Info

Source: Zhu et al, 1993-

Source: Zhu et al, 1993-

north Bengal, Western Ghats (Nilgiris) and Mysore. Camphor trees are grown in Sri Lanka up to an altitude of 1600 m. In India only leaf oil distillation was previously practiced, but in recent years the distillation has become uneconomical and discontinued. In the past large quantities of natural camphor were imported into India from Japan, but the cheap, synthetic camphor has almost totally replaced natural camphor. Now natural camphor is used only for medicinal purposes.

The camphor industry in India was based on leaf distillation. Simple distillaries existed in many growing areas in Dehra Dun, Sahranpur, Mysore, Wynad and Nilgiris. The distillation apparatus used in these areas was a simple one consisting of a boiler, a still, a condenser and a press for extracting the oil. Leaves were packed tightly in a copper still provided with an aluminium condenser. Steam was led in from a boiler and the distillation was continued throughout the day. The water in the condensing

Table 9.13 Average chemical composition of five samples of leaf oils of C. camphora from Madagascar

Compound

%

Compound

%

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