Author: Marilyn Medina

It turns out that grapefruit also contains a substance called naringenin that can cause subtle changes in the heart’s carefully choreographed timing. It does this by slightly prolonging what’s known as the QT interval (see “What is long QT syndrome?”). Does grapefruit raise heart rate? The first dose of felodipine together with grapefruit juice was […]

What to Do with Overripe Grapefruit – 22 Recipe Ideas Make grapefruit sorbet. Make grapefruit juice. Make a grapefruit gin & tonic. Make a refreshing grapefruit soda. Make a salad dressing with grapefruit. Add to a savory cobbler. Make a simple marinade. Make grapefruit margaritas. Can you eat old grapefruit? If the whole fruit feels […]

Certain compounds in grapefruit can cause the concentration of afib medications in your bloodstream to spike. For example, if you take the anticoagulant warfarin (Coumadin), eating grapefruit can make your blood thinner than normal and put you at risk for a bleed. Can grapefruit cause irregular heartbeat? It turns out that grapefruit also contains a […]

A: It could be a fungal problem encouraged by excessive rain, or it could be less troublesome sooty mold. Citrus diseases include brown rot, which often first attacks fruit close to the ground. Black rot spores typically enter through a scar on the fruit. How do you know if a grapefruit is spoiled? How To […]

flavedo 1. On its outside is a pigmented skin that scientists refer to as the flavedo 1. The flavedo is covered in tiny glands filled with essential oils. The oils contain many of the compounds that give grapefruit its signature aroma, released when cooks, who refer to the skin as zest, grate it, adding zip […]

We conclude that grapefruit juice had no effect on caffeine pharmacokinetics or hemodynamic effects. Does grapefruit affect metabolism? Many drugs are broken down (metabolized) with the help of a vital enzyme called CYP3A4 in the small intestine. Grapefruit juice can block the action of intestinal CYP3A4, so instead of being metabolized, more of the drug […]

Grapefruit Another important nutrient for sleep is the antioxidant lycopene, as demonstrated in this recent study, which found that people who had consumed more lycopene had less difficulty falling asleep. “Grapefruits contain lycopene,” says Elkin. Does grapefruit keep you up at night? Grapefruit is a light choice (there are only 13g carbs in grapefruit, calories […]

Grapefruits contain the compound psoralen, which is toxic for dogs. The grapefruit rind, seeds, and pith are the most toxic parts of the fruit. Are grapefruit seeds poisonous? Within seeds of many non-citrus fruits is a chemical called amygdalin, which can be converted to cyanide in the body if the seeds are chewed or crushed, […]