Camphor is a special tree species in our country. Its roots, stems, branches and leaves contain camphor and camphor oil. Processing camphor and camphor oil is one of the ways to get rich in rural areas. Mainly through distillation extraction. The process flow and operation method are as follows:

For the harvest of valerian, all the leaves of valerian turn yellow, and the best time is to harvest in mid-July of the lunar calendar. Use a hoe to dig up the whole root. Pay attention to minimize the breakage of the root, remove the soil and residual stems and leaves. If it rains when harvesting, it must not be digging. Wait until the soil is dry before digging. The dug roots cannot be washed with water. Wet roots Or the amount and quality of the root oil will be reduced. Do not expose it to the sun or dry it, otherwise, the oil contained in the rhizome and roots of Valerian root will be volatile. Therefore, put the excavated rhizomes and roots in the shade and spread them out to be processed for steaming....