Guava (/’gwa:va/) is a common tropical fruit cultivated in many tropical and subtropical regions. Psidium guajava (common guava, lemon guava) is a small tree in the myrtle family (Myrtaceae), native to Mexico, Central America, the Caribbean and northern South America. Although related species may also be called guavas, they belong to other species or genera, such as the pineapple guava, Acca sellowiana. In 2016, India was the largest producer of guavas, with 41% of the world total.
Their fruits are oval in shape with light green or yellow skin and contain edible seeds. Guava leaves are used as an herbal tea and the leaf extract as a supplement.
Health Benefits of Guava fruits and Leaves.
Help Lower Blood Sugar Levels
Some evidence suggests that guava can improve blood sugar control. Several test-tube and animal studies found that guava leaf extract improved blood sugar levels, long-term blood sugar control, and insulin resistance. This is good news for people with diabetes or those at risk.
A few studies involving humans have also shown impressive results.
Another study in 20 people with type 2 diabetes found that drinking guava leaf tea reduced blood sugar levels after a meal by more than 10%.
Boost Heart Health
Guavas may help boost heart health in a number of ways. Many scientists believe that the high levels of antioxidants and vitamins in guava leaves may help protect your heart from damage by free radicals.
The higher level of potassium and soluble fiber in guavas are also thought to contribute to improved heart health. Additionally, guava leaf extract has been linked to lower blood pressure, a decrease in “bad” LDL cholesterol, and rise in “good” HDL cholesterol
Since high blood pressure and high levels of LDL cholesterol are linked to higher risks of heart disease and stroke, taking guava leaf extract could lead to valuable benefits. The fruit may have benefits for heart health as well.
A 12 week study in 120 people found that eating ripe guava before meals caused an overall decrease in blood pressure by 8-9 points, a reduction in total cholesterol by 9.9%, and an increase in “good” HDL cholesterol by 8%.
Help Relieve Painful Symptoms of Menstruation
Many women experience dysmenorrhea – painful symptoms of menstruation, such as stomach cramps.
A study in 197 women who experienced painful symptoms found that taking 6 mg of guava leaf extract daily resulted in reduced pain intensity. It appeared to be even more powerful than some painkillers.
Guava leaf extract is also thought to help relieve uterine cramps.
May Benefit your Digestive System
Guavas are an excellent source of dietary fiber. Therefore, eating more guavas may aid healthy bowel movements and prevent constipation. Just one guava can provide 12% of your recommended daily intake of fiber.
Additionally, guava leaf extract may benefit digestive health. Studies suggest that it may reduce the intensity and duration of diarrhea. Several studies have also shown that guava leaf extract is antimicrobial. This means that it can neutalize harmful microbes in your gut that can cause diarrhea.
Aid Weight Loss
Guavas are a weight-loss-friendly food. With only 37 calories in one fruit and 12% of your recommended daily fiber intake, they are a filling, low-calorie snack.
Unlike some other low-calorie snacks, they are packed with vitamins and minerals – so you aren’t losing out on important nutrient.
Anticancer Effect
Guava leaf extract has been shown to have an anticancer effect. Test-tube and animal studies show that guava extract can prevent and even stop the growth of cancer cells. This is likely due to the high levels of powerful antioxidants that prevent free radicals from damaging cells, one of the main causes of cancer.
One test-study found that guava leaf oil was four times more effective at stopping cancer cell growth than certain cancer drug.
Help Boost your Immunity
Low levels of vitamin C are linked to an increased risk of infections and illness. Guavas are a fantastic way to get this nutrient, as they’re one of the richest food sources of vitamin C.
In fact, one guava provides about double the Reference Daily Intake (RDI) for vitamin C. This is almost twice the amount you get from eating an orange. Vitamin C plays an important role in maintaining a healthy immune system.
It’s also linked to antimicrobial benefits. This means that it helps kill off bad bacteria and viruses that can lead to infections. Vitamin C can easily be flushed out of your body, it’s important to regularly get enough through your diet.
Good for your skin
The wide range of vitamins and antioxidants packed into a guava may work wonders for your skin. Its antioxidants may protect your skin from damage, which can slow down its aging process, helping prevent wrinkles. Guava leaf extract may even help treat acne when applied directly to your skin
One test-tube study found that guava leaf extract was effective at killing acne-causing bacteria -likely due to its antimicrobial and anti-inflammatory pro
Source:
wikipedia.org
healthline.com
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