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Eating avocados may help manage obesity and diabetes
Researchers found that avocatin B, a fat molecule found in avocados, acts against incomplete oxidation to reduce insulin resistance.
Avocados known to be a delicious and satisfying food can according to researchers also help in delaying or preventing diabetes. For the first time, researchers, led by Professor Paul Spagnuolo, have shown how a compound found only in avocados can inhibit cellular processes that normally lead to diabetes.
In safety testing in humans, the team also found that the substance was absorbed into the blood with no adverse effects in the kidney, liver or muscle. The study was recently published in the journal, Molecular Nutrition and Food Research.
About one in four persons is obese, a chronic condition that is a leading cause of Type 2 diabetes. Insulin resistance in diabetic patients means their bodies are unable to properly remove glucose from the blood. Those complications can arise when mitochondria, or the energy powerhouses in the body’s cells, are unable to burn fatty acids completely. Normally, fatty acid oxidation allows the body to burn fats. Obesity or diabetes hinders that process, leading to incomplete oxidation.
The researchers discovered that avocatin B (AvoB), a fat molecule found only in avocados, counters incomplete oxidation in skeletal muscle and the pancreas to reduce insulin resistance. In their study, the team fed mice high-fat diets for eight weeks to induce obesity and insulin resistance.For the next five weeks, they added AvoB to the high-fat diets of half of the mice. The treated mice weighed significantly less than those in the control group, showing slower weight gain. More important, said Spagnuolo, the treated mice showed greater insulin sensitivity, meaning that their bodies were able to absorb and burn blood glucose and improve their response to insulin. In a human clinical study, AvoB given as a dietary supplements to participants eating a typical western diet was absorbed safely into their blood without affecting the kidney, liver or skeletal muscle.
Having demonstrated its safety in humans, they plan to conduct clinical trials to test AvoB’s efficacy in treating metabolic ailments in people.
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