片姜黄

English text reference: Chinese Pharmacopoeia (2020 Edition)
中文文本参考：《中国药典（2020年版）》

Overview 概述

Curcuma Wenyujin Rhizome is the dried rhizome of Curcuma wenyujin Y.H.Chen et C.Ling (Fam. Zingiberaceae). The drug is collected in winter after the stems and leaves wither, washed clean, the rootlets removed, cut into thick slices while fresh, and dried in the sun.
本品为姜科植物温郁金Curcuma wenyujin Y.H.Chen et C.Ling的干燥根茎。冬季茎叶枯萎后采挖，洗净，除去须根，趁鲜纵切厚片，晒干。

Description 性状

Rhizomes irregularly oblong or irregularly shaped, of different sizes, 3-6 cm long, 1-3 cm wide, 0.1-0.4 cm thick. Outer surface greyish-yellow, rough and wrinkled, sometimes with nodes and rootlet scars. Cut surface yellowish-white to brownish-yellow, with a ring of vascular bundles and numerous small dots of fibrovascular bundles. Texture brittle and hard. Fracture greyish-white to brownish-yellow, slightly mealy. Odour, characteristically aromatic; taste, slightly bitter and pungent.
本品呈长圆形或不规则的片状，大小不一，长3～6cm，宽1～3cm，厚0.1～0.4cm。外皮灰黄色，粗糙皱缩，有时可见环节及须根痕。切面黄白色至棕黄色，有一圈环纹及多数筋脉小点。质脆而坚实。断面灰白色至棕黄色，略粉质。气香特异，味微苦而辛凉。

Identification 鉴别

(1) Transverse section of this product : there is residue on the epidermis, and the outer wall is slightly thicker. The cork cells are multi-column. The cortex is scattered with leaf trace vascular bundles ; the endodermis is obvious. The middle column is large, the outer vascular bundle is tough, the outer side is small, and the arrangement is close. Some xylem has only 1-2 vessels. Oil cells scattered in the cortex and stele parenchyma ; thin-walled cells contain starch granules.
（1）本品横切面：表皮有残留，外壁稍厚。木栓细胞多列。皮层散有叶迹维管束；内皮层明显。中柱大，维管束外韧型，靠外侧的较小，排列紧密，有的木质部仅1～2个导管。皮层及中柱薄壁组织中散有油细胞；薄壁细胞含淀粉粒。

(2) Take 1g of this product powder, add 5ml of petroleum ether ( 30 ~ 60 °C ), shake from time to time, about 30 minutes, filter, transfer the filtrate to a 5ml volumetric flask, add petroleum ether ( 30 ~ 60 °C ) to the scale, as a test solution. In addition, 1 g of the reference medicinal material of turmeric was taken and the solution of the reference medicinal material was prepared by the same method. According to the thin layer chromatography ( general rule 0502 ) test, 2μl of the above two solutions were taken and spotted on the same silica gel G thin layer plate, respectively, with petroleum ether ( 30 ~ 60 °C ) -ethyl acetate ( 17 : 3 ) as the developing agent, unfolded, taken out, dried, sprayed with 1 % vanillin sulfuric acid solution, and heated at 100 °C until the spot color was clear. In the chromatogram of the test sample, the spots of the same color appeared at the corresponding position of the chromatogram of the control medicinal material.
（2）取本品粉末1g，加石油醚（30～60℃）5ml，时时振摇，约30分钟，滤过，滤液转移至5ml量瓶中，加石油醚（30～60℃）至刻度，作为供试品溶液。另取片姜黄对照药材1g，同法制成对照药材溶液。照薄层色谱法（通则0502）试验，吸取上述两种溶液各2μl，分别点于同一硅胶G薄层板上，以石油醚（30～60℃）-乙酸乙酯（17:3）为展开剂，展开，取出，晾干，喷以1%香草醛硫酸溶液，在100℃加热至斑点显色清晰。供试品色谱中，在与对照药材色谱相应的位置上，显相同颜色的斑点。

Content Determination 含量测定

According to the volatile oil determination method ( general rule 2204 A method ) determination.
照挥发油测定法（通则2204甲法）测定。

The volatile oil content is not less than 1.0% (ml/g).
本品含挥发油不得少于1. 0% (ml/ g) 。

Property 性

Warm.
温。

Flavor 味

Pungent, bitter.
辛、苦。

Meridian tropism 归经

Enters the Spleen and Liver channels.
归脾、肝经。

Functions 功能

Breaks up blood and promotes the circulation of Qi, regulates menstruation and alleviates pain.
破血行气，通经止痛。

Indications 主治

Used for stabbing pain in the chest and hypochondrium, chest pain due to stagnation of Qi, dysmenorrhea and amenorrhea, abdominal masses, rheumatic pain in the shoulder and arm, and traumatic swelling and pain.
用于胸胁刺痛，胸痹心痛，痛经经闭，癥瘕，风湿肩臂疼痛，跌扑肿痛。

Dosage 用量

3-9g.
3-9g。

Administration 用法

None.
无。

Precautions 注意

Use with caution during pregnancy.
孕妇慎用。

Storage 贮藏

Store in a cool and dry place, protected from moth.
置阴凉干燥处，防蛀。

片姜黄

Text reference: Chinese Pharmacopoeia (2015 Edition)
文本参考：《中国药典（2015年版）》

Overview 概述

Wenyujin Concise Rhizome is the dried rhizome of Curcuma wenyujin Y.H.Chen et C.Ling (Fam.Zingiberaceae). The drug is collected in autumn when stem and leaf withered, washed clean, removed from fibrous root, cut into thick slice while fresh, and dried in the sun.
本品为姜科植物温郁金Curcuma wenyujin Y.H.Chen et C.Ling的干燥根茎。冬季茎叶枯萎后采挖，洗净，除去须根，趁鲜纵切厚片，晒干。

Description 性状

Long-rounded or irregularly sliced, varying in size, 3-6 cm long, 1-3 cm wide, 1-4 mm thick. The outer bark greyish-yellow, rough and shrunken with numerous annular nodes and fibrous root scars, transversely cut surface yellowish-white to brownish-yellow, with an annular ring and numerous dotted vascular bundles. Texture compact and fragile, fracture greyish-white to brownish-yellow, somewhat starchy. Odour, characteristic and aromatic; taste, slightly bitter, pungent and cool.
本品呈长圆形或不规则的片状，大小不一，长3～6cm，宽1～3cm，厚0.1～0.4cm。外皮灰黄色，粗糙皱缩，有时可见环节及须根痕。切面黄白色至棕黄色，有一圈环纹及多数筋脉小点。质脆而坚实。断面灰白色至棕黄色，略粉质。气香特异，味微苦而辛凉。

Identification 鉴别

（2）取本品粉末1g，加石油醚（30～60℃）5ml，时时振摇，约30分钟，滤过，滤液转移至5ml量瓶中，加石油醚（30～60℃）至刻度，作为供试品溶液。另取片姜黄对照药材1g，同法制成对照药材溶液。照薄层色谱法（通则0502）试验，吸取上述两种溶液各2μl，分别点于同一硅胶G薄层板上，以石油醚（30～60℃）-乙酸乙酯（17：3）为展开剂，展开，取出，晾干，喷以1%香草醛硫酸溶液，在100℃加热至斑点显色清晰。供试品色谱中，在与对照药材色谱相应的位置上，显相同颜色的斑点。
（1）本品横切面：表皮有残留，外壁稍厚。木栓细胞多列。皮层散有叶迹维管束；内皮层明显。中柱大，维管束外韧型，靠外侧的较小，排列紧密，有的木质部仅1～2个导管。皮层及中柱薄壁组织中散有油细胞I薄壁细胞含淀粉粒。

Examination 检查

Assay 含量测定

本品含挥发油不得少于1.0%（ml/g）。
照挥发油测定法（通则2204甲法）测定。

Property and Flavor 性味与归经

Warm; pungent and bitter.
辛、苦，温。归脾、肝经。

Actions and Indications 功能与主治

To break blood, move qi, unblock the meridians and relieve pain. Used for stabbing pain in the chest and the hypochondrium, chest bi disorder, heart pain, dysmenorrhea, amenorrhea, aggregation and accumulation, pain in the shoulder and arm caused by wind-dampness, and swelling and pain caused by traumatic injuries.
破血行气，通经止痛。用于胸胁刺痛，胸痹心痛，痛经经闭，癥瘕，风湿肩臂疼痛，跌扑肿痛。

Administration and dosage 用法与用量

3-9 g.
3～9g。

Precautions and Warnings 注意

Use with caution during pregnancy.
孕妇慎用。

Storage 贮藏

Preserve in a cool and dry place, and protect from moth.
置阴凉干燥处，防蛀。