The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 24
... addition of gum and other matters , were rolled and re - dried so as to resemble genuine tea . This spurious tea was mixed with tea as imported and sold to the public as genuine , whereby a very serious fraud was perpetrated . By the ...
... addition of gum and other matters , were rolled and re - dried so as to resemble genuine tea . This spurious tea was mixed with tea as imported and sold to the public as genuine , whereby a very serious fraud was perpetrated . By the ...
Page 31
... addition of either sand , quartz , or other earthy impurities . The substances used for facing tea are best removed by shaking up with cold water a portion of the sample to which facing has been applied , and pouring off the liquid into ...
... addition of either sand , quartz , or other earthy impurities . The substances used for facing tea are best removed by shaking up with cold water a portion of the sample to which facing has been applied , and pouring off the liquid into ...
Page 32
... addition of a little acid . Indigo , in the presence of potash , remains permanent for some time in the cold , but its colour is discharged by solution of permanganate of potash . Turmeric is altered to a peculiar reddish brown by ...
... addition of a little acid . Indigo , in the presence of potash , remains permanent for some time in the cold , but its colour is discharged by solution of permanganate of potash . Turmeric is altered to a peculiar reddish brown by ...
Page 50
... addition to , coffee which is known under the name of " chicory . " This may legally consist of the roasted chicory root itself or of an allied root , or other vegetable substance applicable to the uses of chicory . The sale , therefore ...
... addition to , coffee which is known under the name of " chicory . " This may legally consist of the roasted chicory root itself or of an allied root , or other vegetable substance applicable to the uses of chicory . The sale , therefore ...
Page 51
... addition to , than as a substitute for coffee . Indeed , it may be said that sugar is almost the only constituent which chicory and the allied roots contain that causes them to have any property in common with coffee , for in nearly all ...
... addition to , than as a substitute for coffee . Indeed , it may be said that sugar is almost the only constituent which chicory and the allied roots contain that causes them to have any property in common with coffee , for in nearly all ...
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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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