The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 2
... colour and flavour , contains the smallest proportion of woody fibre , and is reckoned the best in quality . The quality of the tea depends also upon the age of the tree as well as upon the age of the leaf , the finest teas being ...
... colour and flavour , contains the smallest proportion of woody fibre , and is reckoned the best in quality . The quality of the tea depends also upon the age of the tree as well as upon the age of the leaf , the finest teas being ...
Page 6
... colour , and readily passes into the form of a resin by ex- posure to the air . It possesses the peculiar taste and smell of tea , and has very potent stimulating properties . Taken in rather large quantities , the oil is said to ...
... colour , and readily passes into the form of a resin by ex- posure to the air . It possesses the peculiar taste and smell of tea , and has very potent stimulating properties . Taken in rather large quantities , the oil is said to ...
Page 7
... coloured substance which resembles murexide , produced in a similar way from uric acid . Albumin or Vegetable Casein . - This substance exists almost entirely in the insoluble form in tea . A small quantity is dis- solved out with water ...
... coloured substance which resembles murexide , produced in a similar way from uric acid . Albumin or Vegetable Casein . - This substance exists almost entirely in the insoluble form in tea . A small quantity is dis- solved out with water ...
Page 19
... colour to green and then to a pale yellow . The first point to be ascertained is the number of cubic centimetres of permanganate solution required to decolourise 20 cubic centimetres of the indigo solution . For this purpose 20 cubic ...
... colour to green and then to a pale yellow . The first point to be ascertained is the number of cubic centimetres of permanganate solution required to decolourise 20 cubic centimetres of the indigo solution . For this purpose 20 cubic ...
Page 22
... made to represent black tea , the leaves were slightly coloured with Dutch pink to impart a bloom . The sophistication of teas imported from China has most fre- quently consisted of partially exhausted leaves , and of leaves 22 TEA .
... made to represent black tea , the leaves were slightly coloured with Dutch pink to impart a bloom . The sophistication of teas imported from China has most fre- quently consisted of partially exhausted leaves , and of leaves 22 TEA .
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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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