Beriberi, white rice, and vitamin B. A disease, a cause, and a cure PDF

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In this comprehensive account of the history and treatment of beriberi, Kenneth J. Carpenter traces the decades of medical and chemical research that solved the puzzle posed by this mysterious disease. Caused by the lack of a minute quantity of the chemical thiamin, or vitamin B1, in the diet, beriberi is characterized by weakness and loss of feeling in the feet and legs, then swelling from fluid retention, and finally heart failure.Western doctors working in Asia after 1870 saw it as the major disease in native armed forces and prisons. It was at first attributed to miasmas (poisonous vapors from damp soil) or to bacterial infections. In Java, chickens fed by chance on white rice lost the use of their legs. On brown rice, where the grain still contained its bran and germ, they remained healthy. Studies in Javanese prisons then showed beriberi also occurring where white (rather than brown) rice was the staple food. Birds were used to assay the potency of fractions extracted from rice bran and, after twenty years, highly active crystals were obtained. In another ten years their structure was determined and "thiamin" was synthesized. White rice and flour are now enriched with thiamin in most technically advanced countries, but not in poorer countries where the disease has been endemic.Beriberi is a story of contested knowledge and erratic scientific pathways. It offers a fascinating chronicle of the development of scientific thought, a history that encompasses public health, science, diet, trade, expanding empires, war, and technology.

AUTEUR Kenneth-J Carpenter
DATE DE PUBLICATION 2000-May-11
TAILLE DU FICHIER 10,89 MB
NOM DE FICHIER Beriberi, white rice, and vitamin B. A disease, a cause, and a cure.pdf

Beriberi, white rice, and vitamin B : a disease, a cause ...

PDF | On Jan 1, 2003, Peter J Atkins and others published Book Review of K.J. CARPENTER. Beriberi, White Rice, and Vitamin B: a Disease, a Cause, and a Cure. Berkeley ...

Nutrition History: Beriberi, White Rice, and Vitamin B: A ...

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