helvellicadj.
/hɛlˈvɛlɪk/ Pertaining to Helvella or derived from individuals of this genus.
helvellic acid n. a poisonous acid, C12H20O7, present in some fungi of the sub-family Helvellae.
ΘΚΠ
the world > physical sensation > use of drugs and poison > poison > [noun] > from fungus or bacterium > from specific fungus
muscarine1869
helvellic acid1906
1906 H. B. Shaw in Allbutt & Rolleston Syst. Med. (ed. 2) II. i. 871 Helvellic acid and extracts of the Helvella produce nausea, vomiting, hæmoglobinuria, icterus,..and uræmia.
1930 I. W. D. Hackh Chem. Dict. 350/2 Helvellic acid, C12H20O7... A dibasic, poisonous acid from Helvella esculenta.
1947 F. A. Wolf & F. T. Wolf Fungi II. xv. 351 There occurs in Helvella esculenta a water-soluble, heat-labile, hemolytic principle that has been identified as helvellic acid, C12H20O7.
1953 J. Ramsbottom Mushrooms & Toadstools vi. 54 Gyromitra esculenta, Helvella crispa..and several other Discomycetes contain helvellic acid, which has a strong dissolving action on the red corpuscles of the blood.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018).
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adj.1906- to do up
- to do very well, thank you
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