Beverage of Radix Isatidis

The traditional Chinese medicine (TCM) principles and applications of Banlangen (Isatis Root):

1. TCM Theoretical Basis:

   - TCM believes that Banlangen (Isatis Root) has the functions of clearing heat and detoxifying.

   - It is suitable for symptoms of fever and sore throat caused by external wind-heat, as well as some internal heat conditions.

2. Medicinal Composition and Efficacy:

   - The main active components of Banlangen include polysaccharides, flavonoids, etc.

   - It has the following therapeutic effects:

     - Clearing heat and detoxifying: It can eliminate toxins and heat pathogenic factors accumulated in the body.

     - Cooling the blood: It has the ability to lower blood heat and clear heat toxins.

     - Anti-inflammatory: It can inhibit inflammatory responses and eliminate inflammatory symptoms.

3. Clinical Applications:

   - Wind-heat common cold: It can be used for symptoms of fever, headache, and sore throat caused by wind-heat common cold.

   - Inflammatory diseases: Suitable for inflammation and fever caused by conditions like pharyngitis and tonsillitis.

   - Internal heat conditions: Can be used for oral ulcers, acne, and other internal heat syndromes.

   - Prevention of infectious diseases: Can be used for prevention and adjuvant treatment of certain infectious diseases.

4. Precautions:

   - Should be used cautiously in those with yang deficiency and cold constitution, to avoid exacerbating the cold pattern.

   - Pregnant women, lactating mothers, and children should use with care.

   - Long-term use requires monitoring of liver and kidney function to avoid potential side effects.

In summary, Banlangen embodies the TCM principle of clearing heat and detoxifying. Through its functions of clearing heat, cooling the blood, and anti-inflammation, it demonstrates good therapeutic effects on wind-heat and some internal heat conditions. However, individual differences should be considered when using this herb.