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.
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)
Overview
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.
Description
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.
Identification
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.
Prepared Slices
Sword Bean Seed
Processing
Remove impurities and crush before use.
Description
Same as the crude drug.
Identification
Same as the crude drug.
Property
warm.
Flavor
Sweet.
Meridian tropism
Enters the Stomach and Kidney meridians.
Actions
Warm, down, stop huh.
Indications
Used for deficiency-cold hiccups and vomiting.
Dosage
6-9g.
Administration
None.
Storage
Store in a well-ventilated and dry place, protected from moth.
刀豆
Text reference: Chinese Pharmacopoeia (2015 Edition)
Overview
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.
Description
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.
Identification
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.
Prepared slices
Jack Bean
Processing
Eliminate foreign matter. Break into pieces before use.
Property
Warm.
Flavor
Sweet.
Meridian tropism
Stomach and kidney meridians.
Actions
To warm the middle energizer, direct qi down-ward, and relieve hiccup.
Indications
Hiccup and vomiting caused by deficiency cold.
Dosage
6-9 g.
Administration
None.
Storage
Preserve in a ventilated and dry place, and protect from moth.
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.