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Introduction to easily confused Chinese medicines in the anti-epidemic prescription “Qingguan No. 1”

Isatidis root original medicinal material: visible pimples
The original medicinal material of Isatidis root: cylindrical, twisted, gray-yellow, with vertical lenticels.

The Taiwanese government of the Department of Traditional Chinese Medicine of the Ministry of Health and Welfare recently issued a temporary drug certificate “Qingguan No. 1 (NRICM101)” to allow domestic pharmaceutical companies to manufacture the drug during the epidemic, making this anti-epidemic prescription available for sale. It can also be used in Taiwan abroad. It is currently mainly distributed to hospitals as a treatment for patients with new coronavirus pneumonia. The prescriptions mainly include ten herbs, which are Houttuynia cordata, Isatidis root, Scutellaria baicalensis, Gualou Shi, Nepeta , Mulberry leaves, Mint, Magnolia officinalis, windproof, Zhigancao is mainly used for exogenous epidemic diseases. It has the functions of relieving the surface and relieving the lungs, clearing away heat and detoxification, and widening the chest. The effect of resolving phlegm, harmonizing the stomach and lowering qi, this prescription is mainly based on the ” e9%98%b2%e6%95%97%e6%af%92%e6%95%a3/”>Jingfang Baidu Powder” (http://en.whatsintcm.com/dt_articles/%e8 % 8d%8a%e9%98%b2%e6%95%97%e6%af%92%e6%95%a3/), changed by addition and subtraction.

Medicinal materials in the recipeMagnolia officinalis(http://en.whatsintcm.com/%e4%b8%ad%e8%97%a5%e5%b8%b8%e7%94%a8%e5%9c%a8% e6%b2%bb%e7%99%82%e8%85%b8%e8%83%83%e4%b8%8d%e9%81%a9%e7%9a%84%e5%8e%9a%e6% 9c%b4-%e5%88%86%e6%88%90%e5%a5%bd%e5%b9%be%e7%a8%ae-%e5%90%84%e6%9c%89%e6% 89%80/) and Zhigancao (http://localhost /tcm/%e7%94%98%e8%8d%89%e4%b8%8d%e7%b0%a1%e5%96%ae%ef%bc%8c%e7%94%a8%e6%b3% 95%e8%a9%b2%e6%b3%a8%e6%84%8f/) has been introduced before, so I won’t go into details again. What I want to explain this time is Northern BanlangenThis medicinal material.

According to the third edition of the Taiwan Chinese Pharmacopoeia, its source is cruciferous plants WoadThe dry root of Isatis indigotica Fortune (http://en.whatsintcm.com/dt_articles/%e6%9d%bf%e8%97%8d%e6%a0%b9/). Mainly produced in Hebei, Anhui, Jiangsu, Henan and other places, and some are also cultivated in Taiwan. The plant has been improved in variety. Its ingredients are several times higher than the original ones. It is a market worthy of development because it is Root medicinal materials are mainly excavated in autumn. After excavating, remove the sediment, dry them, remove impurities, wash them, slice them and dry them before use. Its quality can be identified in several ways. One is to look at the color of the outer skin of the pieces, which is usually yellowish-white, and the middle part of the wood and cambium are preferably brown. The other is to taste the medicinal materials. It is slightly sweet, but will taste bitter and astringent after a few seconds. Because it is a cruciferous plant, the whole tasting process will have the aroma of radish. If there is no such aroma, it may be a confused product. Another medicinal material that is easily confused because of similar names is Isatis root. According to the third edition of the Taiwan Chinese Pharmacopoeia, its source is the dried rhizome and roots of the Acanthaceae plant Strobilanthes cusia (Nees) Kuntze, which is mainly produced in Guangdong and Fujian. Sichuan, Guangxi and other places, and Taiwan because of the suitable climate and soil, they are also planted sporadically. They are usually harvested in summer and autumn. The sediment and above-ground parts are removed, washed and dried. Traditionally, long and sturdy strips are selected. , and those with shorter above-ground stems are better.

The main difference between northern Isatis root and southern Isatis root can be identified in several ways: Generally speaking, the surface of northern Isatis root is grey-yellow, with longitudinal wrinkles and transverse lenticel-like protrusions, while the southern isatis root is grey-brown with enlarged nodes. , with fine roots or stem residues. The other type of Northern Indigo is usually solid and soft, with yellowish-white skin and brown wood. The Southern Indigo is usually hard and brittle, with blue-grey skin and gray-blue wood. It usually has pith in the middle, and finally the Northern Indigo has a solid body and soft texture. Because Isatis is a cruciferous plant, it will have the aroma of radish when you taste it, but Nanbanlan does not have this smell. The above are a few simple identification methods for people to refer to when purchasing.

In addition, “Qingguan No. 1” is a prescription drug for treatment. Its main function is to inhibit the entry of the new coronavirus into cells. It can only be used when prescribed by Chinese medicine practitioners. It is not a health-care tea drink and is not suitable for daily use. As a long-term anti-epidemic tea, this prescription is mainly used for confirmed cases of mild and severe illness, rather than for general healthy people. In addition, it is rumored that this prescription can be used to treat colds. Basically, this prescription is based on “Jingfang Baidu Powder” with additional additions and subtractions. “Jingfang Baidu Powder” is mainly used for exogenous wind, cold, dampness and evil. Because of the problems of cold, fever, headache and strong neck, some doctors will use it on patients with colds. The “Qingguan No. 1” prescription is based on this, so it will have a certain degree of effect. But the fastest and best way is to consult a qualified Chinese medicine practitioner. Don’t rush into taking medicine in a hurry. Only by prescribing the right medicine can you get the most complete treatment.

Beibilangen slices: outer cortex is yellow-white, cambial layer is brown

 

[Image provided] Professor Zhang Xianzhe’s “Illustrated Guide to Authentic Medicinal Materials”http://en.whatsintcm.com

【About the Author】

Chen Dazhen

Education: China Medical University, PhD, Department of Traditional Chinese Medicine

Current position: Assistant Researcher, Medical Intelligence Center, Affiliated Hospital of China Medical University

Member of the National Traditional Chinese Medicine School Common Textbook Compilation Committee, Chinese Medicine Discipline

Distinguished Lecturer, Industrial Research Institute

Post-baccalaureate Department of Traditional Chinese Medicine, China Medical University, Part-time Lecturer

Department of Pharmacy, Jianan University of Pharmacy, Adjunct Assistant Professor

Heluo Pharmacopoeia www.whatsinTCM.com Co-founder

The original medicinal material of Isatidis root: cylindrical, twisted, gray-yellow, with vertical lenticels.
Nanbanlan decoction pieces: blue-grey color is visible in the bark and wood