厚朴自古以来就为常用中药,始载于《神农本草经》,列为中品。其药源复杂,《中华人民共和国药典》2010版收载了厚朴来源为木兰科植物厚朴、凹叶厚朴的干燥干皮、根皮及枝皮。产地采收加工在每年4～6月立夏到夏至之间,剥取生长一定年限以上的厚朴、凹叶厚朴树的树皮、根皮,根皮或枝皮直接阴干;干皮置沸水中微烫后,堆至阴湿处“发汗”至内表面变紫褐色或棕褐色,取出晒干,再蒸使其变软,卷成筒状,阴干。以皮厚油润,断面紫棕色,有小亮星,香辣 Magnolia since ancient times for the commonly used traditional Chinese medicine, is contained in the “Shen Nong’s Materia Medica”, as a product. Its complex source of medicine, “People’s Republic of China Pharmacopoeia” 2010 edition contains Magnolia officinalis Magnoliaceae plants, dry leaves of Magnoliaceae dry skin, root bark and bark. Origin of the harvesting and processing in the annual 4 to 6 months of the summer to summer solstice between the growth of more than a certain period of growth of Magnolia officinalis, tree bark, root bark, root bark or bark bark directly dry; dry skin in boiling water After it is slightly ironed, it is piled to the wet place “sweating ” to the inside surface becomes purple brown or tan, remove and dry, then steamed to soften, roll into a tube, dry. To thick leather oily, cross-section violet brown, a small bright star, spicy