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School of Pharmaceutical Sciences, Universiti Sains Malaysia

Pokok Mengkudu

  • Scientific name:

    Morinda citrifolia

  • Other names:

    Noni

Morinda citrifolia or Pokok Mengkudu, commonly known as Noni in English, is a well-known medicinal plant across Southeast Asia, Polynesia, and other tropical regions. It's been used for centuries in traditional medicine for a wide range of ailments.

Medicinal Uses of Pokok Mengkudu (Noni):

  1. Immune System Booster
  • Noni juice is traditionally consumed to strengthen the immune system, thanks to its rich content of vitamins (like vitamin C), antioxidants, and polysaccharides.
  1. Anti-inflammatory & Pain Relief
  • Used to reduce inflammation, especially for arthritis, joint pain, and swelling.
  • The fruit or leaves are made into poultices and applied to the affected area.
  1. Antioxidant and Anti-Cancer Potential
  • Studies suggest Noni has antioxidant compounds like scopoletin, damnacanthal, and flavonoids, which may help in reducing oxidative stress and potentially inhibit tumor growth.
  • It's used traditionally as a supportive therapy for cancer, though this needs more clinical validation.
  1. 4. Digestive Health
  • Acts as a mild laxative and is used to relieve constipation and bloating.
  • Fermented Noni juice is common for promoting gut health.
  1. Antibacterial & Antiviral Properties
  • Contains compounds that help fight bacterial, fungal, and viral infections.
  • Used traditionally to treat colds, flu, sore throats, and skin infections.
  1. Skin Health & Wound Healing
  • Crushed leaves or fruit pulp are applied to the skin to treat boils, ulcers, and wounds.
  • Also used in treating eczema and ringworm.
  1. High Blood Pressure & Heart Health
  • Noni juice is consumed to help lower blood pressure and improve circulation.

Bioactive compounds found in M. citrifolia:

  • Damnacanthal – anticancer, antibacterial
  • Scopoletin – anti-inflammatory, hypotensive
  • Iridoids – antioxidant
  • Anthraquinones – laxative

While Morinda citrifolia shows promise for various medicinal applications, it is important to consult with a healthcare professional before using it for any therapeutic purposes. Some of these benefits are based on traditional practices, and further scientific research is needed to validate its effectiveness for certain conditions.