"There are numerous studies being conducted to understand the role folate plays in cancer reduction," Rumsey said. A study published in the journal Carcinogensis found that grapefruit increased the death of cancer cells in rats whose colons had been injected with carcinogens.
Researchers looked primarily at participants who smoked, suffered from chronic inflammation or had elevated levels of stomach bacteria Helicobacter pylori, though they noted that poor diet and family history could also be risk factors lessened by lycopene.Īnimal studies have suggested that grapefruit may have a reduction effect on colon cancer cells. The lycopene in grapefruits may also contribute to reducing risk of stomach cancer, according to a review in the Journal of Cancer Prevention. Men with the highest levels of lycopene were 21 percent less likely to develop prostate cancer than those with the lowest lycopene levels.
A large-scale study of nearly 50,000 men published in the Journal of the National Cancer Institute found an inverse relationship between lycopene (in this study, the lycopene was from tomatoes) and prostate cancer risk. The researchers suggested that vitamin C might improve the efficacy of chemotherapy.Īccording to the Physician’s Committee for Responsible Medicine, red and pink grapefruit is one of the best sources for lycopene after tomatoes."Lycopene has been linked to a decreased risk of prostate cancer," said Rumsey. A study published in the Journal of Chemotherapy found that vitamin C supplementation exerted a chemotherapy-like effect on esophageal cancer cells. A study published in the British Journal of Nutrition found that women who drank one-half to one liter of grapefruit, orange or apple juice each day saw their urinary pH value and citric acid excretion increase, which significantly lowered their risk of forming kidney stones.Īccording to Rumsey, vitamin C and beta-carotene may lead to a reduced risk of esophageal cancer. The more citric acid in your urine, the more protected you may be from forming new kidney stones. Those with the highest vitamin C levels in their plasma had even more reduced rates of heart disease.Īccording to University of Wisconsin Health, citric acid, which is found in grapefruit, may deter stone formation and also break up small stones that are forming. A 2015 study published in The American Journal of Clinical Nutrition looked at more than 100,000 people and found that those who ate the most fruits and vegetables had a 15 percent lower risk of developing heart disease. Vitamin C is linked to a reduced risk of cardiovascular disease, said Rumsey. Vitamin C helps also protect leukocytes, which produces antiviral substances. According to the Linus Pauling Institute at Oregon State University, vitamin C stimulates the production of white blood cells and may protect the integrity of immune cells.
#Grapefruit juice nutrition facts free
"Vitamin C is plays a role in immunity and helps neutralize free radicals in our body," said Rumsey.
Food and Drug Administration, which regulates food labeling through the National Labeling and Education Act: Health benefitsĪccording to the George Mateljan Foundation's World’s Healthiest Foods website, half a medium-size grapefruit provides 59 percent of your daily vitamin C needs. Here are the nutrition facts for grapefruit, according to the U.S.
She noted that grapefruits go well with seafood dishes, too. "Try topping it with savory seasonings, like cilantro or chili powder, to offset the tangy flavor," Rumsey suggested. There are several varieties of grapefruit, including white, ruby red and pink, which have varying levels of sourness and sweetness. Grapefruit grows in warm climates Florida and southern areas of China are the world's top producers.
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