The Efficacy and Functions of Plantain Seed
Generally, Plantago seeds refer to the dried mature seeds of Plantago asiatica or Plantago depressa of the Plantaginaceae family. They have functions and effects including clearing heat and removing dampness, promoting diuresis and relieving stranguria, alleviating diarrhea, clearing liver heat and improving vision, as well as moistening the lungs and resolving phlegm. The specific details are as follows:
1. Clearing Heat and Removing Dampness: Plantago seeds have the effect of clearing heat and removing dampness and can be used to treat symptoms such as urinary tract infections, frequent urination, and painful urination caused by downward infiltration of damp-heat. They help eliminate damp-heat from the body and improve conditions of difficult urination.
2. Promoting Diuresis and Relieving Stranguria: Plantago seeds can increase urine output and promote urination, providing some relief for symptoms such as urinary retention and urinary tract stones. They are commonly used to treat frequent urination, urgency, and painful urination caused by urinary tract infections, as well as urinary difficulties caused by benign prostatic hyperplasia in males.
3. Alleviating Diarrhea: Plantago seeds have an antidiarrheal effect, capable of separating the clear from the turbid, and can help relieve diarrhea in individuals with loose stools. They aid in improving intestinal function and alleviating symptoms of diarrhea.
4. Clearing Liver Heat and Improving Vision: Plantago seeds can clear liver heat and improve vision, having a therapeutic effect on symptoms such as redness, swelling, and pain in the eyes, as well as dry eyes caused by upward disturbance of liver heat. They help alleviate eye discomfort and protect vision.
5. Moistening the Lungs and Resolving Phlegm: Plantago seeds also have the effect of moistening the lungs and resolving phlegm and can be used to treat coughing and yellow phlegm caused by lung congestion due to phlegm-heat. They help thin mucus and relieve coughing symptoms.
Plantago seeds offer multiple functions and benefits, but their use should be conducted under the guidance of a physician, following the correct methods and dosages. Additionally, pregnant women, individuals with cold-deficiency constitution, and those experiencing diarrhea or abdominal distension should use them cautiously.