The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 19
... distilled water . 4. Dilute sulphuric acid : 200 cubic centimetres of concen- trated sulphuric acid diluted to 1 litre , or 1 in 5 . 5. Solution of pure gelatine : 25 grams of best glue dissolved in warm water , and made up to 1 litre ...
... distilled water . 4. Dilute sulphuric acid : 200 cubic centimetres of concen- trated sulphuric acid diluted to 1 litre , or 1 in 5 . 5. Solution of pure gelatine : 25 grams of best glue dissolved in warm water , and made up to 1 litre ...
Page 49
... distilled water equal in bulk to the coffee extract , and fer- mented under like conditions . The solutions are then distilled , and the specific gravity and bulk of the distillates taken . The amount of alcohol in the yeast solution is ...
... distilled water equal in bulk to the coffee extract , and fer- mented under like conditions . The solutions are then distilled , and the specific gravity and bulk of the distillates taken . The amount of alcohol in the yeast solution is ...
Page 85
... distilled from the filtrates , the resulting fatty residue boiled with water , and then allowed to become cold , and the aqueous solution filtered off . This process was twice repeated to ensure complete removal of the alkaloid dis ...
... distilled from the filtrates , the resulting fatty residue boiled with water , and then allowed to become cold , and the aqueous solution filtered off . This process was twice repeated to ensure complete removal of the alkaloid dis ...
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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