The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 17
... colouring matter thrown out of solution . A further amount of colouring matter is got rid of by evaporating this filtrate to dryness , and exhausting the residue with boiling water . The resulting solution is added to the aqueous ...
... colouring matter thrown out of solution . A further amount of colouring matter is got rid of by evaporating this filtrate to dryness , and exhausting the residue with boiling water . The resulting solution is added to the aqueous ...
Page 31
... matter insoluble in dilute acid ( HCl ) represents the sand , quartz , etc. The presence of iron and magnetic oxide ... colouring matter . Before applying any chemical test it is well to examine TEA . 31.
... matter insoluble in dilute acid ( HCl ) represents the sand , quartz , etc. The presence of iron and magnetic oxide ... colouring matter . Before applying any chemical test it is well to examine TEA . 31.
Page 43
... Colouring Matter Fat and Oil ... Legumin or Albumin Dextrin Cellulose and Insoluble Colouring ... 6'90 14'14 4'31 12.67 12.60 ... ... 13'59 11.81 13 ° 41 ... 9.87 11:23 11.23 13 ° 13 ... ... ⚫87 1'24 ⚫84 1.38 Matter Ash ...
... Colouring Matter Fat and Oil ... Legumin or Albumin Dextrin Cellulose and Insoluble Colouring ... 6'90 14'14 4'31 12.67 12.60 ... ... 13'59 11.81 13 ° 41 ... 9.87 11:23 11.23 13 ° 13 ... ... ⚫87 1'24 ⚫84 1.38 Matter Ash ...
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250 cubic centimetres added adulteration albumin alcohol alkaloid amount analysis appearance bean benzol boiling water caffeic acid Caffeine cane caramel cells cellulose cent centimetres of water chemical chemists chicory cocoa cocoa nibs coffee cold water colouring matter Congou consists constituents contains copper crystals cubic centimetres dextrin dextro-glucose dilute dissolved distilled dried estimation ether evaporated exhausted leaves Fehling's fermentation filtered filtrate flavour glucose grains grams granules green tea husk India infusion insoluble invert-sugar kernel Large crown 8vo laticiferous laticiferous tissue leaf magnesia mangold wurzel mineral matter mixture nitrogen obtained Orange Pekoe oxide Parsnips percentage of ash portion potash powder precipitate prepared present proportion pure cane-sugar raw sugar removed residue roasted rotatory power seeds Silica skin small quantity soluble in water solution Souchong specific gravity starch sulphuretted hydrogen sulphuric acid tannic acid tannin temperature theine theobromine Trinidad weight woody wurzel Young Hyson