The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 91
... sulphuric acid to invert the cane - sugar , and the amount present is then determined by a standard solution of copper salt . Starch . - It has already been stated that cocoa contains from 4 to 5 per cent . of starch ; but there is no ...
... sulphuric acid to invert the cane - sugar , and the amount present is then determined by a standard solution of copper salt . Starch . - It has already been stated that cocoa contains from 4 to 5 per cent . of starch ; but there is no ...
Page 94
... sulphuric acid . By this means the starch is rendered soluble and can be readily filtered from the albuminous matter , whilst the cellulose remains practically unaffected . The soluble starch is removed by filtration , and , after the ...
... sulphuric acid . By this means the starch is rendered soluble and can be readily filtered from the albuminous matter , whilst the cellulose remains practically unaffected . The soluble starch is removed by filtration , and , after the ...
Page 101
... sulphuric acid according to the nature of the substances used . This mixture is then passed into what is called a converter , where it is boiled for from twenty minutes to half an hour under a pressure of about 70 lb. of steam ...
... sulphuric acid according to the nature of the substances used . This mixture is then passed into what is called a converter , where it is boiled for from twenty minutes to half an hour under a pressure of about 70 lb. of steam ...
Page 102
... sulphuric acid , and , after filtering , the syrup is partially evaporated in a vacuum - pan , and run through a ... sulphuric acid . This mixture is allowed to stand for twenty - four hours in the cold , and then heated for about ...
... sulphuric acid , and , after filtering , the syrup is partially evaporated in a vacuum - pan , and run through a ... sulphuric acid . This mixture is allowed to stand for twenty - four hours in the cold , and then heated for about ...
Page 105
... sulphuric acid for thirty- six hours . The manufacture had been carried on for some years on the Continent before its introduction into this country , and a liquid form of it is imported and used to some extent by con- fectioners . The ...
... sulphuric acid for thirty- six hours . The manufacture had been carried on for some years on the Continent before its introduction into this country , and a liquid form of it is imported and used to some extent by con- fectioners . The ...
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Common terms and phrases
250 cubic centimetres Acorns added adulteration albumin alcohol alkaloid analysis appearance bean benzol berries boiling water caffeic acid Caffeine cane caramel cells cellulose cent centimetres of water chemists chicory cloth cocoa cocoa nibs coffee cold water colouring matter Congou consists constituents contains copper crown 8vo crystals cubic centimetres Demy 8vo dextrin dextro-glucose dilute dissolved distilled dried estimation ether evaporated exhausted leaves Fehling's fermentation filtered filtrate glucose grains grams granules green tea husk India infusion insoluble invert-sugar kernel laticiferous laticiferous tissue leaf magnesia mangold wurzel manufacture mineral matter mixture nitrogen obtained Orange Pekoe oxide Parsnips percentage of ash portion potash powder precipitate prepared present proportion Prussian blue pure cane-sugar raw sugar removed roasted sample of coffee seeds Silica skin soluble in water solution Souchong specific gravity starch sulphuretted hydrogen sulphuric acid tannic acid tannin temperature theine theobromine Trinidad vegetable substances weight wurzel
Popular passages
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