A biochemic basis for the study of problems of taxonomy, heredity, evolution, etc Volume 2 ; with especial reference to the starches and tissues of ... hemoglobins of varieties, species, and genera - Softcover

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 Excerpt: ...or longer. The reaction with potassium sulphide begins immediately. Complete gelatinization occurs in more than 99 per cent of the entire number of grains and total starch in 15 seconds. Very rare resistant grains remain for 5 minutes or longer. The reaction with sodium hydroxide begins immediately. Complete gelatinization occurs, in all but rare grains, in more than 99 per cent of the grains and total starch in 15 seconds. Rare resistant grains remain ungelatinized for 5 minutes and longer. The reaction with sodium sulphide begins immediately. Complete gelatinization occurs in about 90 per cent of the entire number of grains and 98 per cent of the total starch in 15 seconds; in about 96 per cent of the grains and 99 per cent of the total starch in 30 seconds; and in more than 99 per cent of the grains and total starch in 45 seconds. Bare resistant grains remain ungelatinized for 5 minutes or longer. The reaction with sodium salicylate begins in 30 seconds. Complete gelatinization occurs in about 28 per cent of the entire number of grains and 53 per cent of the total starch in 3 minutes; in about 71 per cent of the grains and 84 per cent of the total starch in 5 minutes; and in about 97 per cent of the grains and 99 per cent of the total starch in 10 minutes. (Chart D 352.) The reaction with calcium nitrate begins immediately. Complete gelatinization occurs in about 55 per cent of the entire number of grains and 85 per cent of the total starch in 1 minute; in about 85 per cent of the grains and 97 per cent of the total starch in 3 minutes; and in about 97 per cent of the grains and 98 per cent of the total starch in 5 minutes. The reaction with uranium nitrate begins in 30 seconds. Complete gelatinization occurs in about 57 per cent of the entire number of ...

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