Family

• Myrtaceae

Components

• Leaf: tannins (9-10%), essential oils
• Root: tannins (10-20%), leucocyanidins, coumarins
• Fruit: cinnamic acid, 3-hexanoic acid, polyphenols, tannins, terpenes, saponins, anthraquinones, pectin, vitamin C (ascorbic acid).
• Peel: tannins (12-30%)

Parts used

• Leaves 
• Sprout
• Dry bark
• Fruit
• Root

Properties

• Astringent
• Antimicrobial
• Antidiarrhoeal
• Antispasmodic
• Hypoglycaemic

Indications

• Diarrhoea
• Type 2 diabetes (fruits and leaves)
• Sexually transmitted infection

Side effects

• Not documented

Contraindications

• Pregnant or breastfeeding women and children under 7 years of age, as there are no studies to guarantee the safety of guava use in these cases.

Interactions

• Not documented

How to use

• Infusion
• Decoction 
• Gemotherapy
• Fruit juice