This product is the dried mature seed of the legume plant Canavalia gladiata (Jacq.) DC. The mature fruits are harvested in autumn, the seeds are peeled and dried in the sun.
根据《中国药典·2020年版·一部》记载：本品为豆科植物刀豆Canavalia gladiata （Jacq. ）DC.的干燥成熟种子。秋季采收成熟果实，剥取种子，晒干。
NMM ID | nmm-002t |
Systematic Name | Canavalia gladiata Seed |
Systematic Chinese Name | 刀豆种子（dāo dòu zhǒng zi） |
Generic Name | Dao-dou |
Generic Chinese Name | 刀豆（dāo dòu） |
NMM Type | plant |
Species Origins | Canavalia gladiata | 刀豆 |
Medicinal Parts | seed | 种子 |
Special Descriptions | |
Processing Methods | |
Systematic Name Explanation | This product is the dried mature seed of the legume plant Canavalia gladiata (Jacq.) DC. The mature fruits are harvested in autumn, the seeds are peeled and dried in the sun. |
Generic Name Explanation | NMMGN follows the Chinese name of the relevant Chinese medicinal materials in the Chinese Pharmacopoeia: 2020 edition: Volume I. |
Parent NMM | |
Child NMMs | |
Creators | |
Reviewers |
刀豆
English text reference: Chinese Pharmacopoeia (2020 Edition)
中文文本参考：《中国药典（2020年版）》
Overview 概述
Sword Bean Seed is the dried mature seed of Canavalia gladiata (Jacq.) DC. (Fam. Leguminosae). The drug is collected in autumn when the fruit is mature, the seeds are removed, and dried in the sun.
本品为豆科植物刀豆Canavalia gladiata （Jacq.）DC.的干燥成熟种子。秋季采收成熟果实，剥取种子，晒干。
Description 性状
Seeds flattened-ovate or flattened-reniform, 2-3.5 cm long, 1-2 cm wide, 0.5-1.2 cm thick. Surface pale red to purplish-red, slightly wrinkled, slightly lustrous. Hilum linear, about 2 cm long, with 3 white lines. Texture hard, difficult to break. Seed coat leathery, inner surface brownish-green and lustrous; cotyledons 2, yellowish-white, oily. Odour, slight; taste, weak, with a beany flavour on chewing.
本品呈扁卵形或扁肾形，长2～3.5cm，宽1～2cm，厚0.5～1.2cm。表面淡红色至红紫色，微皱缩，略有光泽。边缘具眉状黑色种脐，长约2cm，上有白色细纹3条。质硬，难破碎。种皮革质，内表面棕绿色而光亮；子叶2，黄白色，油润。气微，味淡，嚼之有豆腥味。
Identification 鉴别
Transverse section of the seed: Epidermal cells in 1 row, 2 rows at the hilum, with an outer cuticle and a distinct hypodermal sclerenchymatous ring. Supporting cells 2-6 rows, dumbbell-shaped. Nutritive cells consisting of more than 10 rows of thin-walled cells elongated radially, with the inner cells collapsed; vascular bundles present, below the seed coat are several rows of polyhedral endosperm cells. Cotyledon cells containing numerous starch grains. Islands of sieve cells elliptical, with reticulate thickening of the walls, few bordered pits. Surrounding the islands are 4-5 layers of thin-walled cells, with stellate tissue on both sides, the cells being stellate with large intercellular spaces.
本品横切面：表皮为1列栅状细胞，种脐处2列，外被角质层，光辉带明显。支持细胞2～6列，呈哑铃状。营养层由十多列切向延长的薄壁细胞组成，内侧细胞呈颓废状；有维管束，种皮下方为数列多角形胚乳细胞。子叶细胞含众多淀粉粒。管胞岛椭圆形，壁网状增厚，具缘纹孔少见。周围有4～5层薄壁细胞，其两侧为星状组织，细胞呈星芒状，有大型的细胞间隙。
Prepared Slices 饮片
Sword Bean Seed 刀豆
Processing 炮制
Remove impurities and crush before use.
除去杂质，用时捣碎。
Description 性状
Same as the crude drug.
同药材。
Identification 鉴别
Same as the crude drug.
同药材。
Property 性
warm.
温。
Flavor 味
Sweet.
甘。
Meridian tropism 归经
Enters the Stomach and Kidney meridians.
归胃、肾经。
Actions 功能
Warm, down, stop huh.
温中，下气，止呃。
Indications 主治
Used for deficiency-cold hiccups and vomiting.
用于虚寒呃逆，呕吐。
Dosage 用量
6-9g.
6～9g。
Administration 用法
None.
无。
Storage 贮藏
Store in a well-ventilated and dry place, protected from moth.
置通风干燥处，防蛀。
刀豆
Text reference: Chinese Pharmacopoeia (2015 Edition)
文本参考：《中国药典（2015年版）》
Overview 概述
Jack Bean is the dried ripe seed of Canavalia gladiata (Jacq.) DC. (Fam. Leguminosae). The fruit is collected in autumn when ripe, and the seed is gathered, and dried in the sun.
本品为豆科植物刀豆Canavalia gladiata（Jacq.）DC.的干燥成熟种子。秋季采收成熟果实，剥取种子，晒干。
Description 性状
Flattened-ovoid or flattened reniform, 2- 3.5 cm long, 1-2 cm wide, 0.5-1.2 em thick. The outer surface pale red to reddish-purple, slightly shrunken, somewhat lustrous. A black eyebrow-shaped hilum occurred at the edge, about 2 cm long, exhibiting 3 white fine striations. Texture hard, uneasily broken. Testa leathery, the inner surface brownish-green, lustrous; cotyledons 2, yellowish-white, oily. Odour, slight; taste, weak, bean-like on chewing.
本品呈扁卵形或扁肾形，长2～3.5cm，宽1～2cm，厚0.5～1.2cm。表面淡红色至红紫色，微皱缩，略有光泽。边缘具眉状黑色种跻，长约2cm，上有白色细纹3条。质硬，难破碎。种皮革质，内表面棕绿色而光亮；子叶2，黄白色，油润。气微，味淡，嚼之有豆腥味。
Identification 鉴别
Transverse section: Epidermis consisting of l layer of palisad cells, 2 layers at hilum, with cuticle, light bend distinct. Supporting cells consisting of 2-6 layers, dumbell-shaped. Nutritive layer consisting of more than l0 layers of parenchymatous cells, tangentially elongated, the inner ones obiterate. Vascular bundles visible, several layers of cells of cotyledons located under testa, polygonal containing numerous starch granules. Tracheid isletelliptical, walls reticularly thickened, bordered pits few, surrounded by 4-5 layers of parenchymatous cells, with stellate tissue at two sides, cells stellate, with large inter cellular space.
本品横切面：表皮为1列栅状细胞，种脐处2列，外被角质层，光辉带明显。支持细胞2～6列，呈哑铃状。营养层由十多列切向延长的薄壁细胞组成，内侧细胞呈颓废状；有维管束，种皮下方为数列多角形胚乳细胞。子叶细胞含众多淀粉粒。管胞岛椭圆形，壁网状增厚，具缘纹孔少见。周围有4～5层薄壁细胞，其两侧为星状组织，细胞呈星芒状，有大型的细胞间隙。
Prepared slices 饮片
Jack Bean 刀豆
Processing 炮制
Eliminate foreign matter. Break into pieces before use.
除去杂质，用时捣碎。
Property 性
Warm.
温。
Flavor 味
Sweet.
甘。
Meridian tropism 归经
Stomach and kidney meridians.
归胃、肾经。
Actions 功能
To warm the middle energizer, direct qi down-ward, and relieve hiccup.
温中，下气，止呃。
Indications 主治
Hiccup and vomiting caused by deficiency cold.
用于虚寒呃逆，呕吐。
Dosage 用量
6-9 g.
6～9 g。
Administration 用法
None.
无。
Storage 贮藏
Preserve in a ventilated and dry place, and protect from moth.
置通风干燥处，防蛀。
This product is the dried mature seed of the legume plant Canavalia gladiata (Jacq.) DC. The mature fruits are harvested in autumn, the seeds are peeled and dried in the sun.
本天然药材为豆科植物刀豆Canavalia gladiata （Jacq. ）DC.的干燥成熟种子。秋季采收成熟果实，剥取种子，晒干。