TEA AND COFFEE
SIMPLE HOME TESTS.
The commonest adulteration in the case of tea is the addition of is known .as dressing." This is really a matter Of .dyeing. Poor tea is treated with certain substances in order to give it a fine, black colour. The presence of dressing" in tea may be detected by rubbing a sample of tea in a piece of fine white linen. A pocket handkerchiof serves the purpose very well. If the tea is pure, only a littlo dust will be left on the handkerchief, and this dust may bo blown away by your breath. If .tho tea has been treated a dark stain will be found on the material. The test for coffee is equally 6imple. I 1 ill a tumbler with water and sprinkle a few grains of coffee on the surface of the water. ' Pure coffee will float, because the coffee- bean contains so much oil that each grain is coated with a film ? °l\ ~l f- t he Mff ee has been adulterated, the grains will sink, and the water will become discoloured If cinerary Qias been added to the coffee the chickory grains will sink very rapidly, while the coffeo grains will continue to float, lliiis easily you can determine tho purity of tea or coffee.
Permanent link to this item
Hononga pūmau ki tēnei tūemi
https://paperspast.natlib.govt.nz/newspapers/DOM19190806.2.49
Bibliographic details
Ngā taipitopito pukapuka
Dominion, Volume 12, Issue 266, 6 August 1919, Page 7
Word count
Tapeke kupu
216TEA AND COFFEE Dominion, Volume 12, Issue 266, 6 August 1919, Page 7
Using this item
Te whakamahi i tēnei tūemi
Stuff Ltd is the copyright owner for the Dominion. You can reproduce in-copyright material from this newspaper for non-commercial use under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International licence (CC BY-NC-SA 4.0). This newspaper is not available for commercial use without the consent of Stuff Ltd. For advice on reproduction of out-of-copyright material from this newspaper, please refer to the Copyright guide.
Log in