Umjanabaa ( Nigana)

Vernonia cinerea | Bitter Leaf

Botanical Description
A hardy perennial herb with small purple flowers and deeply serrated green leaves. Often found in wild and cultivated settings across Okinawa.

Parts Used
Leaves and stems (cooked)

Energetics
Taste: Bitter
Temperature: Cooling
Affinity: Liver, gallbladder, digestion, blood

Actions
Bitter tonic, liver detoxifier, anti-inflammatory, antioxidant, blood cleanser

Traditional Uses
Consumed in stir-fries or blanched salads to cool the body and cleanse the blood. Commonly eaten in spring and early summer.

Modern Applications
Supports liver health, digestion, and detoxification. Studied for antioxidant and anti-inflammatory properties.

Contraindications
Excessive use may suppress appetite or be too cooling for weak digestion.

Preparation Methods
Blanched and served with miso dressing, stir-fried, added to soups

Dose
Food: Small handful per serving, 1–2x/week