câu đằng
Definition
- Noun:
- Gambier: A dried extract prepared from the leaves and young twigs of a tropical climbing shrub (Uncaria gambir), traditionally used in tanning, dyeing, and as an astringent medicine.
- Uncaria: A genus of climbing shrubs (family Rubiaceae), the source of gambier and used in traditional medicine. The term "câu đằng" often refers specifically to the plant or its hooked stems.
Usage Examples
- Noun:
- Câu đằng là một vị thuốc quan trọng trong Đông y. (Gambier is an important herb in traditional Eastern medicine.)
- Cây câu đằng có những móc câu đặc trưng. (The Uncaria plant has characteristic hook-like structures.)
Advanced Usage
- In pharmacology, "câu đằng" may refer to the herbal preparation used for its purported sedative, antihypertensive, and anticonvulsant properties.
- Chiết xuất câu đằng được nghiên cứu về tác dụng an thần. (The Uncaria extract is being studied for its sedative effects.)
Variants and Related Words
- Dây câu đằng: The vine or stem of the plant.
- Dây câu đằng được thu hái và phơi khô. (The Uncaria vine is harvested and dried.)
Synonyms
- Gambier: The commercial extract.
- Uncaria: The botanical genus name.
- Cat's Claw: A common name for some species, though this more often refers to from South America.
Related Terms
- Thảo dược: Herb, medicinal plant.
- Thuốc Nam: Traditional Vietnamese medicine.