Huanuco coca

The dried leaves of Erythroxylum Coca Lamarck (Fam. Erythroxylacece), known commercially as Huanuco Coca, or of E. Truxillense Rushy, known commercially as Truxillo Coca, 3nelding when assayed by the process given below, not less than 0.5 per cent, of the ether-soluble alkaloids of Coca. U.S. VIII. The dried leaves of Erythroxylum coca, Lam., and its varieties. fir., 1898. 

Huanuco coca bas been for a long time believed to be obtained from Erythroxylum Coca, this belief is confirmed by Rusby and was accepted by the Pharmacopoeial authorities. 

Cocaine. The coca plant is a small shrub or tree that is indigenous to South America, where for centuries the leaves have been chewed by the local native populations. The dried leaves of Ejythroxylum coca Lamarck, or E. truxillense Rusby, commercially known as Huanuco coca, or Truxillo coca... 

Common/vernacular names Bolivian or Huanuco coca ( . coca var. coca), Truxillo coca E. novogranatense var. truxillense), Columbian or Java coca (E. novogranatense var. novogranatense)), Amazonian coca E. coca var. ipadu), cocaine plant, and spadic. 

The liabitat of Erythroxylon spp. is principally the western side of Soutl America, and although indigenous species occur in India, Africa anc Australia, they have no economic value. Two kinds of coca leaves ar< available in commerce, Bolivian or Huanuco leaves derived from E. coce Lam. and Peruvian or Truxillo leaves obtained from E. truxillense Rusby both are cultivated in Java. In South America coca leaves are chewee with lime by the Indians as a stimulant, and are exported to Europe foi use in medicine and for the preparation of cocaine, but the prineipal sourc< of coca leaves is Java. Crude cocaine is manufactured in South Americi and exported for refining and some aspects of this industry have beei discussed recently. ... 

Huanuco (Cuzco-E. Coca, short-styled), named after cities of southern Peru, has best aroma, most cocaine, and less isatropyl-cocaine grown mostly in Bolivia and southern Peru, thriving and yielding maximum product at 1050 to 1800 M (3500 to 6000°), in 18° south, and inferior grades at lower elevations. 

The Bolivian or Huanuco plant is known as E. coca, Lam. It contains more cocaine but less alkaloid generally than the Peruvian leaf. The Peruvian or Truxillo variety is called botanically E. truxillense Rusby, and it contains more alkaloid but less cocaine than the former. 

---