[Hinews] For centuries, Koreans have cherished a beverage as elemental as water yet imbued with remarkable health benefits: barley tea. Renowned for its nutty aroma and gentle flavor, it appeals to all ages. Despite its name, barley tea contains no tea leaves; it’s a grain infusion crafted from roasted barley, technically a “substitute tea.”

This technicality does not lessen its merit. Barley tea delivers a spectrum of health benefits, from aiding diabetic patients in blood glucose control to providing detoxifying and antioxidant properties, making it a favored choice for cancer patients on strict diets. Once boiled as a substitute for tap water, it remains a staple in Korean households. Here, we explore its manifold benefits and the best ways to prepare it.

Barley tea, a cornerstone of Korean households for generations, was the preferred drink before coffee and green tea rose to prominence. (Image design by GDH AI Design Team, Seoul National University Hospital)
Barley tea, a cornerstone of Korean households for generations, was the preferred drink before coffee and green tea rose to prominence. (Image design by GDH AI Design Team, Seoul National University Hospital)


Cardiovascular Health and Cholesterol Regulation

Barley’s soluble fiber, beta-glucan, binds cholesterol in the digestive tract, promoting its excretion. This process lowers LDL cholesterol, reducing the risk of atherosclerosis and other cardiovascular diseases. The U.S. FDA endorses a daily intake of at least 3 grams of beta-glucan for heart health. Additionally, barley germ contains tocotrienols, which inhibit cholesterol synthesis, enhancing the tea’s protective effects on the vascular system.
Blood Glucose Management and Diabetes Prevention

Among Korean grains, barley boasts the highest beta-glucan content. This viscous fiber slows glucose absorption in the small intestine, mitigating post-meal blood sugar spikes. Consequently, barley tea is valuable for diabetes prevention and glucose regulation. With negligible residual carbohydrates, it’s safe for diabetic patients. Consistent consumption may improve insulin sensitivity and reduce insulin resistance.

Digestive Wellness

Barley stands out as a digestive ally. Its rich fiber content stimulates intestinal motility and supports regular bowel movements. Sprouted barley, or malt, contains natural digestive enzymes that ease gastric strain, explaining the relief barley tea provides after heavy meals. It also aids in relieving constipation, making it ideal for those with slow digestion.

Antioxidant Properties and Immune Support

Barley contains arabinoxylan, a polysaccharide that enhances immune cell activity, and peptide proteins that promote white blood cell production, fortifying the body’s defenses. Its robust antioxidant properties combat cellular aging and inflammation while supporting collagen synthesis for healthier skin. One or two cups daily can bolster immune function.

Thermoregulation and Detoxification

In Korean traditional medicine, barley is deemed a “cooling” grain. Drinking barley tea in warm weather helps lower body temperature and prevent heatstroke. The porous structure of roasted barley, akin to charcoal, adsorbs heavy metals and contaminants from tap water. Regular intake may support liver function and systemic detoxification.

When choosing barley tea, scrutinize ingredient labels. Opt for products made solely from barley, avoiding additives like starch hydrolysates. Some commercial blends include non-barley components, which may dilute the tea’s benefits. (Image courtesy of ClipArtKorea)
When choosing barley tea, scrutinize ingredient labels. Opt for products made solely from barley, avoiding additives like starch hydrolysates. Some commercial blends include non-barley components, which may dilute the tea’s benefits. (Image courtesy of ClipArtKorea)


Precautions for Specific Groups

Barley tea is generally safe, but certain individuals should exercise caution. Its high potassium content is typically well-managed by healthy kidneys, but those with impaired renal function, such as chronic kidney disease patients, face risks like cardiac arrhythmias or, in rare cases, cardiac arrest. Plain water is often a safer option for them.

Individuals with sensitive stomachs should also take care, as barley tea’s cooling nature may cause discomfort. Pregnant women, in particular, should limit cold barley tea to avoid physical unease. For those prone to diarrhea or abdominal pain, warm barley tea is advisable.

Proper storage is critical. Barley tea left at room temperature risks bacterial contamination, especially in summer. Brew small batches, consume within two to three days, and store in sterilized glass containers in the refrigerator to ensure freshness.

Preparing Barley Tea for Optimal Flavor and Benefits

Traditional Method (with Chlorine Removal):

  1. Bring tap water to a rolling boil in a pot.
  2. Open the lid and boil for 5 minutes to eliminate chlorine.
  3. Add a handful of roasted barley and simmer on medium heat for 10 minutes.
  4. Remove from heat, steep for 10 minutes, then strain the barley.
This method preserves the tea’s nutty flavor while reducing bitterness or astringency.

Using Tea Bags for Convenience:

  1. Place a barley tea bag in 2 liters of water.
  2. Simmer on medium heat for about 10 minutes.
  3. Remove from heat, steep for 5–10 minutes, then discard the bag.
  4. Cool completely before refrigerating to prevent spoilage.
Enhancing with Corn and Solomon’s Seal:For a deeper flavor, blend barley tea with corn tea or Solomon’s seal (dungulle). Soak Solomon’s seal overnight in the refrigerator. Grind corn tea and mix with barley in a 1:1 ratio. Place all ingredients in a tea bag and boil for 20 minutes. The result is a harmonious blend of nutty, sweet, and herbal notes.

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