洛神花 / 玫瑰茄 — Hibiscus sabdariffa L.

Pinyin: Luòshénhuā / Méiguīqié · Malay: Roselle / Asam Susur · Family: Malvaceae (锦葵科)

Energetics

Cool (凉)

Flavor

Sour, sweet (酸、甘)

Meridians

Kidney (肾), Liver (肝), Stomach (胃)

Traditional Edict

Clears summer-heat, engenders body fluids to quench thirst, calms the liver, and eliminates alcohol toxin. Famous as the ruby sour tea of Nanyang and Lingnan.

Cautions & Contraindications

High organic acid content may irritate sensitive stomachs; take after meals in severe hyperacidity. Use caution when co-administered with synthetic diuretics (hydrochlorothiazide).

Clinical Applications

Primary essential hypertension (Stage 1), hypercholesterolemia, non-alcoholic fatty liver disease (NAFLD), urinary tract infection prophylaxis, and metabolic obesity.

Quality Markers

Total Anthocyanins (Delphinidin-3-sambubioside) & Hibiscic Acid >= 1.50% (MHM standard)

Mechanism & Phytochemistry

1. Delphinidin-3-sambubioside and cyanidin-3-sambubioside act as natural ACE inhibitors, lowering systolic/diastolic blood pressure. 2. Hibiscic acid and protocatechuic acid inhibit LDL oxidation and modulate lipid metabolism. 3. Organic acids stimulate salivary and gastric secretion.

Preparation & Dosage

Dried fleshy ruby calyces infused in boiling water: 5-10 g daily. Standardized anthocyanin extract: 250-500 mg daily.

Appended Prescriptions

1. Imperial Ruby Cardiovascular Tisane with Crataegus pinnatifida (Shan Zha) and Chrysanthemum morifolium. 2. Metabolic Lipid-Clearing Infusion with Cassia obtusifolia seeds and Lotus Leaf.

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Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only