The following leaves grow all over the garden, people often cut them off and throw them away, but they are valuable medicines that can cure many diseases.
Guava leaves
Specialist Doctor II Huynh Tan Vu, lecturer of Traditional Medicine Department, University of Medicine and Pharmacy, Ho Chi Minh City, said that in Oriental medicine, fresh guava leaves are used to treat bruises, bleeding wounds and ulcers. Many people often use guava leaves and fruit to treat abdominal pain and diarrhea.
Some of the medicinal effects of guava leaves can be mentioned as follows:
Treatment of diarrhea: Guava leaves contain flavonoid compounds - strong antibacterial activity. Quercetin is the dominant flavonoid in guava leaves, with strong antidiarrheal activity.
Diabetes treatment: Polysaccharides in guava leaves can be used as antioxidant additives in foods and diabetes treatment.
Good for the heart: Guava leaves contain antioxidants and soluble fiber, which help improve heart health, control and stabilize blood pressure. These substances also limit the formation of free radicals that cause memory loss, Alzheimer's disease... reduce atherosclerosis, and reduce the risk of stroke.
Improve teeth and gums: Guava leaves contain astringents, which help tighten teeth and relieve gum pain.
The usage is also very simple, you just need to use fresh guava leaves, wash them and crush them. After a short time, toothaches and gum pain tend to subside. The condition of gum inflammation and infection is also significantly improved if this method is used regularly.
Improve skin, hair, and sleep quality: The effects of guava leaves on skin and hair include applying guava leaves to help firm the skin. In addition, using guava juice helps inhibit the formation of free radicals - the main cause of skin aging.
Washing your hair with guava water helps treat hair loss. It calms the nervous system, thereby helping to improve sleep quality.
Guava leaves and ginseng leaves have many health benefits!
Stinging nettle leaves
According to General Practitioner Bui Dac Sang, Vietnam Academy of Science and Technology, Hanoi Oriental Medicine Association, there are many types of stinging nettle in Vietnam, but they are rarely used despite having some good medicinal properties. They originate from the tropics, then became intertropical. Many people see stinging nettle growing wild everywhere, on the edges of rice fields, lawns, wasteland or along village roads.
Many people still see it on the forest edge from lowland to 1,500m above sea level. Medicinal herbs can be used fresh or dried for later use.
The leaves of the plant can be used to make hot pot, cook clam, crab, shrimp soup or boiled and stir-fried, all of which are delicious. As a wild vegetable, the plant is easy to grow and easy to live. People do not have to spend too much time taking care of the plant to keep it green and produce a lot of fruit. Therefore, you can take advantage of empty space in the garden, foam boxes or pots to grow it at home.
Polyscias fruticosa leaves
The article on the Medlatec General Hospital website has medical consultation from BSCKI. Duong Ngoc Van said that traditional medicine considers the leaves of the Polyscias fruticosa to be cool, slightly bitter, effective in detoxification, anti-allergy, constipation treatment... For Western medicine, Polyscias fruticosa leaves contain ingredients that are good for health such as:
- Polyscias fruticosa leaves contain many active ingredients that are good for the heart and digestive system.
- Vitamin B group, especially vitamin B1, is very good for the cardiovascular system, vision and nervous system.
- Glucoside helps increase the contractility of the heart.
- Alkaloids support effective pain relief and anesthesia.
- Flavonoids help inhibit bacteria that can cause disease.
guava leaves
According to Traditional Medicine Practitioner Bui Dac Sang, guava leaves contain saponin, very little tannin, traces of alkaloids (indolic group) similar to caffeine and 4% volatile essential oil, pleasant aroma. Other parts of the plant also contain sterols, fats, catechic and gallic tannins. Leaves and buds contain triterpenic acid.
Loquat leaves and perilla leaves
Many studies have shown that guava leaves and buds have antibiotic properties against some gram+ and gram- bacteria at all stages of development. Antibiotics (antibacterials) are often most concentrated in leaves in winter.
The antibiotic active ingredient is soluble in water, organic solvents, stable to temperature and in environments with pH from 2-9. They are most effective against Streptococcus (hemolytic and staman), then diphtheria bacteria and Staphyllococcus and Prieumococcus. They are completely non-toxic to the human body.
In addition, guava leaves and buds have long been boiled by our people to drink, which is fragrant, digestible, stimulates digestion, relieves swelling, stops bleeding, and regenerates tissue. Fresh or dried guava leaves, when boiled, are considered to have antiseptic properties to wash boils, sores, scabies, and itching. Generally, dried buds should be used for internal use, and fresh buds should be used for external use.
Perilla leaves
People use perilla leaves as a spice or herb to enhance the appeal of dishes, without knowing that this leaf has unexpected health benefits.
Traditional medicine believes that perilla can be used to treat coughs. A Japanese study once showed that perilla extract can inhibit allergic reactions on the skin of mice.
Perilla leaves contain many types of flavonoids, rosmarinic acid, vitamin K, B-carotene and other ingredients that have the effect of restoring immune function, reducing inflammatory reactions and are especially effective for the respiratory tract.
Therefore, perilla leaves are very useful in reducing or eliminating allergy symptoms. Perillaldehyde is the source of the aroma of perilla, this leaf has the effect of promoting digestive secretions, sedation, eliminating nausea and vomiting.
Alzheimer's disease is caused by the accumulation of "β-amyloid protein" in the brain. The "rosmarinic acid" component in perilla has the effect of inhibiting the accumulation of β-amyloid protein and anti-depression.
Perilla leaves have many pharmacological effects such as antibacterial, antiviral, hemostatic, antioxidant and antitumor. Studies have shown that perilla leaf extract can inhibit the proliferation of SARS-CoV-2 virus, preventing other respiratory viruses from entering the body.
Perilla has the effect of clearing heat and relieving cold symptoms for people with cold symptoms. In addition, perilla leaves can be used to boil with ginger to make a foot bath, prevent foot odor, and improve blood circulation.
The aroma of perilla leaves stimulates the olfactory nerve, promotes gastric secretion and increases appetite. Some delicious dishes can be combined with perilla leaves to enhance the flavor such as perilla meat porridge, snails stewed with banana and bean, and eggplant.
Above are 5 types of leaves that seem to be discarded but are very good for your health. Don't miss out on the wonderful effects of these leaves!
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