Pinyin: Tinglizi
Aliases
Dingli, Dashi, Dashi.
Source
Plant of the Brassicaceae family, *Descurainia sophia* (L.) Webb ex Prantl.Desecurainia sophiaDried mature seeds of (L.) Webb ex Prantl.
Botanical Description
Annual or biennial herb, 20-80 cm tall. Entire plant grayish-white. Stem erect, branching in upper part, with longitudinal grooves, densely covered with branched short hairs. Leaf outline oblong or oblong-lanceolate, 3-7 cm long, 1-4 cm wide, bipinnate to tripinnate or deeply divided, ultimate segments linear or linear-oblong, 2-5 mm long, apex obtuse, entire margin, both surfaces with branched short hairs; lower stem leaves petiolate, upper petioles gradually shortened or nearly sessile. Raceme terminal, with many flowers; sepals 4, linear-oblong, apex obtuse, about 2 mm long, margin membranous, back with branched fine hairs; petals yellow, spatulate, nearly as long as sepals; stamens 6, nearly as long as petals, with claws at base; pistil 1, ovary cylindrical, style short. Silique cylindrical, 2.5-3 cm long, glabrous, slightly curved inward, not in line with pedicel, fruit valve midrib distinct. Seeds in one row per locule, small, numerous, oblong, slightly flattened, pale reddish-brown, surface with fine reticulation, becoming mucilaginous when moist. Flowering and fruiting period April to July.
Habitat and Distribution
Descurainia sophia grows on hillsides, fields, and farmland. It is distributed in Northeast, North, Northwest, East, and Southwest China.
Harvesting and Processing
In summer, when the fruit is ripe, harvest the plant, dry it in the sun, rub out the seeds, and remove impurities.
Medicinal Properties
Oblong-elliptic, slightly flattened, 0.8-1.2 mm long, approximately 0.5 mm wide. Surface brown or reddish-brown, slightly lustrous, with 2 longitudinal grooves, one of which is more distinct. One end is bluntly rounded, the other end slightly concave or nearly truncate; the hilum is whitish, located at the concave or truncate end. Odor: faint; Taste: slightly acrid and bitter, with a slight stickiness.
Chemical Constituents
This product mainly contains sinigrin, erucic acid, sinapine, glucosinolates, allyl isothiocyanate, and other components.
Pharmacology
Cardiotonic.
Properties and Channel Entry
Acrid, bitter, greatly Cold. Enters the Lung and Urinary Bladder channels.
Functions and Indications
Xie Fei Ping Chuan, Xing Shui Xiao Zhong
Dosage and Administration
Oral administration: decoct in water, 3-9 g; or made into pills or powder. External use: appropriate amount, decoct for washing or grind into powder for topical application. Use raw for promoting diuresis and reducing edema; use stir-fried for treating phlegm-rheum with wheezing and cough; use honey-fried for lung deficiency with phlegm obstruction causing wheezing and cough.
Precautions and Contraindications
For Spleen deficiency with wheezing and cough, and Spleen deficiency with edema and fullness, use with caution; do not take for prolonged periods.
Prescriptions
1. For lung abscess with dyspnea preventing lying flat: Tinglizi (roasted until yellow, pounded, formed into pills the size of a bullet), twelve Dazao. First, boil three sheng of water with the Dazao, remove the Dazao, add Tinglizi, boil to one sheng, and take in one dose. (From "Jin Gui Yao Lue" - Tingli Daza Xiefei Decoction) 2. For abdominal distension, masses, and abdominal masses: one sheng of Tinglizi (roasted), soak in five sheng of wine for seven days. Take three he, three times daily. (From "Qian Jin Yao Fang") 3. For all types of abscesses and malignant sores: Tinglizi 15 g, Mutong (chopped) 15 g, Chuan Dahuang (raw, chopped) 15 g, Mangcao 15 g. Grind the four ingredients into a fine powder, mix with water to form a thin paste, apply to the swelling, reapply when dry, continue until healed. (From "Sheng Ji Zong Lu") 4. For pediatric tinea capitis (white ringworm): Pound Tinglizi into a powder, wash the scalp with warm water to remove scabs, then apply the powder. (From "Xiao Er Wei Sheng Zong Wei Lun Fang")
