and the presence of diosgenin in D. mexicana and others has already been noted.
Chapter 37 1987
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On a dry weight basis the tubers contained 0. 2-0.7 per cent diosgenin and 0.044 per cent of the toxic alkaloid dioscorine.
Chapter 37 1987
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The toxic element found in many varieties is apparently dioscorine, and in some varieties the saponin dioscin has been reported.
Chapter 37 1987
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Most varieties of yams, especially the wild species that are not cultivated, contain a poison (dioscorine).
Chapter 5 1977
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Often the yield is less, the tubers are much too small and of bad quality and contain a poison called dioscorine.
Chapter 5 1977
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