What is Thé Vert Feuilles Entières Iphym Herboristerie Camellia Sinensis used for?
Green tea leaves are a popular ingredient in the world of herbal medicine. They are rich in antioxidants, particularly catechins, which have anti-inflammatory and anti-cancer properties. Green tea leaves also contain caffeine and theanine, two substances that can improve mental alertness and promote relaxation.
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Green tea leaves are renowned for their ability to stimulate metabolism and promote weight loss. The catechins present in green tea can help burn fat and regulate blood sugar levels. Drinking green tea regularly can therefore be beneficial for those seeking to lose weight or maintain a healthy weight.
Green tea can also be useful for improving heart health. The catechins present in green tea can help lower cholesterol levels and blood pressure, thereby reducing the risk of cardiovascular disease. In addition, green tea can improve blood circulation and strengthen blood vessels.
Finally, green tea leaves can help strengthen the immune system and reduce the risk of infections. Catechins have antiviral and antibacterial properties that can help fight infection and disease.
Green tea has stimulating properties thanks to caffeine. It is anti-inflammatory, anti-tumor, anti-oxidant and anti-aging. It is antimicrobial (Staphylococcus epidermidis, Micrococcus luteus, Brevibacterium linens, Pseudomonas fluorescens, Bacillus subtilis), antibacterial against methicillin-resistant "Staphylococcus aureus" through production of beta-lactamase. Apigenin derivatives (isoschaftoside and vicenin-3) are lipoxygenase inhibitors. Polyphenols are antioxidants and free-radical scavengers. Catechins protect DNA and amino acids from nitrative stress (preferentially in green tea), reduce total cholesterol and LDL-cholesterol. Flavonoids (quercetin) inhibit atherogenesis-inducing LDL oxidation.
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How do I use green tea?
Essentially a pleasure drink, a 200 ml cup of tea provides an average of 135 mg of flavonoids. It is recommended for diabetes, obesity and Alzheimer's disease. Green tea is rich in catechins, black tea in theaflavins and thearubigins (polymerized catechins), but both are rich in theanine.
Infusion - Pour 250ml boiling water over 2.5g green tea leaves. Cover and infuse for 2-10 minutes, then strain. Drink 3 cups a day.
Contraindications with green tea
- Decreased absorption and bioavailability of certain drugs (alkaloids, neuroleptics and antidepressants) due to tannins.
- Tea infusion inhibits iron absorption; inhibition of non-heme iron absorption is 30% with green tea and ranges from 36% to 61% with black tea. The inhibitory effect of tea on iron absorption is attributed to the insoluble tannin-iron complex that forms in the lumen of the gastrointestinal tract.
- ATTENTION to possible drug interactions
- Not recommended for people with heart problems
- CAUTION: consuming more than 500 mg of caffeine a day can cause serious side effects in some people
- CAUTION: people with liver disorders, abdominal pain, jaundice or dark-coloured urine should consult a doctor before taking green tea extracts.
- Not recommended for pregnant or breast-feeding women
- Not recommended for people with iron deficiency.
What does it contain?
Latin name: Camellia sinensis (L.)
Family: Theceae
Common names : Tea plant, tea
Parts used: Leaf
Origin: Japan
Botanical description
- Small tree, 5 to 10 m tall
- Leaves: evergreen, short-stalked, whole, oval, oblong, acuminate and toothed on 2/3
- Flowers: solitary or grouped by 2 or 3
- Fruit: rounded capsule
Green tea pharmacology
Active ingredients: caffeine, tannins, catechins, flavonoids, l-theanine