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Description

Ward writes: 'The author has been engaged for some time in the investigation of a remarkable compound organism found in home-made ginger-beer fermentations. It occurs as jelly-like, semi-transparent, yellowish-white masses, aggregated into brain-like clumps, or forming deposits at the bottom of the fermentations, and presents resemblances to the so-called Kephir grains of the Caucasus, with which, however, it is by no means identical. He finds that it consists essentially of a symbiotic association of a specific Saccharomycete and a Schizomycete, morphologically comparableto a Lichen, but, as met with naturally, invariably has other species of yeasts, bacteria, and mould-fungi casually associated with these.'

Annotations in pencil and ink.

Subject: Bacteriology / Zymology / Mycology

Received 19 November 1891. Read 17 December 1891.

A version of this paper was published in volume 50 of the Proceedings of the Royal Society as 'The ‘ginger-beer plant," and the organisms composing it : a contribution to the study of fermentation-yeasts and bacteria'.

Reference number
PP/18/13
Earliest possible date
1891
Physical description
Ink and graphite pencil on paper
Page extent
32 pages
Format
Manuscript

Creator name

Harry Marshall Ward

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Citation

Harry Marshall Ward, Paper, 'The "ginger-beer plant", and the organisms composing it: a contribution to the study of fermentation-yeasts and bacteria' by Harry Marshall Ward, 1891, PP/18/13, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/pp_18_13/paper-the-ginger-beer-plant-and-the-organisms-composing-it-a-contribution-to-the-study-of-fermentation-yeasts-and-bacteria-by-harry-marshall-ward, accessed on 22 July 2024

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  • Proceedings Papers

    Dates: 1882 - 1894

    The archival collection known as 'Proceedings Papers' is comprised of manuscripts and occasional proofs of scientific papers sent to the Royal Society which were read before meetings of Fellows and printed in full in the Proceedings of the Royal Society.

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