Perilla Leaf (Zi Su): A Traditional Chinese Herb for Colds, Digestion & More

Article published at: Sep 4, 2025 Article author: Tianke Article tag: chinese herbs
All News
Close-up of fresh Perilla frutescens leaves (Zi Su), a mint-family herb used in Traditional Chinese Medicine and cooking.

Introduction
In the world of Traditional Chinese Medicine (TCM), few herbs are as versatile as Perilla Leaf, known as Zi Su (紫苏). This aromatic herb, a member of the mint family, is celebrated for its ability to address everything from the common cold to digestive woes. At Laxne, we honor this ancient wisdom by incorporating the essence of such powerful botanicals into our wellness products. This guide explores the traditional uses, modern applications, and practical ways to use Perilla Leaf.

What is Perilla Leaf (Zi Su)?
Perilla Leaf (Perilla frutescens) is a fragrant herb characterized by its often purple-tinged leaves. In TCM, it is classified as having a pungent (acrid) taste and a warm nature. It is believed to travel through the Lung and Spleen meridians, which guides its use in relieving respiratory and digestive issues.

Traditional Benefits and Uses in TCM
TCM practitioners value Zi Su for its triple action:

  1. Relieving Exterior Wind-Cold: It induces sweating and releases surface-level pathogens, making it a primary herb for the early stages of the common cold or flu with symptoms like chills, fever, and body aches. It is commonly paired with ginger (Sheng Jiang) in teas.

  2. Regulating Qi and Easing Digestion: It soothes the middle burner (digestive system), alleviating fullness in the chest, nausea, vomiting, and stagnant Qi. It's often used with herbs like patchouli (Huo Xiang) and is believed to have a calming effect on the stomach during pregnancy.

  3. Neutralizing Seafood Toxins: A traditional and famous use is to counteract the "toxins" or cold nature of fish and crab, helping to prevent or ease associated vomiting, diarrhea, and abdominal pain. It's cooked with seafood or taken as a tea afterward.

Modern Perspective on Perilla's Benefits
Modern science is exploring the compounds behind Perilla's traditional uses. The leaves are rich in:

  • Volatile Oils (like Perillaldehyde): Believed to contribute to its antimicrobial and anti-inflammatory properties.

  • Rosmarinic Acid & Flavonoids: Potent antioxidants that may help modulate the immune system and reduce allergic and inflammatory responses.

  • Nutrients: It provides dietary fiber, vitamin C, calcium, and iron, making it a nutritious culinary addition.

How to Use Perilla Leaf: Recipes & Practical Tips
You can enjoy Perilla Leaf both as medicine and food:

  • Medicinal Tea (for Colds): Simmer 3-9 grams of dried Perilla leaves with a few slices of fresh ginger for 5-10 minutes. Strain and drink while warm to promote sweating and relieve chills.

  • Culinary Uses:

    • Perilla Ginger Tea: A simple brew for upset stomachs.

    • Perilla with Eggs: Chop fresh leaves and mix into scrambled eggs for a nutritious, easy-to-digest meal.

    • Perilla and Cucumber Salad: Thinly sliced perilla leaves add a unique, refreshing flavor to salads, aiding digestion.

  • With Seafood: Add a handful of fresh leaves when cooking fish or shellfish to help neutralize their cold nature.

Precautions and Who Should Avoid It
Due to its warming and dispersing nature, Perilla Leaf is not suitable for everyone.

  • Avoid or use with caution if: You have a "Heat" condition (e.g., a fever with sore throat and yellow phlegm) or exhibit signs of Yin deficiency with fire (night sweats, hot flashes).

  • As always, consult with a qualified TCM practitioner or healthcare provider before using any new herb, especially if you are pregnant, nursing, taking other medications, or have a specific health condition.

Experience the Benefits with Our Herbal Bracelets
The balancing energy of Perilla, especially for soothing the stomach and easing discomfort, can be a comforting presence in your daily life. We capture the essence of this and other harmonizing herbs in our handmade herbal bracelets. Wearing one serves as a gentle, aromatic reminder to find your center and maintain ease throughout your day.

Explore our collections to find a bracelet that supports your wellness journey:

Conclusion
Perilla Leaf (Zi Su) is a powerful example of TCM's holistic approach, offering solutions that bridge the gap between the kitchen and the medicine cabinet. Whether you brew it in a tea to fight off a cold or enjoy it with your meal to aid digestion, it's a versatile and valuable herb to know.

Disclaimer: This article is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Share:

Leave a comment

Please note, comments must be approved before they are published