The Chemistry of Foods: Tea, coffee, cocoa, sugar, etc |
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Page 4
The imports of tea into the United Kingdom in the year 1880 amounted to 2081⁄2 millions of pounds . Of this 1593 millions came from China , and 451⁄2 millions from British India , whilst the remainder , amounting to 33 millions ...
The imports of tea into the United Kingdom in the year 1880 amounted to 2081⁄2 millions of pounds . Of this 1593 millions came from China , and 451⁄2 millions from British India , whilst the remainder , amounting to 33 millions ...
Page 22
... when 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 ...
... when 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 ...
Page 24
... of exhausted leaves were collected in this country , and , after the addition of gum and other matters , were rolled and re - dried so as to resemble genuine tea . This spurious tea was mixed with tea as imported and sold to ...
... of exhausted leaves were collected in this country , and , after the addition of gum and other matters , were rolled and re - dried so as to resemble genuine tea . This spurious tea was mixed with tea as imported and sold to ...
Page 27
This remark also applies , as has been already pointed out , to the estimation of the total extractive matter in tea , which varies to an equal if not greater extent . * As imported . TABLE OF TOTAL AMOUNT OF ASH In various kinds of TEA ...
This remark also applies , as has been already pointed out , to the estimation of the total extractive matter in tea , which varies to an equal if not greater extent . * As imported . TABLE OF TOTAL AMOUNT OF ASH In various kinds of TEA ...
Page 29
In the preceding results , which are selected from numerous analyses of average samples of genuine imported teas , the per- centage of ash in no case , except one on page 10 , reaches 8 per cent . , while the sand in only a few ...
In the preceding results , which are selected from numerous analyses of average samples of genuine imported teas , the per- centage of ash in no case , except one on page 10 , reaches 8 per cent . , while the sand in only a few ...
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added addition adulteration albumin alcohol amount analysis appearance applied bean becomes boiling called cane-sugar cells cellulose cent character characteristic chicory cloth cocoa coffee colour composed consists constituents contains copper crystals cubic centimetres Description determined dilute dissolved distilled dried Edition employed estimated ether evaporated examination exhausted extract filtered filtrate given gives glucose grains grams green ground heated husk imported India insoluble known lead leaf leaves less London manufacture matter means method microscope mineral mixed mixture nibs nitrogen obtained oxide percentage plant portion powder precipitate prepared present produced proportion pure quantity removed represented residue roasted roots sample seeds seen separated shown similar skin soluble solution sometimes specific gravity starch structure substances sugar sulphuric acid surface taken tannin theine tissue treated tubes usually weight
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Bibliographic information
| Title | The Chemistry of Foods: Tea, coffee, cocoa, sugar, etc South Kensington Museum science handbooks Part 1 of The Chemistry of Foods: With Microscopic Illustrations, James Bell |
| Author | James Bell |
| Publisher | Committee of Council on Education, 1881 |
| Original from | Oxford University |
| Digitized | 5 May 2006 |
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