Zhi Gan Cao (炙甘草) – Processed Licorice Root 50 g – شیرین بیان

Description:

Zhi Gan Cao (炙甘草) (Glycyrrhiza uralensis Fisch.) is a traditional Chinese herbal medicine prepared from the dried root and rhizome of licorice that has been processed with honey. It belongs to the Fabaceae family. It is commonly known as Zhi Gan Cao, Honey-Prepared Licorice Root, Honey-Fried Licorice Root, Prepared Licorice Root, Roasted Licorice Root, Chinese Licorice, Glycyrrhizae Radix et Rhizoma Praeparata Cum Melle, and Prepared Gan Cao. In Traditional Chinese Medicine (TCM), Zhi Gan Cao is traditionally valued for tonifying Qi, nourishing and supporting the Spleen and Stomach, moistening the Lung, relieving cough, and harmonizing the properties of other herbs. Honey processing distinguishes Zhi Gan Cao from Sheng Gan Cao (生甘草), or Raw Licorice Root.

Zhi Gan Cao is traditionally considered an important herb for patterns involving Spleen and Stomach Qi deficiency, weakness, fatigue, reduced appetite, and cough associated with Lung Qi deficiency. It is also used in traditional formulas for certain patterns involving palpitations and an irregular or uncomfortable heartbeat, according to TCM principles.

Zhi Gan Cao is traditionally used to tonify Qi and support digestive function. In TCM, it may be selected in traditional formulas for weakness, fatigue, reduced appetite, and other symptoms associated with traditional Spleen and Stomach Qi deficiency.

Zhi Gan Cao is also traditionally used to support respiratory comfort and moisten the Lung. It may be included in traditional formulas for cough, throat irritation, and respiratory discomfort associated with traditional Lung patterns.

Another traditional application of Zhi Gan Cao is to harmonize and moderate the properties of other herbs in a formula. It is commonly combined with other Chinese medicinal ingredients to coordinate their traditional functions and support the overall balance of a multi-herb preparation.

Zhi Gan Cao is also traditionally used in specific formulas for palpitations and patterns described in TCM as deficiency of Qi and Blood or disharmony involving the Heart. These traditional applications should not be interpreted as evidence that the herb treats cardiac arrhythmias or other cardiovascular diseases.

Modern scientific research has investigated licorice root and honey-processed licorice for their naturally occurring glycyrrhizin, flavonoids, saponins, polysaccharides, and other phytochemicals. Studies have examined how honey processing changes the chemical composition and biological activity of licorice. However, findings from laboratory and animal research do not establish that whole dried Zhi Gan Cao is effective for treating specific medical conditions in humans.

Benefits:

These benefits describe traditional uses and areas of scientific investigation. They do not establish that Zhi Gan Cao can prevent, diagnose, or treat specific medical conditions.

Other Names:

Zhi Gan Cao, Zhi Gan Cao (炙甘草), Honey-Prepared Licorice Root, Honey-Fried Licorice Root, Honey-Processed Licorice Root, Prepared Licorice Root, Roasted Licorice Root, Chinese Licorice, Prepared Gan Cao, Glycyrrhizae Radix et Rhizoma Praeparata Cum Melle, Glycyrrhiza uralensis Fisch., Glycyrrhiza glabra L., and Glycyrrhiza inflata Batalin. The botanical species used in a specific product should be confirmed with the supplier.

Persian names: شیرین بیان (Shirin Bayan), ریشه شیرین بیان (Licorice Root), شیرین بیان فرآوری‌شده با عسل (Honey-Processed Licorice), شیرین بیان تفت‌داده‌شده با عسل (Honey-Fried Licorice), and ریشه شیرین بیان چینی (Chinese Licorice Root).

Indian names: यष्टिमधु (Yashtimadhu), मुलेठी (Mulethi), ज्येष्ठमधु (Jyeshthamadh), यष्टि (Yashti), मधुका (Madhuka), and अतिमधुरम् (Atimadhuram). These names are associated with licorice in various South Asian herbal traditions; however, they do not necessarily refer specifically to honey-processed Zhi Gan Cao.

Traditional Uses:

In Traditional Chinese Medicine, Zhi Gan Cao is traditionally used to tonify Qi, particularly in patterns involving Spleen and Stomach Qi deficiency. It may be included in traditional formulas for weakness, fatigue, reduced appetite, and other symptoms associated with traditional Qi deficiency patterns.

Zhi Gan Cao is traditionally used to harmonize and moderate the properties of other herbs in a formula. It is commonly included in multi-herb preparations to coordinate the traditional functions of other ingredients.

Zhi Gan Cao is also traditionally used to moisten the Lung and support respiratory comfort. It may be included in traditional formulas for cough, throat irritation, and other symptoms associated with traditional Lung patterns.

Another traditional use involves relieving spasms and discomfort. Licorice preparations have historically been included in formulas for certain types of abdominal discomfort and muscle spasms according to TCM principles. The evidence for these effects varies by preparation and clinical context.

Zhi Gan Cao is traditionally included in certain formulas intended to support patterns involving palpitations, Heart Qi deficiency, or disharmony between Qi and Blood. These traditional applications do not establish that the herb treats heart disease, abnormal heart rhythms, or other cardiovascular conditions.

Honey processing distinguishes Zhi Gan Cao from raw Gan Cao. In traditional practice, the processing method is understood to influence the herb’s characteristics and traditional applications. Modern research has also investigated chemical changes associated with processing licorice with honey.

Traditionally, Zhi Gan Cao is selected according to the individual’s TCM pattern, constitution, symptoms, and the other herbs included in the formula.

Side Effects:

Zhi Gan Cao contains naturally occurring glycyrrhizin, a compound that can cause clinically significant adverse effects when licorice is consumed in excessive amounts or over prolonged periods. Honey processing does not necessarily eliminate glycyrrhizin or remove the risks associated with it.

Excessive or prolonged licorice intake can cause sodium and water retention, increased blood pressure, decreased potassium levels, swelling, muscle weakness, and abnormal heart rhythms. Severe cases of licorice toxicity can result in serious cardiovascular complications.

Other possible unwanted effects include gastrointestinal discomfort, nausea, headache, and allergic reactions.

The likelihood of adverse effects depends on the botanical species, glycyrrhizin content, amount consumed, duration of use, preparation method, and individual health circumstances.

Individuals who consume large amounts of licorice or use concentrated preparations for prolonged periods may be at greater risk of adverse effects.

Discontinue use and consult a healthcare practitioner if unwanted or persistent symptoms occur.

Seek urgent medical attention if you experience severe weakness, significant swelling, an irregular heartbeat, chest pain, or other potentially serious symptoms.

Precautions:

Consult a qualified healthcare practitioner or Traditional Chinese Medicine practitioner before using Zhi Gan Cao medicinally, particularly if you take prescription medications or have an existing medical condition.

High blood pressure: Licorice containing glycyrrhizin may increase blood pressure and cause fluid retention. Individuals with hypertension should avoid unsupervised medicinal use.

Heart and kidney conditions: Do not use without professional guidance if you have heart disease, kidney disease, or a history of fluid retention or abnormal heart rhythms. Changes in potassium and fluid balance can be particularly dangerous for these individuals.

Low potassium: Avoid unsupervised use if you have hypokalemia or a history of electrolyte imbalance.

Pregnancy and breastfeeding: Do not use medicinal amounts during pregnancy or breastfeeding unless specifically directed by a qualified healthcare practitioner.

Liver disease: Consult a healthcare practitioner before use if you have liver disease or another significant medical condition.

Diabetes: Individuals with diabetes or those taking glucose-lowering medications should seek professional advice before medicinal use.

Long-term use: Avoid prolonged or excessive consumption without professional supervision because of the potential for glycyrrhizin-related adverse effects.

Use only products with reliable botanical identification and clear processing information. Do not assume that honey processing makes licorice free of glycyrrhizin-related risks.

Discontinue use and consult a healthcare practitioner if symptoms persist or worsen or if new symptoms develop.

Interactions:

Consult a healthcare practitioner before combining Zhi Gan Cao with prescription medications, over-the-counter medicines, or other natural health products.

Diuretics: Licorice can contribute to potassium loss and fluid retention. Combining it with certain diuretics may increase the risk of electrolyte imbalance and other adverse effects.

Corticosteroids: Licorice may influence corticosteroid-related effects and electrolyte balance. Professional guidance is recommended before combining licorice with corticosteroid medications.

Cardiac glycosides, including digoxin: Licorice-associated potassium depletion may increase the risk of adverse cardiac effects in susceptible individuals. Combining licorice with digoxin requires particular caution.

Antihypertensive medications: Licorice may increase blood pressure in some individuals and interfere with blood-pressure management.

Potassium-depleting medications: Combining licorice with medicines that lower potassium may increase the risk of hypokalemia.

Stimulant laxatives: Concurrent use may increase the risk of potassium depletion and electrolyte imbalance.

Diabetes medications: The clinical significance of potential interactions with glucose-lowering medicines has not been fully established. Individuals taking these medications should consult a healthcare practitioner before use.

Other herbal products: Combining Zhi Gan Cao with other licorice-containing products may increase total glycyrrhizin exposure. Check the ingredients of teas, supplements, and multi-herb formulas to avoid excessive combined intake.

The absence of documented interactions does not guarantee that Zhi Gan Cao is safe to combine with medications. Professional advice is particularly important for individuals taking multiple medicines or using licorice regularly.

Dosing:

Use according to the product label or as directed by a qualified healthcare practitioner or Traditional Chinese Medicine practitioner.

Traditional Chinese Medicine references commonly describe Zhi Gan Cao in an approximate range of 3–9 g of dried honey-processed root when used in a decoction. The appropriate amount depends on the botanical material, processing method, formula, individual constitution, and clinical circumstances.

This traditional range is not a clinically established dose for treating a medical condition and should not be interpreted as a recommendation for unsupervised use.

Because Zhi Gan Cao may contain glycyrrhizin, the amount and duration of use should be determined carefully, particularly in individuals with high blood pressure, cardiovascular disease, kidney disease, or electrolyte disturbances.

For a 50 g bulk-herb product, the package quantity should not be interpreted as a recommended daily dose.

Storage:

Store in a cool, dry place away from direct sunlight, excessive heat, and humidity. Keep the package tightly closed and out of reach of children.

Protect the dried herb from moisture, insects, dust, and contamination. Store in a clean, airtight container when appropriate.

Because Zhi Gan Cao is processed with honey, protect it from excessive moisture and inspect it for changes in texture, unusual odor, mold, or other signs of spoilage.

Discard the product if there are signs of mold, insect contamination, moisture damage, or deterioration.

Preparation:

If using dried Zhi Gan Cao, prepare according to the product instructions or the directions provided by a qualified Traditional Chinese Medicine practitioner.

Traditional decoction: Zhi Gan Cao is traditionally simmered in water, either alone or as part of a prescribed multi-herb formula. The quantity of water, preparation time, and other ingredients depend on the formula.

Traditional herbal combinations: Zhi Gan Cao is frequently combined with other Chinese medicinal herbs to support Qi, harmonize a formula, and address traditional respiratory or digestive patterns.

Zhi Gan Cao is prepared by processing licorice root with honey and heat. It should not be confused with Sheng Gan Cao (生甘草), the raw form of licorice root, which has different traditional preparation characteristics and applications.

Do not add extra honey or increase the quantity of licorice to intensify the preparation without professional guidance. Honey processing does not guarantee a particular glycyrrhizin concentration or eliminate the potential risks of excessive licorice intake.

Scientific Support:

Zhi Gan Cao is a honey-processed form of licorice root used in Traditional Chinese Medicine. The botanical source commonly includes Glycyrrhiza uralensis Fisch., although other Glycyrrhiza species may be used in licorice preparations. Honey processing is traditionally intended to modify the herb’s properties and traditional applications.

Licorice root contains numerous naturally occurring phytochemicals, including glycyrrhizin, glycyrrhetinic acid, flavonoids, triterpenoid saponins, polysaccharides, and other phenolic compounds. The relative concentrations of these constituents depend on the botanical species, growing conditions, processing method, and storage.

Modern research has investigated the chemical composition, pharmacological properties, and processing of licorice root. Studies have examined how honey processing changes the chemical profile and potential biological activities of licorice, including reported effects in experimental models involving inflammation, immune function, and liver-related processes.

A 2022 review published in the Journal of Ethnopharmacology examines research on licorice processing with honey and discusses the traditional rationale for the preparation, chemical changes associated with processing, and experimental evidence concerning biological activity. The findings support continued scientific investigation but do not establish that honey-processed licorice is clinically effective for specific medical conditions in humans.

A 2022 review of licorice chemical analysis examines analytical methods used to identify and quantify its chemical constituents, assess product quality, and investigate metabolism and pharmacokinetics. This research highlights the variability of licorice preparations and the importance of accurate botanical identification and quality control.

Modern safety research has established that excessive or prolonged exposure to glycyrrhizin can cause hypertension, potassium depletion, fluid retention, and potentially serious cardiovascular complications. Honey processing should not be assumed to eliminate these risks.

Clinical evidence for Zhi Gan Cao varies according to the botanical species, processing method, dose, formula, and health condition studied. Research involving concentrated extracts, isolated compounds, or laboratory models cannot automatically be applied to a 50 g package of whole honey-processed licorice root. Additional high-quality human clinical studies are needed to establish specific therapeutic applications, appropriate dosing, long-term safety, and potential interactions.

References & Scientific Support:

PubMed – History and the immunostimulatory effects of heat-processed licorice root products with or without honey. This review examines the historical preparation of licorice root in Chinese and Japanese traditional medicine and summarizes research into the chemical changes associated with different heat-processing methods. It discusses experimental findings concerning potential immunomodulatory activity and the contribution of honey to the processing of licorice root. View Research. 

PubMed – Chemical analysis of the Chinese herbal medicine licorice (Gan-Cao): An update review. This review examines analytical methods for identifying, measuring, and evaluating the quality of licorice constituents. It discusses chemical characterization, quality control, metabolism, and pharmacokinetic research relevant to licorice preparations and highlights the importance of consistent botanical identification and product quality. View Research. 

Health Canada – Licensed Natural Health Products Database. This official Canadian database provides regulatory information about licensed natural health products, including products containing licorice root. Relevant records can include medicinal ingredients, approved uses, directions, contraindications, and warnings. Health Canada’s licorice-related product information identifies important precautions concerning high blood pressure, low potassium, kidney disorders, cardiovascular disorders, and medications that may worsen electrolyte imbalance. These warnings are product-specific and should not be interpreted as confirmation that this particular 50 g bulk-herb product is licensed. View Health Canada Reference.