Nutrition

Can Grapes Increase Gut Bacteria, Lower Cholesterol, and Protect the Heart? One study has the answers

Can Grapes Increase Gut Bacteria, Lower Cholesterol, and Protect the Heart?  One study has the answers
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Can Eating Grapes Alter Gut Health Forever? New research, led by the Western New England University College of Pharmacy and Health Sciences, has found that when healthy adults had three servings of grapes a day for two weeks, they increased some types of gut bacteria while decreasing others.

Levels of some intestinal bacteria, such as Holdemania spp, decreased, while those of others, such as Streptococcus thermophilus, increased. Now Streptococcus Thermophilus is a probiotic, it can help break down food, absorb nutrients, and fight disease-causing organisms. This is commonly used to make fermented dairy products such as yogurt. The researchers also saw changes in various levels of enzymes and biological pathways. Even 30 days after stopping grape consumption, some individuals still showed changes in their microbiome, enzymes and pathways, suggesting the effects are long-lasting.

According to Dr. Priyanka Rohatgi, chief nutritionist, Apollo Hospitals, the study establishes a correlation even though it found that grapes did not affect overall gut diversity. Therefore, more scientific evidence is needed to directly link grapes to an increase in beneficial gut bacteria. But they certainly act as enablers, she says.

Can daily consumption of grapes increase some intestinal bacteria?

Grapes are known to contain dietary fiber, polyphenols, and other bioactive compounds that may have positive effects on gut health.
The dietary fiber in grapes may act as a prebiotic, providing nutrition to beneficial gut bacteria. These bacteria can ferment fiber, producing short-chain fatty acids that support intestinal health. Additionally, polyphenols found in grapes, such as resveratrol, have potential prebiotic effects by promoting the growth of beneficial intestinal bacteria.

How do intestinal bacteria help the human body?

Gut bacteria, also known as the gut microbiota or microbiome, refers to the large community of microorganisms that reside in the digestive tract, primarily in the large intestine. They aid in the breakdown and digestion of complex carbohydrates, fiber, and other compounds that the human body cannot digest on its own. They produce enzymes that break these substances down into smaller molecules that can be absorbed and used by the body. In this process, they help extract additional energy and nutrients from the food. Emerging research suggests that the gut microbiota can influence metabolism and weight regulation.

How does grape consumption affect intestinal health?

Consuming grapes can have positive effects on gut health due to several factors, including the presence of dietary fiber, polyphenols, and other beneficial compounds. Fiber adds bulk to your stool, helping regular bowel movements and preventing constipation. Grapes are rich in polyphenolic compounds, such as resveratrol, flavonoids and anthocyanins, which possess antioxidant and anti-inflammatory properties.

Digestion and absorption of nutrients: Gut bacteria aid in the breakdown and digestion of complex carbohydrates, fiber, and other compounds that the human body cannot digest on its own. They produce enzymes that break these substances down into smaller molecules that can be absorbed and used by the body. In this process, they help extract additional energy and nutrients from the food.

Immune system function: The gut microbiota plays a vital role in supporting the immune system. The presence of beneficial bacteria helps maintain a healthy balance and prevents the overgrowth of harmful microorganisms. Certain gut bacteria stimulate the production of immune cells, regulate inflammation, and improve the barrier function of the intestinal lining, all of which contribute to a robust immune response.

Metabolism and Weight Regulation: Emerging research suggests that the gut microbiota can influence metabolism and weight regulation. Studies have found differences in gut bacterial composition between lean individuals and those who are overweight or obese. Certain gut bacteria can affect energy balance, fat storage, and even appetite regulation, potentially impacting weight management.

Synthesis of vitamins and other bioactive compounds: Some intestinal bacteria are capable of producing vitamins, such as vitamin K and some B vitamins, which are important for various physiological processes. Furthermore, the gut microbiota can ferment dietary fibers and produce short-chain fatty acids, which have anti-inflammatory effects and provide a source of energy for the cells lining the colon.

Brain-gut axis and mental health: There is growing evidence of a two-way communication system between the gut and the brain, known as the brain-gut axis. The gut microbiota can influence the production of neurotransmitters and other molecules that can influence mood, behavior and brain function. Alterations in gut bacterial composition have been associated with conditions such as anxiety, depression, and neurodevelopmental disorders.

How does consuming grapes improve overall health and heart health?

Grape consumption may contribute to overall health and promote heart health through various mechanisms. Here are some ways consuming grapes can have positive effects:

Antioxidant activity: Grapes are rich in antioxidants, including polyphenols such as resveratrol, flavonoids and anthocyanins. These antioxidants help protect cells from oxidative damage caused by harmful free radicals. Oxidative stress is associated with various chronic diseases, including cardiovascular disease, and the antioxidants in grapes may help reduce this oxidative stress.

Cardiovascular Health: Resveratrol can help improve blood vessel function, reduce inflammation, and inhibit the oxidation of LDL (low-density lipoprotein) cholesterol, often referred to as bad cholesterol. These effects may help reduce the risk of developing cardiovascular diseases, such as heart disease and stroke.

Blood pressure regulation: Regular consumption of grapes and grape products, such as grape juice, has been associated with lower blood pressure levels. Some studies suggest that the polyphenols and other bioactive compounds in grapes may help relax blood vessels, improve blood flow, and reduce high blood pressure.

Heart protective effects: Grapes have demonstrated potential heart-protective effects. Research suggests that consuming grapes may help reduce the risk of blood clots, promote healthy blood flow, and improve the function of the endothelium (the inner lining of blood vessels). These effects help improve cardiovascular health and reduce the risk of heart disease.

Anti-inflammatory properties: Chronic inflammation is a significant contributor to the development of cardiovascular disease. The anti-inflammatory compounds found in grapes, including polyphenols, may help reduce inflammation and oxidative stress in the body, supporting heart health.

Cholesterol Management: Some studies have suggested that regular consumption of grapes may help improve lipid profiles, including reducing total cholesterol and LDL cholesterol levels, while increasing HDL (high-density lipoprotein) cholesterol levels. This favorable effect on cholesterol levels may help reduce the risk of heart disease.

How many servings of grapes can you eat in a day?

The appropriate serving of grapes can vary depending on factors such as individual dietary needs, overall calorie intake, and personal preferences. However, as a general guideline, the American Heart Association recommends consuming 1.5 to 2 cups of fruit per day as part of a balanced diet.

When it comes to grapes, a typical serving is about 1 cup, which equals about 32 grapes. This serving provides approximately 104 calories. Keep in mind that grapes are relatively high in natural sugars, so it’s important to consume them in moderation and do some carb counting to balance out the calorie load.

How to include grapes in a diabetic diet

1) Practice portion control: About 17 grapes, about half a cup, contain about 15 grams of carbohydrates. Cut out carbs from other foods to make room.
2) Pair it with protein and fiber to slow down the digestion and absorption of carbohydrates.
3) Monitor your blood sugar levels regularly to understand how grapes specifically affect you and make adjustments as needed.

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