The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 44
... Acid . This is also known by the names of caffeo- tannic acid and chlorogenic acid , and is present in coffee to the ... sulphuric acid , yields quinone . Sugar . The raw coffee beans contain from 5'70 to 7.70 per cent . of a ...
... Acid . This is also known by the names of caffeo- tannic acid and chlorogenic acid , and is present in coffee to the ... sulphuric acid , yields quinone . Sugar . The raw coffee beans contain from 5'70 to 7.70 per cent . of a ...
Page 45
... sulphuric acid , a quantity of glucose is obtained nearly equivalent to the weight of dry extract operated upon - a result which is inconsistent with the existence of sugar as a glucoside . The sugar is also but slightly affected by ...
... sulphuric acid , a quantity of glucose is obtained nearly equivalent to the weight of dry extract operated upon - a result which is inconsistent with the existence of sugar as a glucoside . The sugar is also but slightly affected by ...
Page 46
... Sulphuric Acid o'98 0'73 0'63 ... Chlorine ... ... Carbonic Acid Phosphoric Acid 0'59 0'60 ... 17 47 16'93 18:13 16:34 16 54 10 36 11 60 1105 10'80 II 13 16 98 14'92 10 15 10 85 0'45 3'62 4'48 3'49 3.82 3'10 5 ° 26 3'09 I'II 0'45 0 ...
... Sulphuric Acid o'98 0'73 0'63 ... Chlorine ... ... Carbonic Acid Phosphoric Acid 0'59 0'60 ... 17 47 16'93 18:13 16:34 16 54 10 36 11 60 1105 10'80 II 13 16 98 14'92 10 15 10 85 0'45 3'62 4'48 3'49 3.82 3'10 5 ° 26 3'09 I'II 0'45 0 ...
Page 57
... Sulphuric Acid 1138 1178 838 8.67 Chlorine 567 523 503 6.58 Carbonic ... Acid Phosphoric Acid Silica , etc ... Sand 34 87 17'75 063 30'95 7 · 81 6 · 98 311 6.88 12.87 775 601 306 6 · 851143 6:23 436 14'98 652 147 618 4 32 1472 649 131 ...
... Sulphuric Acid 1138 1178 838 8.67 Chlorine 567 523 503 6.58 Carbonic ... Acid Phosphoric Acid Silica , etc ... Sand 34 87 17'75 063 30'95 7 · 81 6 · 98 311 6.88 12.87 775 601 306 6 · 851143 6:23 436 14'98 652 147 618 4 32 1472 649 131 ...
Page 84
... sulphuric acid for six hours , and the resulting sugar estimated with the precautions observed in the case of starch . In addition to the direct estimation before described , the starch may be determined by difference — that is , by ...
... sulphuric acid for six hours , and the resulting sugar estimated with the precautions observed in the case of starch . In addition to the direct estimation before described , the starch may be determined by difference — that is , by ...
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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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