The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 49
... grains of the sample , exhausting at least four times with hot water , and adding the extracts together . To the solution 250 grains of pressed yeast are then added , and the whole set to ferment for 48 hours , at a temperature of from ...
... grains of the sample , exhausting at least four times with hot water , and adding the extracts together . To the solution 250 grains of pressed yeast are then added , and the whole set to ferment for 48 hours , at a temperature of from ...
Page 108
... grains . Assuming that 100 grains of the sample to be analysed , when dissolved in about a quart of water and fermented with 200 grains of pressed yeast , yield a distillate of 1,000 fluid grains of a density of 990 ° 3 at 60 ° F ...
... grains . Assuming that 100 grains of the sample to be analysed , when dissolved in about a quart of water and fermented with 200 grains of pressed yeast , yield a distillate of 1,000 fluid grains of a density of 990 ° 3 at 60 ° F ...
Page 109
... grains and 88 grain by weight of absolute alcohol in each 100 fluid grains , and therefore 55 ° 2 and 8.8 grains respectively will be contained in each distillate . De- ducting the latter from the former , there remain 46'4 grains of ...
... grains and 88 grain by weight of absolute alcohol in each 100 fluid grains , and therefore 55 ° 2 and 8.8 grains respectively will be contained in each distillate . De- ducting the latter from the former , there remain 46'4 grains of ...
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Common terms and phrases
250 cubic centimetres added adulteration albumin alcohol alkaloid amount analysis appearance bean benzol boiling water caffeic acid Caffeine cane caramel cells cellulose cent centimetres of water chemical chemists chicory cocoa cocoa nibs coffee cold water colouring matter Congou consists constituents contains copper crystals cubic centimetres dextrin dextro-glucose dilute dissolved distilled dried estimation ether evaporated exhausted leaves Fehling's fermentation filtered filtrate flavour glucose grains grams granules green tea husk India infusion insoluble invert-sugar kernel Large crown 8vo laticiferous laticiferous tissue leaf magnesia mangold wurzel mineral matter mixture nitrogen obtained Orange Pekoe oxide Parsnips percentage of ash portion potash powder precipitate prepared present proportion pure cane-sugar raw sugar removed residue roasted rotatory power seeds Silica skin small quantity soluble in water solution Souchong specific gravity starch sulphuretted hydrogen sulphuric acid tannic acid tannin temperature theine theobromine Trinidad weight woody wurzel Young Hyson