Research Reagents-Caoyuye

Caowuye [Pinyin name] Cǎo Wū Yè [English name] FOLIUM ACONITI KUSNEZOFFII [Source] This is a Mongolian traditional medicine. It is the dried leaf of Aconitum kusnezoffii Reichb. In summer, the leafy flowers are harvested when they are not in bloom, to remove impurities and dry in time. 【Properties】 This product is mostly shrunken, curled and broken. The intact leaf is oval after flattening, 3 complete lobes, 5-12 cm long, 10-17 cm wide; gray-green or yellow-green; the middle lobes are rhombic, gradually pointed, nearly pinnately split; Lobe lanceolate or ovate-lanceolate. The upper surface is slightly pilose, and the lower surface is glabrous; the petiole is 2-6 cm long. Crisp. Slightly gas, slightly salty and spicy. [Identification] (1) Surface view of the product: the vertical wall of the upper epidermal cells is curved like a microwave, and the outer flat wall has sparse keratinous texture; the non-glandular single cells are mostly sickle-shaped curved, up to 468μm, 44μm in diameter The walls have verrucous protrusions. The vertical wall of epidermal cells is deeply wavy and curved; there are many stomata, infinitive, and 3 to 5 accessory cells. (2) Take 5g of this product powder, add 25ml of chloroform, shake well, add 2ml of sodium carbonate test solution, shake for 30 minutes, filter, take the filtrate and add 4ml of dilute hydrochloric acid, shake, divide the acid solution, filter, The filtrate was divided into two test tubes, one tube was added 2 drops of bismuth potassium iodide test solution, resulting in a brownish yellow precipitate; the other tube was added 2 drops of silicotungstic acid test solution, resulting in an off-white precipitate. 【Sexual flavor】 Spicy, astringent, flat; poisonous. 【Functions】 Clear heat, detoxify and relieve pain. For fever, fever, diarrhea, abdominal pain, headache, toothache. 【Usage and Dosage】 1 ~ 1.2g, more for pills. [Note] Use with caution in pregnant women. [Storage] Store in a dry place. [Excerpt] "Chinese Pharmacopoeia"

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