Coffee (Classic Reprint): A Monograph of the Economic Species of the Genus Coffea L: A Monograph of the Economic Species of the Genus Coffea L (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Coffee: A Monograph of the Economic Species of the Genus Coffea L

All discoverable bibliographical references have been studied care fully in connection with the macroscopic and microscopic examination of the species. Available evidence resulting from his research en abled the author to emend or amplify previous systematic descriptions and the nomenclatorial history of several species. The systematic treatment of the useful species is elaborated by a consideration of the other demands of an economic or applied botanical treatise. Thus the work enters a more original field of research than is characteristic of American methods of presentation. A section is devoted to coffee-adulteration and Sophistication which involves a discussion of the past and present botanical sources of adulterants and substi tutes and methods of detection, based on the microscopic, physical, and chemical examination of _the commercial coffees and coffee-like beverages of the world. Such a discussion is inseparably connected with the commercial manipulation and the methods of preparation of coffee. Research in this department of the subject necessitated the determination of the caffeine-content of the seeds of the more common economic species. These caffeine-extractions from raw and roasted coffees, to ascertain any change due to seed-torrefication, required a study of the chemistry involved. The treatment presented here is the only complete compilation of the knowledge at hand. This investigation prompted the author to include a list, illustrations, and maps of the geographical distribution of the other caffeine-producing plants of the world.

Ethnological considerations necessitated the historical discussion of the development of coffee-houses, an interesting part of ethno botany which shows the effect of the introduction of coffee on the political and social life of the metropolitan centers of Egypt, Arabia, Asia Minor, Europe, and America. Finally, the derivation of the term coffee presented here is a new theory which is based on original philological and botanical research which carried the author backward through the Arabic, Hindu, Sanskrit, and Dravidian lan guages of Southern India, and has resulted in the correction of an error which has existed since the tenth century.

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