Traditional Perilla Leaf Herbal Remedy Perillae Folium

Perilla Leaf (Perilla frutescens, Zi Su)

Overview:
Perilla Leaf, known as Zi Su in Traditional Chinese Medicine (TCM), is the dried leaf of the Perilla frutescens plant. It is widely used for its ability to release the exterior, regulate Qi, and harmonize the middle burner. Traditionally, it is used to treat colds, relieve nausea, and calm a restless fetus during pregnancy.

Botanical Characteristics:
Perilla frutescens is an annual herb in the mint family (Lamiaceae), characterized by its aromatic, serrated leaves, which may be green or purplish. Native to East Asia, it is cultivated for both culinary and medicinal purposes. The medicinal part, the leaf, is typically harvested in summer and dried for use.

Traditional Uses in TCM:

• Releases the exterior and disperses cold: Used for early-stage colds or flu with symptoms like chills, fever, and nasal congestion.

• Regulates Qi and expands the chest: Helps relieve chest tightness, nausea, or poor appetite due to Qi stagnation.

• Calms the fetus: Used in cases of restless fetus or morning sickness during pregnancy.

• Detoxifies seafood poisoning: Traditionally used to counter mild allergic reactions from seafood.

Pharmacological Properties:
Perilla leaves contain essential oils rich in perillaldehyde and limonene, which have anti-inflammatory, antimicrobial, antioxidant, and digestive-supporting effects. Studies also suggest potential anti-allergic and anti-asthmatic benefits.

Preparation and Dosage:
Zi Su is commonly prepared as a decoction, tea, or included in herbal formulas. It is often paired with other herbs that support the lung and digestive systems. Dosage should be guided by a qualified practitioner, especially during pregnancy.

Precautions:

• Not recommended for individuals with Yin deficiency and heat signs.

• Use with caution during pregnancy and in long-term use