牡丹皮与云南赤丹皮的鉴别黑龙江省药品检验所朱秀荣黑龙江中医学院中药系王凤芝牡丹皮为毛莫科植物牡丹ＰａｅｏｎｉａＳｕｆｆｒｕｔｉｃｏｓａＡｎｄｒ的根皮。云南赤丹皮为毛莫科Ｐａｅｏｎｉａ属植物的根皮。ｌ性状鉴别１．１牡丹皮：呈圆筒状或半筒状。外表面灰褐色或黄褐色，有多数横长皮孔和细根痕，栓皮脱落处粉红色，内表面淡灰黄色或浅棕色，有明显的细纵纹，常见发亮的结晶。质硬而脆，断面较平坦，粉性，淡粉色。气芳香，味微苦而温。Ｉ卫．２云南赤丹皮：呈槽状或半筒化外表面棕褐色，木栓脱落处呈淡棕黄褐，有横长略凸起的皮孔和圆柱支根痕。内表面淡黄棕色或淡紫棕色。质硬而脆，断面平坦，灰白色，无银色闪光小点，无浓烈的丹皮特殊香气。２显微鉴别２．１横切面２．１．１牡丹皮：木栓层为６—１０层，切向延长扁平的木拴细胞。木栓形成层细胞内侧有一层切向延长的长椭圆形、壁较厚的细胞。韧皮部和皮部薄壁细胞中含草酸钙簇晶和淀粉粒。２．１．２云南赤丹皮：木柱为８—１０列切向延长扁平的木栓细胞，皮层较薄。韧皮部含草酸钙簇晶和淀粉粒比皮层多。２．２粉末２．２．１牡丹皮粉末：；呈淡灰棕色，淀粉拉众多，单粒呈球形，直径３—１６ｍｍＯ草酸钙簇晶较多，大小不一，直径９ Identification of Cortex Moutan and Yunnan Chidan Peel The Heilongjiang Provincial Institute for Drug Control Zhu Xiurong Heilongjiang Traditional Chinese Medicine Department Wang Fengzhi The peony bark is the root bark of the peony Paeonia Suffruticosa Andr. Chidan, Yunnan, is the root bark of the Paeonia genus. l Character Identification 1.1 Cortex Moutan: Cylindrical or semi-cylindrical. The outer surface is gray-brown or brownish-brown, with many transversely long lenticels and fine root marks. The cork is detached at pink, and the inner surface is pale grayish yellow or light brown. There are obvious fine vertical lines and common shiny crystals. Hard and brittle, flatter cross section, powdery, light pink. Aroma, taste bitter and warm. I Wei. 2 Chidan, Yunnan: It has a trough or semi-cylindrical outer surface and is tan-brown. The detachment of the cork is pale brownish brown, and there are lenticels and cylindrical roots with slightly elongated transverse projections. The inner surface is yellowish brown or light violet brown. Hard and brittle, flat section, gray, no silver glitter, no strong Dan Pi special aroma. 2 microscopic identification 2.1 cross-section 2.1.1 Cortex Moutan: Cork layer of 6-10 layers, tangential extension of the flat hibiscus cells. There is a layer of tangentially elongated oblong cells with thicker walls on the inside of the corpuscle formation layer. Phacoemulsions and parenchyma cells contain calcium oxalate clusters and starch grains. 2.1.2 Yunnan Chidan Peel: The wood column is 8-10 rows of tangentially elongated flat cork cells with a thin cortex. The phloem contains more calcium oxalate clusters and starch grains than the cortex. 2.2 Powder 2.2.1 Cortex Moutan powder: It is pale grayish brown, starch pulls numerous, single particle is spherical, and the diameter of 3-16mm O calcium oxalate cluster crystals is more, the size is different, the diameter is 9