Uji (Sugarcane)
Saccharum officinarum | Sugar cane
Botanical Description
Uji is a tall tropical grass with thick, jointed stalks filled with sweet, fibrous pith. It is one of Okinawa’s most recognizable crops, historically cultivated for its role in both daily life and cultural identity. Sugarcane thrives in warm, humid climates and has been a key agricultural product in the Ryukyus for centuries.
Parts Used
Stalk (juice or raw pulp), leaves (occasionally), molasses (by-product)
Energetics
Taste: Sweet, moistening
Temperature: Cooling
Affinity: Stomach, lungs, urinary tract, blood
Actions
Demulcent
Mildly diuretic
Anti-inflammatory
Tonic (restorative)
Cooling and moistening
Blood nourisher (when used in whole form, not refined)
Traditional Uses (Okinawa / Ryukyu)
Fresh sugarcane juice or raw stalks were chewed as a summer remedy to cool the body and quench thirst
Believed to replenish fluids and soothe inflammation in the throat, stomach, and urinary tract
Used in seasonal transitions, especially after physical labor or heat exhaustion
Sometimes boiled into syrups or added to kusuimun (medicinal foods) to balance bitter herbs
Sugarcane fields were also part of Okinawan agricultural ritual life, especially related to harvest and gratitude
Modern Applications
Fresh juice is used in tropical medicine to treat urinary irritation, dehydration, and sore throat
Raw sugar and molasses (not refined white sugar) offer trace minerals and iron
Molasses is sometimes used as a blood-building remedy for fatigue and anemia
Contains antioxidants and polyphenols when consumed in minimally processed form
Contraindications
Excessive intake of refined sugar is harmful to metabolism and liver function
Use whole plant forms (raw stalk, juice, or molasses) instead of white sugar for medicinal use
May increase Kapha (in Ayurvedic terms) if overused—leading to sluggishness or mucus
Spiritual & Ritual Use
Uji is deeply woven into Okinawan harvest celebrations, symbolizing life-force, sweetness, and renewal
Chewing sugarcane or drinking its juice was a gesture of welcoming seasonal change and honoring the land’s generosity
Offered to ancestors and deities as a simple, sweet gesture—especially during Obon or harvest rites
Its long, strong stalks are emblematic of resilience and ancestral lineage
Preparation Methods
Chewed raw: Stalk cut into lengths, peeled and chewed for juice
Juiced: Pressed to extract cooling, mineral-rich fluid
Syrup or molasses: Used as natural sweetener in medicine or ceremonial foods
Infusion: Occasionally used as a base liquid in folk remedies, blended with warming or bitter herbs
Dose
Juice: ¼–½ cup as needed for cooling, hydration
Molasses: 1 tsp–1 Tbsp daily (as blood tonic)
Raw stalk: 2–3 small lengths chewed occasionally
