Bencao Gangmu Reference Library
佛手 / 佛手柑 / 佛手香橼 / 五指柑 / 蜜罗柑 / 福寿柑 — Citrus medica L. var. sarcodactylis Swingle (syn. Citrus sarcodactylis, Citrus medica var. digitata)
Pinyin: Fóshǒu / Fóshǒugān / Wǔzhǐgān · Malay: Limau Jari Buddha / Limau Tangan Buddha / Limau Jari / Fingered Citron / Buddha's Hand / Fructus Citri Sarcodactylis · Family: Rutaceae (芸香科 / 柑橘属)
Energetics
Warm (温 / 辛苦温芳烈)
Flavor
Pungent, bitter, sweetish, intensely fragrant (辛、苦、甘、温、气极芳香清郁)
Meridians
Liver (肝), Spleen (脾), Stomach (胃), Lung (肺)
Traditional Edict
Buddha's Hand / Fingered Citron (Limau Jari Buddha / Fo Shou / Fo Shou Gan). Golden fruit splitting into prayer-finger carpels with citrus perfume. Sovereign for Liver-Qi Stagnation & Parched Cough: smooths Liver depression, relieves hypochondriac pain, harmonizes Stomach, dries phlegm without injuring Yin.
Cautions & Contraindications
- Gentlest of all Qi-regulating citrus fruits (dredges Qi without consuming Yin fluids or Qi). Exceptional clinical, emotional, and geriatric safety profile. Safe in pregnancy in tea amounts.
Clinical Applications
- Liver-Qi depression, emotional stress, and hypochondriac distension (gastrointestinal and biliary spasmolysis via Hesperidin >= 0.40% and Diosmin), functional epigastric pain, and chronic cough.
Quality Markers
Mechanism & Phytochemistry
1. Hesperidin and diosmin relax biliary and visceral smooth muscle via voltage-gated Ca2+ channel blockade. 2. Limettin and citral downregulate airway inflammatory cytokines.
Preparation & Dosage
THE SOVEREIGN BUDDHA'S HAND LIVER-SOOTHING TISANE: 5 to 10 g dried Fo Shou slices steeped in 400 mL boiling water with Rose flower (Mei Gui Hua, 5 g) for 10 min; sip warm throughout the day (soothes stress and epigastric tightness). Parched cough decoction: 6 to 10 g boiled with honey.
Appended Prescriptions
- 1. The Sovereign Liver-Qi Soothing & Emotional Harmony Tea (Fo Shou Mei Gui Cha) with Flos Rosae Rugosae. 2. Spleen-Stomach Cold Pain & Phlegm Clearance Draught with Cyperus (Xiang Fu).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
