What are the benefits of Ai Yu?

January 9, 2026 •

4 min read

According to traditional Chinese medicine, the pure pectin from aiyu has been used for centuries for its health properties. The fig seeds from which it is made produce a natural, low-calorie jelly that is a popular dessert in Taiwan, but many may not be aware of the specific health benefits of Ai Yu.

Quick Summary

Aiyu jelly is a low-calorie, naturally-derived dessert from fig seeds, primarily known for its high soluble fiber (pectin) and water content. It promotes digestive health, aids in weight management, and supports skin hydration and vitality.

Key Points

Supports Digestion: Rich in pectin, a soluble fiber that promotes healthy bowel movements and aids gut health.
Aids in Weight Management: Very low in calories and over 90% water, creating a feeling of fullness that can help control appetite.
Boosts Hydration: The high water content makes it an excellent, refreshing option for staying hydrated, especially in warm climates.
Promotes Skin Health: Contains pectin and antioxidants that support skin hydration, elasticity, and circulation.
All-Natural Dessert: Made from the seeds of a native Taiwanese fig, offering a natural alternative to synthetic or high-sugar jellies.
Low Calorie: When prepared with minimal sugar, it is a healthy, low-calorie dessert option.
Versatile Ingredient: Can be enjoyed in a variety of ways, including with lemon, honey, or as a topping for other desserts.

Introduction to Ai Yu: The Taiwanese “Ice Jelly”

Ai Yu, or "ice jelly," is a popular and refreshing Taiwanese dessert made from the seeds of the Ficus pumila var. awkeotsang, a creeping fig plant native to Taiwan. The process of making this unique jelly is fascinatingly simple and natural. Dried fig seeds are placed in a cloth bag and massaged in cold, mineral-rich water. This friction releases pectin, a gelling agent, which then solidifies the water into a delicate, amber-colored jelly. Typically served with honey, lime juice, and ice, Ai Yu is a delicious and cooling treat, but its appeal goes far beyond its taste and texture. It offers a surprising array of health benefits, primarily due to its high fiber and water content.

The Digestive Benefits of Ai Yu

One of the most significant benefits of Ai Yu comes from its naturally high concentration of pectin, a soluble dietary fiber. This component is a champion for digestive wellness, working in several key ways.

Relieves Constipation: The soluble fiber in Ai Yu acts as a bulk-forming laxative, helping to soften stool and promote regular bowel movements. For those experiencing occasional constipation, this can offer a gentle and natural remedy.
Supports Gut Health: As a prebiotic, the pectin in Ai Yu helps to feed the beneficial bacteria in your gut. A healthy gut microbiome is linked to improved digestion, enhanced immunity, and even better mental health.
Promotes Nutrient Absorption: By improving the overall health of the digestive tract, Ai Yu can also assist in the better absorption of nutrients from other foods. This means your body can more efficiently utilize the vitamins and minerals you consume.

Ai Yu for Weight Management

For individuals focused on maintaining a healthy weight, Ai Yu is an excellent dessert or snack option. Its composition makes it a guilt-free indulgence, provided it is prepared without excessive added sugar.

High Water Content: Ai Yu jelly is over 90% water, making it incredibly hydrating and low in calories. This high water volume helps you feel full and satisfied, which can curb overeating.
Feeling of Satiety: The soluble fiber (pectin) swells in the stomach, creating a feeling of fullness that can help to reduce overall food intake. This satiety effect is a key benefit for anyone watching their calorie consumption.
Low Calorie Count: When prepared simply with honey and lemon, a serving of fresh Ai Yu jelly is very low in calories, making it a perfect, light substitute for more decadent desserts.

Skin Health and Hydration Benefits

The hydrating properties of Ai Yu extend beyond the digestive system to the skin. The combination of high water content and specific nutrients can contribute to a healthier complexion.

Deep Hydration: Consuming Ai Yu jelly helps boost overall body hydration from the inside out. Proper hydration is crucial for maintaining skin elasticity and a plump, youthful appearance.
Anti-Aging Properties: According to some traditional texts, the pure pectin in Ai Yu has been associated with resisting aging and improving skin conditions. This is supported by its antioxidant properties, which help combat oxidative stress that can damage skin cells.
Reduces Swelling and Inflammation: Anecdotal evidence suggests that consuming Ai Yu can improve blood circulation and reduce swelling or inflammation. While more research is needed, this could contribute to clearer, less puffy skin.

Ai Yu vs. Other Jellies: A Comparison

To highlight the unique qualities of Ai Yu, here is a comparison with other popular jellies, both natural and synthetic.


Feature	Fresh Ai Yu Jelly	Grass Jelly	Standard Gelatin Dessert	Agar-Agar Jelly
Origin	Naturally derived from fig seeds.	Herbal; from Chinese mesona plant.	Animal collagen (gelatin).	Seaweed extract (kanten).
Ingredients	Fig seeds, hard water.	Chinese mesona plant, starch, water.	Gelatin, sugar, artificial flavorings.	Seaweed extract, water.
Primary Benefit	Digestive health, low calorie, hydration.	Cooling, herbal properties.	High protein (gelatin).	High fiber, vegan.
Nutritional Profile	Low calorie, high pectin/fiber.	Low calorie, fiber (if made with plant).	High sugar, minimal fiber (unless added).	High fiber, low calorie.
Texture	Soft, bouncy, gelatinous.	Firm, slightly bouncy, herbal taste.	Firm, melts in mouth, smooth.	Firm, gels at room temp, holds heat.
Calorie Content	Very low (approx. 2 kcal per 100g for pure jelly).	Low to moderate (depends on preparation).	High (often due to sugar).	Low.

Potential Considerations

While the benefits of Ai Yu are clear, there are a few important considerations to keep in mind to maximize its health value:

Avoid Excessive Sweetening: The pure jelly itself is very low in calories, but traditional preparations often include sugar syrups. To maximize the weight management benefits, opt for natural sweeteners like honey and fresh lemon or lime juice.
Use Hard Water: The minerals in hard water are essential for the pectin to set properly. If your tap water is soft, you may need to use store-bought mineral water to achieve the right consistency.
Fresh is Best: Freshly made Ai Yu is known for its pure, natural properties. Store-bought or powdered versions may contain stabilizers or added sugars that diminish its health benefits. Fresh jelly is also perishable and should be consumed within 1-2 days.

Conclusion

The humble Ai Yu jelly is far more than a simple dessert; it is a nutritional powerhouse wrapped in a refreshing, naturally-derived treat. From its ability to promote digestive health and aid in weight management to its potential benefits for skin and hydration, the advantages are numerous and well-documented through both traditional use and modern nutritional understanding. By opting for fresh, naturally prepared Ai Yu and pairing it with simple, healthy additions like lemon and honey, you can enjoy a delicious and wholesome snack that contributes positively to your overall well-being. Next time you're looking for a cool, guilt-free indulgence, remember the powerful benefits of Ai Yu.

Frequently Asked Questions

Ai Yu is a natural jelly made from the seeds of the Ficus pumila var. awkeotsang, a fig species native to Taiwan. The pectin within the seeds is released by rubbing them in cold, mineral-rich water, causing the liquid to set into a jelly.

Yes, Ai Yu can aid in weight loss when prepared simply. Its high water and fiber content promote a feeling of satiety, and the pure jelly is very low in calories, making it a great, guilt-free dessert option.

Yes, Ai Yu is excellent for digestion. It is rich in pectin, a soluble fiber that helps regulate bowel movements and supports a healthy gut microbiome.

No, Ai Yu jelly and grass jelly are not the same. Ai Yu is made from fig seeds, while grass jelly is made from the Mesona chinensis plant and has a distinct herbal flavor.

Ai Yu jelly requires cold, mineral-rich (hard) water to set. If your water is too soft, distilled, or filtered, the pectin will not activate properly. Using a clean, oil-free bowl is also essential.

Yes, Ai Yu can benefit your skin through its hydrating properties. Its high water content helps moisturize the skin from within, while traditional medicine notes its potential for improving skin conditions and circulation.

To maximize health benefits, serve freshly made Ai Yu with minimal additions. Traditional pairings include honey and fresh lemon or lime juice. This keeps the dessert low in calories and high in flavor.