The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 49
... method it is usual to take from 1,000 to 2,000 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 ...
... method it is usual to take from 1,000 to 2,000 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 ...
Page 56
... method , 200 grains of the coffee are exhausted with hot water to the extract is added basic acetate of lead , so ... methods of examination to which reference has been made . Darkest English Yorkshire . English . Foreign . Guernsey . 56 ...
... method , 200 grains of the coffee are exhausted with hot water to the extract is added basic acetate of lead , so ... methods of examination to which reference has been made . Darkest English Yorkshire . English . Foreign . Guernsey . 56 ...
Page 84
... methods adopted for the separation of this alkaloid very much resembles that employed for the estimation of caffeine . An alcoholic extract of the bean was made , the alcohol evaporated , basic acetate of lead added , and the ...
... methods adopted for the separation of this alkaloid very much resembles that employed for the estimation of caffeine . An alcoholic extract of the bean was made , the alcohol evaporated , basic acetate of lead added , and the ...
Page 90
... method of arriving at this result , and employed by some chemists , is to make a cold - water extract of the cocoa , estimate the dry extract and percentage of ash contained in it , and , by the adoption of certain standards for pure ...
... method of arriving at this result , and employed by some chemists , is to make a cold - water extract of the cocoa , estimate the dry extract and percentage of ash contained in it , and , by the adoption of certain standards for pure ...
Page 94
... cold - water extract , and proved by the subsequent detection of the characteristic tissue by the aid of the microscope . It might be estimated by one of the methods described under Coffee . FIG . 27. - POTATO . Iron Oxide . This 94 COCOA .
... cold - water extract , and proved by the subsequent detection of the characteristic tissue by the aid of the microscope . It might be estimated by one of the methods described under Coffee . FIG . 27. - POTATO . Iron Oxide . This 94 COCOA .
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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
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