12 Facts About Star Anise

Facts About Star Anise

Star anise is an intriguing and flavorful spice that has been used in cooking and traditional medicine for thousands of years. From its star-shaped pods to its licorice notes, star anise has unique properties and proven health benefits.

Read on to discover 12 fascinating facts about this aromatic spice!


Star anise is the fruit of the Illicium verum evergreen tree native to southwest China and northeast Vietnam. The star-shaped seed pods contain small, pea-sized seeds that impart a sweet, potent flavor similar to licorice or aniseed.

Both whole and ground star anise are staple ingredients in Chinese, Vietnamese, Indian, and Middle Eastern cuisines. Beyond cooking, star anise has been used in traditional Chinese medicine and folk remedies to treat digestive issues, coughs, and flu symptoms.

Keep reading to learn more about the history, uses, flavor profile, and health effects of this warming and fragrant spice.

Facts About Star Anise

Star Anise Series
Star Anise Series
  1. Star anise gets its name from its star shape: Whole star anise consists of eight boat-shaped pods arranged in a star pattern around a central core. Each pod contains a pea-sized rust-colored seed. When ground, the seeds impart an intense sweet licorice flavor.
  2. It’s a pillar ingredient in Chinese five-spice powder: Star anise is one of the five spices that make up this classic Chinese blend, along with fennel, cloves, cassia, and Sichuan peppercorns. The mixture is used to flavor various meat and vegetable dishes.
  3. Star anise is rich in antioxidants: Compounds like linalool, vitamin C, and anethole give star anise antioxidant and anti-inflammatory properties. These effects may boost immunity and reduce cellular damage.
  4. The essential oil has antibacterial effects: Star anise essential oil contains anethole, which research shows can inhibit bacterial growth and combat infections. The oil is sometimes used in mouthwashes and toothpaste.
  5. It aids digestion and relieves gas: Star anise tea is a traditional remedy for digestive issues like bloating, nausea, and constipation. The anethole may soothe intestinal spasms and gas.
  6. Star anise contains shikimic acid: This organic compound is extracted from star anise seeds to manufacture the antiviral drug oseltamivir phosphate (Tamiflu), which treats flu symptoms.
  7. The Japanese variety is toxic: Japanese star anise (Illicium anisatum) is highly poisonous and should not be consumed. It’s important to ensure your star anise was sourced from China.
  8. Star anise pairs well with citrus and spices: Its sweet licorice notes complement oranges, lemons, cinnamon, cardamom, ginger, and cloves. It also enhances the flavor of beef, pork, and poultry dishes.
  9. The whole pods can be simmered in broths: Adding a few whole star anise pods to soups and broths infuses them with flavor. Be sure to remove the pods before serving the dish.
  10. Ground star anise loses potency quickly: Pre-ground star anise begins losing its volatile essential oils soon after grinding. For the best flavor, grind the seeds as needed.
  11. The flavor resembles black licorice: Due to a compound called anethole, star anise has a potent sweet and spicy flavor profile similar to licorice and aniseed. It has a stronger flavor than aniseed.
  12. Star anise has been used medicinally for centuries: Its antimicrobial effects have made it a traditional treatment for respiratory ailments, stomach issues, rheumatism, and toothaches in both Ayurvedic and Chinese medicine.


With its one-of-a-kind star shape, intense licorice aroma, and antioxidant compounds, star anise adds visual beauty, warming flavor, and potential health benefits to both sweet and savory recipes.

Beyond cooking, star anise has been prized in traditional medicine for its antimicrobial and digestive tonic effects. From Chinese five-spice blends to Vietnamese pho, this spice is integral to Asian cuisines.

So whether you’re brewing a pot of star anise tea or simmering a batch of beef stew, unlocking the secrets of star anise can elevate your culinary creations!

Dried Star Anise Fruit Seeds
Dried Star Anise Fruit Seeds


1. What is Illicium verum?

Illicium verum, also known as star anise or badian, is a medium-sized evergreen tree native to northeast Vietnam and South China. It is a spice that closely resembles the flavor of anise and is obtained from the star-shaped pericarps of the fruit of I. verum.

2. What is star anise used for?

Star anise is widely used in culinary preparations around the world. It is an important ingredient in Chinese cuisine, Indian subcontinent dishes like biryani and masala chai, as well as Vietnamese phở. It is also used in the production of liquor, such as the liqueur Galliano, and as a flavor enhancer for meat dishes.

3. Is star anise toxic?

Illicium verum itself is not toxic. However, it is important to note that there are related species, such as Illicium anisatum (Japanese star anise), which are highly toxic and inedible. Ingesting Japanese star anise can cause serious health effects, including seizures and inflammation of the kidneys, urinary tract, and digestive organs.

4. What is the significance of star anise in drug production?

Star anise is a major source of shikimic acid, which is a primary precursor in the synthesis of the anti-influenza drug oseltamivir (Tamiflu). The chemical compound shikimic acid was previously obtained from star anise, but since 2012, a bacterial source has been used for its production.

5. Are there any standardizations or specifications for star anise?

There are certain standardizations and specifications related to star anise products and services. For example, ISO 676 provides information about the nomenclature of the variety and cultivars of star anise. ISO 11178 specifies the requirements for dried fruits of star anise. Additionally, the European Pharmacopoeia and various analytical techniques can be used for identification and differentiation from other species.

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