Clears heat and relieves sore throat - Gua Jin Deng is used for painful swollen throat, hoarseness, and pharyngeal inflammation from toxic heat.
Resolves phlegm and eases cough - traditional use includes phlegmy cough and Lung-heat irritation of the upper airway.
Clears toxin and promotes urination - materia medica sources extend its use to edema, jaundice, and dysuria in damp-heat patterns.
Can be applied externally for toxic skin conditions - pemphigus, eczema, and inflamed lesions are classic external indications.
Secondary Actions
Chinese materia medica often standardizes this drug under the name Jin Deng Long, while Gua Jin Deng remains a popular alias for the same lantern-fruit medicine.
The medicinal drug includes the calyx and fruit and should not be confused with casual ornamental Chinese-lantern plant material.
Classical References
TCM Wiki's Jin Deng Long monograph describes the drug as bitter and cold, entering the Lung to clear heat, remove toxicity, and promote diuresis.
Chinese Pharmacopoeia-oriented reviews note use for throat pain, dysphonia, phlegmy cough, pemphigus, and eczema while recognizing Gua Jin Deng as a common alias.
Modern Research
Active Compounds
Physalins - the best-known bioactive steroidal lactone class in Physalis alkekengi
Flavonoids and phenolic acids - supportive antioxidant and anti-inflammatory constituents
Carotenoid fractions - pigment-rich extracts studied for lipoxygenase-related activity
Polysaccharides and sterol-like constituents - additional bioactive fractions discussed in review literature
Studied Effects
A 2022 review summarized the pharmacognosy, chemical constituents, pharmacological effects, quality control, and applications of Physalis alkekengi var. franchetii, the standard source behind Jin Deng Long / Gua Jin Deng (PMID 35908519).
An in vitro study found that Physalis alkekengi extracts reduced oxidative stress, inflammatory signaling, and apoptosis in endothelial cells exposed to hyperglycemia (PMID 32824505).
A carotenoidic extract from Physalis alkekengi inhibited soybean lipoxygenase-1 activity, supporting continued anti-inflammatory interest in pigment fractions (PMID 24511537).
Spleen-Stomach cold or loose stool from deficiency
Very weak patients without a true heat or toxicity pattern
Cautions
Do not assume garden ornamental Chinese-lantern material is interchangeable with properly sourced medicinal-grade drug.
Modern work centers on Physalis alkekengi / Jin Deng Long as the standardized drug, and identity variation across folk names should be checked carefully.
MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database