Plantain, also known as plantain, clover, etc. Biennial or perennial herbs. Most fibrous roots. The rhizome is short and slightly thick. The basal leaves are rose-shaped, prone, obliquely spread or erect. The leaves are tissue paper or wide oval to wide oval paper.
Produced in many provinces of China. Born in grasslands, ditches, river bank wetlands, fields, roadsides or open areas near villages, with an altitude of 3-3200 meters. Korea, Russia (Far East), Japan, Nepal, Malaysia and Indonesia are also distributed. The whole herb can be used as medicine, and has the following effects: turbidity, turbidity, hematuria, jaundice, edema, dysentery, diarrhea, red eye, swelling and pain, hypertension, tracheitis and whooping cough. Because plantain has a better effect, it can be taken regularly to remove calories and diuretic effects. Modern pharmacological research believes that plantain has good medicinal value.
Efficacy and function of plantain
1.
Plantain seeds are sweet, cold and slippery. It has the functions of clearing heat, diuresis and reducing swelling, so it is usually used for damp-heat diarrhea, diarrhea, jaundice and other syndromes. For example, Zishen Decoction improved in New Meaning of Treating Miscellaneous Diseases; If the stone is leached, it can be used together with Lygodium japonicum and talcum powder to enhance the efficacy of clearing away heat and diuresis and removing stone.
2. Cough and expectoration
Oral decoction can increase tracheal secretion and has obvious expectorant effect. Its strength is not as good as that of platycodon grandiflorum. The expectorant effect of Plantago asiatica lasts for more than 6 to 7 hours, and the peak effect is usually within 5 to 6 hours.
3. Cool blood and detoxify
Plantain is cold, which can not only clear away heat and cool blood, but also detoxify and reduce swelling. Therefore, it is usually used for sore throat, moth, blood heat and bleeding, and swollen sore poison. For those with sore throat and numbness in throat, it can be compatible with common pterosaurs and ebony meat. For example, "Yangyuan Manbi" can treat numbness in throat; Or cooperate with Radix Sophorae Tonkinensis, Indigo Naturalis, Flos Chrysanthemi Indici, etc. to enhance the effects of clearing away heat, detoxicating and moistening throat.
4. Regulate gastric juice secretion
Plantain extract has two-way regulating effect on gastric juice secretion. It has antagonistic effect on gastric juice secretion caused by pilocarpine and gastric juice secretion caused by adrenaline. Plantain can inhibit the working stomach, but it has no effect on the quiet stomach. Plantain can also temporarily increase the secretion of intestinal juice, but it has no obvious effect on intestinal movement.
5. Pathogenic microorganisms
Plantago asiatica has the function of resisting pathogenic microorganisms, and its water extract can inhibit Trichophyton concentric, Microsporum lanolin, Nocardia stellate and so on in vitro to varying degrees.
6. Anti-inflammatory
Plantago asiatica has obvious inhibitory effect on inflammatory edema caused by formaldehyde or dextran.
7. Scavenging oxygen free radicals
Plantain decoction has obvious scavenging effect on oxygen free radicals. Many pathophysiological phenomena such as aging, tumor, inflammation and cerebral ischemia are closely related to excessive oxygen free radicals. Therefore, plantain has anti-aging properties. Anti-cancer and other effects.
Contraindications of plantain: No matter how good the medicine is, there are contraindications, and plantain is no exception. According to the literature, it is forbidden to eat plantain for those who are weak, slippery and weak. Patients with spleen and stomach deficiency and cold should use it as little as possible.