Food Materials and Their AdulterationsHome Science Publishing Company, 1898 - 183 sider |
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Side 51
... copper pans is a popular error , which has been persisted in for a long time , without a shadow of truth for its foundation . For black tea the leaves are beaten and exposed to the air for some time , so that a sort of fermentation sets ...
... copper pans is a popular error , which has been persisted in for a long time , without a shadow of truth for its foundation . For black tea the leaves are beaten and exposed to the air for some time , so that a sort of fermentation sets ...
Side 84
... copper sulphate , in order to enable the baker to make whiter bread out of an inferior grade of flour . It is said that the gluten becomes softer and less elastic and tenacious when the flour has been over - heated in grinding , or if ...
... copper sulphate , in order to enable the baker to make whiter bread out of an inferior grade of flour . It is said that the gluten becomes softer and less elastic and tenacious when the flour has been over - heated in grinding , or if ...
Side 114
... copper being used as a cathode , on which tin shows very quickly . The use of sulphuretted hydrogen is not to be relied upon , since on heating there seems to be formed an organic compound of the color of tin sul- phide which is very ...
... copper being used as a cathode , on which tin shows very quickly . The use of sulphuretted hydrogen is not to be relied upon , since on heating there seems to be formed an organic compound of the color of tin sul- phide which is very ...
Side 115
... copper oxide will appear in a few minutes . — Fehling's solution may be made as follows : 34.632 grams of pure dry copper sulphate are dissolved in 500 cc . of water and put into a bottle with a glass stopper . 173 grams of Rochelle ...
... copper oxide will appear in a few minutes . — Fehling's solution may be made as follows : 34.632 grams of pure dry copper sulphate are dissolved in 500 cc . of water and put into a bottle with a glass stopper . 173 grams of Rochelle ...
Side 116
... copper accurately . 50 cc . of the copper , or 100 of the mixture , are considered to reduce .5 gram of grape or of invert sugar . The skilled analyst uses the polariscope or saccha- rimeter to determine the percentage of pure sugar ...
... copper accurately . 50 cc . of the copper , or 100 of the mixture , are considered to reduce .5 gram of grape or of invert sugar . The skilled analyst uses the polariscope or saccha- rimeter to determine the percentage of pure sugar ...
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acetic acetic acid adulteration alcohol Allspice amount article of diet beet beverage boiling water bread butter called cane sugar carbonic acid cassia cause cells cent cheese chemical chemist Chemistry cinnamon cocoa coffee color composition contain cooking copper corn meal cream of tartar detected dextrine dextrose Dietary Studies digestive diseases dissolved drinking examined Fehling's solution fermentation flavor flour food materials fruits germs ginger gives glucose gluten grain grams grape sugar grinding ground hard water heat hence honey housekeeping husk infusion kernels less lime liquid maize maltose meat metallic milk mustard nitrogenous substance nutmegs nutrition Oatmeal obtained pepper phosphate plant portion Potatoes pounds powdered prepared present produced pure quantity rice salts samples seeds soda soluble solution spices starch sugar sucrose sulphate sweet syrup taste tests tion tumeric vegetable vessel vinegar water supply wheat wheat flour yeast