The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 5
... Albumin . " It may be said that the only organic constituent of tea which has been completely isolated and identified is the alkaloid theine , and this is no doubt due to the facility with which it crystallizes . The organic substances ...
... Albumin . " It may be said that the only organic constituent of tea which has been completely isolated and identified is the alkaloid theine , and this is no doubt due to the facility with which it crystallizes . The organic substances ...
Page 6
... Albumin , insoluble soluble ... Extractive by alcohol , containing nitrogenous matter Dextrin or Gum Pectin and Pectic Acid Tannin ... Chlorophyll and Resin Cellulose ... Ash ... ... :: 100'00 100'00 Oil of Tea . - The essential oil of ...
... Albumin , insoluble soluble ... Extractive by alcohol , containing nitrogenous matter Dextrin or Gum Pectin and Pectic Acid Tannin ... Chlorophyll and Resin Cellulose ... Ash ... ... :: 100'00 100'00 Oil of Tea . - The essential oil of ...
Page 7
... Albumin and similar substances contain only from 15 to 16 per cent . It is to theine , chiefly , that the beneficial and stimulating properties of tea are ascribed , aided , no doubt , by the peculiar volatile principle present in the ...
... Albumin and similar substances contain only from 15 to 16 per cent . It is to theine , chiefly , that the beneficial and stimulating properties of tea are ascribed , aided , no doubt , by the peculiar volatile principle present in the ...
Page 8
... albumin . When the nitrogen , associated with the cellulose in the form of vegetable albumin , is deducted from the total amount of nitrogen found in the leaf , a quantity remains which cannot be accounted for by any proportion of ...
... albumin . When the nitrogen , associated with the cellulose in the form of vegetable albumin , is deducted from the total amount of nitrogen found in the leaf , a quantity remains which cannot be accounted for by any proportion of ...
Page 9
... albumin , part of the ash , and a little of the colouring matter . These cannot be well separated without loss of cellulose , the estimation of which has consequently to be determined by difference . Ash . The following table exhibits ...
... albumin , part of the ash , and a little of the colouring matter . These cannot be well separated without loss of cellulose , the estimation of which has consequently to be determined by difference . Ash . The following table exhibits ...
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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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