The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Results 6-10 of 23
Page 21
... insoluble in alcohol and water , less the mineral matter , and insoluble albumin . The ash is obtained by igniting a known weight of the dry residue , and the albumin , as before stated , by combustion with copper oxide . The difference ...
... insoluble in alcohol and water , less the mineral matter , and insoluble albumin . The ash is obtained by igniting a known weight of the dry residue , and the albumin , as before stated , by combustion with copper oxide . The difference ...
Page 22
James Bell. therein . The portion insoluble in water is then dried and weighed . The powder left after treatment with ether is shaken up with alcohol for some time , the alcoholic extract is filtered and gently evaporated to dryness ...
James Bell. therein . The portion insoluble in water is then dried and weighed . The powder left after treatment with ether is shaken up with alcohol for some time , the alcoholic extract is filtered and gently evaporated to dryness ...
Page 28
... insoluble in Acids , & c . Percentage of Percentage of Ash Alka- Description . Mois- ture . Ash . Solu- ble in Water . Shanghai Congou , common 99 99 99 99 29 fine Moyune Young Hyson , com ... fine ... 99 " " 99 Hyson , common ... 22 99 ...
... insoluble in Acids , & c . Percentage of Percentage of Ash Alka- Description . Mois- ture . Ash . Solu- ble in Water . Shanghai Congou , common 99 99 99 99 29 fine Moyune Young Hyson , com ... fine ... 99 " " 99 Hyson , common ... 22 99 ...
Page 31
... insoluble part dried , ignited , and weighed . The alkalinity of the soluble part may then be taken with decinormal sulphuric acid solution , and expressed as potash ( KHO ) . The amount of mineral matter insoluble in dilute acid ( HCl ) ...
... insoluble part dried , ignited , and weighed . The alkalinity of the soluble part may then be taken with decinormal sulphuric acid solution , and expressed as potash ( KHO ) . The amount of mineral matter insoluble in dilute acid ( HCl ) ...
Page 42
... Caffeine Thick insoluble Ethereal Oil Aromatic Oil Mineral Constituents :: ... 34'00 12'00 13'00 15'50 10'00 3'5 to 5'0 3'00 0.80 Ο ΟΟΙ 0'002 6.697 We have obtained the following results from two samples of 42 COFFEE .
... Caffeine Thick insoluble Ethereal Oil Aromatic Oil Mineral Constituents :: ... 34'00 12'00 13'00 15'50 10'00 3'5 to 5'0 3'00 0.80 Ο ΟΟΙ 0'002 6.697 We have obtained the following results from two samples of 42 COFFEE .
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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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