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芥子为各种芥子植物的种子,在世界各地都有生长。黑芥子或棕芥子为Brassica nigra,Brassia juncea 或同类的,成熟的干种子,生长于欧洲,亚及美国。美国药典中规定不准有百分之五以上的其他种子或其他有机物体。至少有百分之0.6的芥子挥发油存在。种子中含有异硫氰基化α-丙烯酯。药用作为驱风剂及局部刺(?)剂。它为芥子油的来源。白芥子或黄芥子为Sinapis alba 的成熟种子,生长在同一地区。医药上的用途相似。芥子是依种源出售,如黄色或棕色的
Mustard seeds are seeds of various mustard plants and have been grown all over the world. Mustard or brown mustard seeds are Brassica nigra, Brassia juncea or similar, mature dry seeds, which grow in Europe, Asia and the United States. The United States Pharmacopoeia stipulates that no more than five percent of other seeds or other organic objects are allowed. At least 0.6% of mustard volatile oil is present. Seeds contain isothiocyanoated alpha-propenyl esters. Medicinal as a wind-repellent agent and local thorn (?) agent. It is a source of mustard oil. White mustard seeds or yellow mustard seeds are the mature seeds of Sinapis alba and grow in the same area. The medical uses are similar. Mustard seeds are sold according to provenance, such as yellow or brown