Amount Of Extract In Tea
Description
This section is from the book "Beverages And Their Adulteration Origin, Composition, Manufacture, Natural, Artificial, Fermented, Distilled, Alkaloidal And Fruit Juices", by Harvey W. Wiley. Also available from Amazon: Beverages And Their Adulteration.
Amount Of Extract In Tea
If tea be dried until its content of moisture be only about 5 percent, it will yield by boiling water almost half of its weight in extract. For instance, it was found that:
Indian tea yielded an average of.................... | 45.58 | percent of extract. |
Oolong tea an average of..................................... | 46.03 | percent of extract. |
Congo tea an average of......................................... | 37.48 | percent of extract. |
PLATE I
Genuine Tea Leaves and Possible Adulterants. (U. S. Dept. of Agriculture, Bureau of Chemistry Bulletin 13, Part VII.)
1. Tea. 2. Mate or Paraguay tea (Ilex Paraguayaensis.) 3. Camellia (Camellia Japonica). 4. Hawthorn. 5. Box Elder. 6. Horse Chestnut. 7. Sycamore. 8. Rose. 9. Plum. 10. Elm.
PLATE II
Genuine Tea Leaves and Possible Adulterants. (U. S. Dept. of Agriculture, Bureau of Chemistry Bulletin 13, Part VII.)
11. Ash. 12 and 13. Willow. 14. Beech. 15. Oak. 16. Missouri, or Golden Currant. 17. Ash. 18. Common Red Currant. 19. Birch. 20. Poplar. 21. Raspberry. 22. Jersey Tea (Ceanothus Americanus).
Continue to:
My Books
