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Why do Koreans drink corn tea? Unveiling the Cultural and Health Benefits

4 min read

While many Westerners are accustomed to black or green tea, a staple in Korean homes and restaurants is oksusu-cha, a warming, everyday brew. It's a caffeine-free infusion enjoyed both hot and cold, with a rich history and numerous health benefits that explain why Koreans drink corn tea so frequently.

Quick Summary

Korean corn tea, or oksusu-cha, is a mild, nutty, caffeine-free brew made from roasted corn kernels and silk. It serves as a daily water substitute and is valued for its refreshing taste and health benefits like hydration and diuretic properties.

Key Points

  • Everyday Hydration: Often replaces plain water in Korean households and restaurants due to its mild flavor.

  • Caffeine-Free: As a tisane, it contains no caffeine, making it suitable for all ages and safe to drink at any time of day or night.

  • Year-Round Enjoyment: Served hot during winter for warmth and iced during summer for refreshment, providing versatile enjoyment.

  • Digestive Aid: Helps with digestion and can soothe stomach discomfort, particularly when served warm.

  • Diuretic Properties: Corn silk tea (oksusu-suyeom-cha) is a natural diuretic that helps reduce water retention and supports urinary health.

  • Comforting Flavor: The roasting process gives the tea a distinct, nutty, earthy, and slightly sweet flavor profile.

In This Article

A Staple of Korean Hydration: More Than Just a Beverage

Korean corn tea, or oksusu-cha (옥수수차), holds a special place in Korean culture, often served in households and restaurants as a milder, more flavorful alternative to plain water. Unlike traditional teas brewed from Camellia sinensis leaves, oksusu-cha is a tisane, or herbal infusion, made from roasted corn kernels. Its widespread popularity stems from a perfect blend of taste, cultural relevance, and perceived health benefits. This gentle beverage can be enjoyed by anyone, at any time of day, making it an ideal choice for hydration year-round.

The Allure of a Roasty, Nutty Flavor

One of the primary reasons Koreans favor corn tea is its distinct, comforting flavor profile. The preparation involves roasting the corn kernels until they turn a dark golden brown, which develops a nutty, earthy, and slightly sweet taste. This subtle roastiness is a key characteristic that sets it apart from other grain-based teas like bori-cha (barley tea). The gentle sweetness and toasted aroma make it a highly palatable and satisfying drink, especially when served hot during the colder months to provide a warming comfort.

Year-Round Refreshment: From Hot to Cold

The versatility of oksusu-cha is another factor contributing to its daily consumption. It is traditionally brewed by simmering the roasted kernels in water until the liquid achieves a beautiful golden color. This brew can then be enjoyed in different ways depending on the season:

  • In Winter: Served hot, a warm cup of oksusu-cha is a soothing and cozy beverage.
  • In Summer: Chilled and served cold, it becomes a refreshing and thirst-quenching drink, often kept in pitchers in the refrigerator.

Its ability to be enjoyed at any temperature makes it a versatile drink for any occasion, from accompanying a meal to simply sipping throughout the day.

The Different Types of Korean Corn Tea

When discussing corn tea in Korea, it's important to distinguish between two main types:

  • Oksusu-cha (옥수수차): Made exclusively from roasted corn kernels, providing a robust, roasted flavor.
  • Oksusu-suyeom-cha (옥수수수염차): Brewed from corn silk, the silky fibers found inside the husk, often mixed with kernels to enhance the flavor. Corn silk tea has a slightly sweeter, milder taste and is particularly noted for its diuretic properties.

Comparing Korean Grain Teas: Corn vs. Barley

Korean cuisine features several grain-based teas, with corn tea (oksusu-cha) and barley tea (bori-cha) being the most common. While similar in their preparation and use, they offer distinct flavors and characteristics.

Feature Oksusu-cha (Corn Tea) Bori-cha (Barley Tea)
Main Ingredient Roasted corn kernels, sometimes with corn silk Roasted barley
Flavor Profile Nutty, earthy, and slightly sweet with a roasted aroma Nutty and slightly smoky, sometimes with a bitter aftertaste
Temperature Warming food, served hot in winter Cooling food, served cold in summer
Common Use Everyday drink, great with meals Everyday drink, popular water substitute
Known Benefits Digestion aid, hydration, vitamins (B6, B12, C) Digestion aid, blood sugar control, weight management

Health Benefits Behind the Popularity

Beyond its enjoyable taste, the perception of health benefits is a significant reason why Koreans drink corn tea. Both corn kernel and corn silk tea are packed with natural goodness.

Here are some of the key health benefits:

  • Hydration: As a caffeine-free beverage, corn tea is an excellent way to stay hydrated throughout the day without the stimulating effects of traditional tea or coffee.
  • Diuretic Properties: Oksusu-suyeom-cha, or corn silk tea, is particularly known for its mild diuretic effects, which help flush out excess water and toxins from the body. This can aid in reducing water retention and bloating.
  • Digestive Aid: Both corn and barley teas are commonly consumed for their ability to aid digestion and soothe stomach issues. The gentle warmth of a hot cup can be especially comforting.
  • Rich in Nutrients: Roasted corn tea is cited as being rich in vitamins B6, B12, and C. Corn silk also provides a good source of antioxidants.
  • Blood Sugar and Pressure Regulation: Some evidence suggests corn silk may help regulate blood sugar levels and lower blood pressure. It acts by inhibiting the angiotensin-converting enzyme (ACE), which narrows blood vessels.
  • Weight Management: The diuretic properties of corn silk tea can contribute to temporary weight loss by helping the body eliminate excess fluids.

The Cultural Context of Grain Teas

The tradition of drinking grain-based teas in Korea stems from a resourceful, agrarian culture where locally available ingredients were used to create wholesome and inexpensive beverages. This contrasts with the more elaborate and ritualized ceremonies associated with fine green teas. The simplicity of brewing oksusu-cha reflects a sense of practicality and comfort. It's a humble beverage that unites households, served equally to royalty and commoners throughout history. This cultural context is deeply embedded in the Korean diet, where grain teas are a natural extension of a meal, often served to aid digestion and cleanse the palate.

Conclusion

In summary, Koreans drink corn tea not for a single reason, but for a combination of appealing factors. Its mild, nutty taste and versatile nature make it a perfect everyday hydration tool, while its array of health benefits solidify its status as a wellness beverage. From being a refreshing summer drink to a warming winter brew, oksusu-cha is a simple yet deeply ingrained part of the Korean food and drink landscape. Its long history and cultural significance, alongside the practical benefits of being caffeine-free and nutritious, ensure that this humble grain tea will remain a favorite for generations to come. For more information on the health benefits of corn silk, a key ingredient in some variations of the tea, refer to this article on WebMD.

Frequently Asked Questions

Korean corn tea is called oksusu-cha (옥수수차). The version made specifically from corn silk is known as oksusu-suyeom-cha (옥수수수염차).

No, they are different but related. Oksusu-cha is made from roasted corn kernels, while oksusu-suyeom-cha is made from the silky fibers of the corn husk. Often, they are mixed to enhance the flavor.

No, corn tea is a caffeine-free herbal infusion (tisane), so it is a great choice for those sensitive to caffeine, including children.

Corn tea, particularly corn silk tea, has mild diuretic properties that can help reduce water retention and bloating, contributing to temporary weight management efforts.

To make traditional oksusu-cha, roasted corn kernels are simmered in water until the liquid turns a golden yellow. The brew is then strained and can be served hot or chilled.

Yes, it is perfectly safe for children. Since it is caffeine-free and mild, it is often served to children in Korea as a healthy alternative to water or sugary drinks.

Corn tea has a nutty, earthy, and slightly sweet flavor with a distinctive roasted aroma. The taste is subtle and gentle, which is why it pairs well with meals.

Due to its mild and clean flavor, oksusu-cha is frequently served with Korean meals. It acts as a palate cleanser and a digestive aid, complementing a variety of dishes without overpowering them.

While the tea has a mild, natural sweetness from the roasted corn, it is not overly sweet. Some people may add a touch of honey or sugar, though it is usually enjoyed unsweetened.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.