thục địa
Definition
- Noun (Pharmacology / Traditional Medicine):
- Prepared Rehmannia Root: A processed form of the raw Rehmannia glutinosa root (sinh địa), which has been steamed and dried repeatedly until it turns black. It is a fundamental herb in traditional medicine.
- Key Properties: It is considered a "tonic" herb, primarily used to nourish the blood and vital essence (âm), and to benefit the kidneys and liver.
Usage Examples
- Noun:
- Bài thuốc này có vị thục địa. (This herbal formula contains prepared rehmannia root.)
- Thục địa thường được dùng để dưỡng huyết. (Prepared rehmannia is often used to nourish the blood.)
- Ông thầy thuốc kê đơn có thục địa. (The herbalist prescribed a formula with prepared rehmannia.)
Advanced Usage
- In traditional Vietnamese medicine (Thuốc Nam) and traditional Chinese medicine (Đông y), thục địa is a core component in many classic formulas, such as those for anemia, dizziness, tinnitus, and menstrual irregularities.
- It is often contrasted with sinh địa (raw/unprepared rehmannia root), which has cooler properties and is used for different therapeutic purposes.
Variants and Related Words
Sinh địa (n): Raw/Unprepared Rehmannia Root. The unprocessed form of the same plant root.
- Sinh địa và thục địa có công dụng khác nhau. (Raw rehmannia and prepared rehmannia have different uses.)
Địa hoàng (n): A general term for Rehmannia root, which can refer to both the raw (sinh địa hoàng) and prepared (thục địa hoàng) forms.
Synonyms
- Prepared Rehmannia
- Cooked Rehmannia Root
- Shu Di Huang (from the Chinese pharmaceutical name)
Related Concepts
- Âm hư (yin deficiency): A pattern in traditional medicine that thục địa is commonly used to treat.
- Huyết hư (blood deficiency): Another common pattern addressed by this herb.