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Barley Tea: Health Benefits, Side Effects

Barley tea is a popular herbal drink widely consumed in East Asian regions like Japan, Korea and Taiwan. The tea is prepared by roasting barley seeds and then using them for the tea preparation. In liquor industries, germinated and dried barley are used as a source of malt for the production of beer.

1. Prevents allergies rhinitis
A study has shown that fermented barley grain extract can reduce the effect of inflammatory cytokines and may help treat allergic rhinitis symptoms such as nasal congestion, headache and runny nose. Though not many studies are conducted on the use of barley tea against allergies, seeing the positive effect of barley fermented extract, it can be considered an appropriate remedy to treat the condition.

2. Acts as anti-diabetic
Barley tea can be an effective remedy in the prevention of diabetes, after considering its positive results on mice. The tea is best used as an alternative for sugary drinks due to its low-calorie and high fibre content. Barley tea can be an effective antidiabetes remedy.

3. Can help with male fertility problems
Barley grains are packed with a vital mineral and antioxidant called selenium. The mineral is known to improve sperm motility and its quality for better fertilisation. Low selenium count in the body is responsible for fertility problems in both men and women along with muscle weakness, hair loss and mental fog.

4. Slows down ageing
In research, barley tea was examined and it was found that the tea improves cognitive functions, maintains intestinal microbiome and reduces the risk of heart diseases, thus increasing the lifespan of a person to approx. four weeks. Along with these, it also delays cognitive decline and spatial recognition due to ageing.

5. Boosts immunity
Barley tea contains an active protein called peptide which is linked to boosting the immune system. The other major immunomodulatory substances in barley tea include beta-glucans and arabinoxylan. They are known to increase the production of bone marrow cells and white blood cells which helps improve immune functions.

6. Reduces inflammation
The phenolic compounds in barley tea are responsible for its anti-inflammatory properties. Barley contains polyphenols like ferulic acids and p-hydroxybenzoic. This helps reduce inflammatory cytokines in the body and reduces inflammation.

7. Prevents cardiovascular diseases
Barley tea has cardioprotection property. The presence of vitamins (A, C, B1 and E), flavonoid (saponarin) and amino acids (tryptophan) in barley tea helps in heart disease prevention. Also, beta-glucan in barley grains is known for reducing cholesterol levels which help prevent heart diseases.

8. Regulates blood pressure Beta-glucan is a form of soluble dietary fibre which is widely known for its positive effect on heart diseases and hypertension. This nutrient helps lower systolic and diastolic blood pressure and reduce blood pressure.

Side Effects Of Barley Tea
Beta-glucan in barley tea may trigger allergic symptoms to people with celiac disease.
The high fibre content in the tea may cause constipation or loose stools.
A compound named acrylamide released from lightly roasted barley can be cancer-causing among a certain group of people, if taken in a large amount.