The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
From inside the book
Results 1-5 of 15
Page 7
... 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 prepared leaf ...
... 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 prepared leaf ...
Page 8
... similar gum , convertible into sugar by sulphuric acid , was practically absent . It is true that about 1⁄2 per cent . of a gum corresponding to dextrin was found in the green tea ; but unless the Chinese are exonerated from the ...
... similar gum , convertible into sugar by sulphuric acid , was practically absent . It is true that about 1⁄2 per cent . of a gum corresponding to dextrin was found in the green tea ; but unless the Chinese are exonerated from the ...
Page 9
... similar conditions the tannin of the black tea gave no sugar . Tannin . This is the most abundant substance found in the soluble part of the tea - leaf . Although in some degree it answers to ordinary gallo - tannic acid in its ...
... similar conditions the tannin of the black tea gave no sugar . Tannin . This is the most abundant substance found in the soluble part of the tea - leaf . Although in some degree it answers to ordinary gallo - tannic acid in its ...
Page 14
... similar in structure , but the cells are smaller , and there are no stomates . The interior of the leaf is made up of fibro - vascular tissue , like that composing the midrib and veins , surrounded on all sides by a network of round or ...
... similar in structure , but the cells are smaller , and there are no stomates . The interior of the leaf is made up of fibro - vascular tissue , like that composing the midrib and veins , surrounded on all sides by a network of round or ...
Page 20
... similar way , as in the first operation , is thrown on a filter and well washed with hot water . The insoluble portion which remains on the filter is dried and weighed ; and , in order to determine the amount of nitrogen present , about ...
... similar way , as in the first operation , is thrown on a filter and well washed with hot water . The insoluble portion which remains on the filter is dried and weighed ; and , in order to determine the amount of nitrogen present , about ...
Other editions - View all
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
Popular passages
Page 113 - FREDERICK M°CoY, FGS One vol., Royal 410. Plates, /i. is. A CATALOGUE OF THE COLLECTION OF CAMBRIAN AND SILURIAN FOSSILS contained in the Geological Museum of the University of Cambridge, by JW SALTER, FGS With a Portrait of PROFESSOR SEDGWICK.
Page 113 - The Electrical Researches of the Honourable Henry Cavendish, FRS Written between 1771 and 1781, Edited from the original manuscripts in the possession of the Duke of Devonshire, KG, by J. CLERK MAXWELL, FRS Demy 8vo. cloth, iSs. Hydrodynamics, a Treatise on the Mathematical Theory of Fluid Motion, by HORACE LAMB, MA, Professor of Mathematics in the University of Adelaide.
Page 112 - A DESCRIPTION OF THE HUMAN BODY : Its Structure and Functions. Illustrated by reduced copies of the Author's "Physiological Diagrams," to which Series this is a Companion work, designed for the Use of Teachers in Schools, and of Young Men destined for the Medical Profession, and for Popular Instruction generally.
Page 113 - Crown 410. js. 6d. A TREATISE ON THE GENERAL PRINCIPLES OF CHEMISTRY, by MM PATTISON MUIR, MA, Fellow and Prelector in Chemistry of Gonville and Caius College.
Page 5 - Strictly pure, and well manufactured."— WW Stoddart, FIC, FCS, Analyst for Bristol. " Pure Cocoa, from which a portion of its oily ingredients has been extracted.
Page 117 - SURVEYING INSTRUMENTS OF EVERY DESCRIPTION, OF THE HIGHEST QUALITY AND FINISH AT THE MOST MODERATE PRICES.
Page 118 - Book anb palette, Including COLOURS, BRUSH, & PENCIL, Without Increase of Ordinary Thickness. For its extreme convenience and portability it is particularly adapted to the use of Tourists and all persons desirous of having the materials at hand for a hasty Sketch without being encumbered with the weight of an ordinary Box. CHARLES ROBERSON & CO., Manufacturers of Artists' Drawing and Painting Materials, Oil and Water Colours PREPARED CANVASES, MILLBOARDS, AND PANELS.
Page 1 - GOLD MEDAL, PARIS, 1878 JOSEPH GILLOTT'S CELEBRATED BY ALL DEALERS THROUGHOUT THE WORLD. Every Packet bears the fac simile Signature, ROYAL SCHOOL OF ART NEEDLEWORK, EXHIBITION ROAD, SOUTH KENSINGTON.
Page 3 - qualities of WRITING AND COPYING INKS, and each possesses some special character adapted to the many "different requirements of CORRESPONDENCE and the COUNTING HOUSE. These distinctive features, and the general excellence, make them preferable to, and more widely useful than, the ordinary class of manufactures. STEPHENS