The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 5
... alkaloid theine , and this is no doubt due to the facility with which it crystallizes . The organic substances found to exist in tea are a volatile oil , to which much of the characteristic odour of tea is due , theine , tannin , an ...
... alkaloid theine , and this is no doubt due to the facility with which it crystallizes . The organic substances found to exist in tea are a volatile oil , to which much of the characteristic odour of tea is due , theine , tannin , an ...
Page 6
... ( 100 ° C. ) , a portion of an extract of green tea from which the oil or resinous matter had been removed . Theine , C , H , N , O , -This is the alkaloid of tea . ΙΟ The pro- portion in which it is present was for some time 6 TEA .
... ( 100 ° C. ) , a portion of an extract of green tea from which the oil or resinous matter had been removed . Theine , C , H , N , O , -This is the alkaloid of tea . ΙΟ The pro- portion in which it is present was for some time 6 TEA .
Page 43
... alkaloid found in tea , and described under the name of theine . Caffeine was discovered in coffee by Runge , in the year 1820 ; by Oudry , in tea in 1827 ; by Martin , in guarana , in 1840 ; and by Stenhouse , in Paullinia , in 1843 ...
... alkaloid found in tea , and described under the name of theine . Caffeine was discovered in coffee by Runge , in the year 1820 ; by Oudry , in tea in 1827 ; by Martin , in guarana , in 1840 ; and by Stenhouse , in Paullinia , in 1843 ...
Page 76
... alkaloid resembling theine , water , mineral matter , cocoa red , and other undefined pro- ducts of the fermentative ... Alkaloids Cocoa Red ... ... ... Indefinite Organic Matter , insoluble Ash ... : 50'44 " " 4'20 99 ... 6'30 ...
... alkaloid resembling theine , water , mineral matter , cocoa red , and other undefined pro- ducts of the fermentative ... Alkaloids Cocoa Red ... ... ... Indefinite Organic Matter , insoluble Ash ... : 50'44 " " 4'20 99 ... 6'30 ...
Page 77
... alkaloids , and albuminous matter ; and , in addition , it contains a certain quantity of starch , and nearly twice the quantity of important soluble mineral salts found in tea extract . It is not , therefore , strange that cocoa holds ...
... alkaloids , and albuminous matter ; and , in addition , it contains a certain quantity of starch , and nearly twice the quantity of important soluble mineral salts found in tea extract . It is not , therefore , strange that cocoa holds ...
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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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