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By PEERtrainer Founder

Title:   Grapefruit

Nutrition facts

Serving Size
Amount per serving
Calories 97 Calories from Fat 3
Hide Daily Values % Daily Value*
Total Fat 0g 0%
  Saturated Fat 0g 0%
Cholesterol 0mg 0%
Sodium 0mg 0%
Total Carbohydrates 25g 8%
  Dietary Fiber 4g
  Sugars 16g
Protein 2g
Vitamin A 53%     Vitamin C 120%
Calcium 5%     Iron 1%
Thiamin 7%     Riboflavin 4%
Niacin 2%     Pantothenic Acid 6%
Vitamin B6 6%     Potassium 9%
Phosphorus 4%     Magnesium 5%
Zinc 1%     Copper 4%
* Percent Daily Values are based on a 2,000 calorie diet.

There are 97 calories in 1 cup of grapefruit. A one cup serving of grapefruit contains 16 grams of sugar.

Half a grapefruit has 52 calories, 8 grams of sugar. It also has 28% of the recommended daily dose of Vitamin A plus 64% of your recommended Vitamin C.

Grapefruit is among a handful of fruits that is one the left side of the PEERtrainer Cheat System.

Grapefruit is one of the most nutrient dense fruits on Dr Fuhrman's food scoring index. (The one featured in every Whole Foods store in the US.)

According to his "nutrient density" system, grapefruit has the same aggregate nutritional score as blueberries, which are a commonly known "superfood."

Isn't The Acid In Grapefruit Bad For You?

While you don't want to go nuts on a "Grapefruit Diet," according to Robert Young, PhD, " although "chemically acid (grapefruit) has "an alkalizing effect when metabolized in the body."

Chemically, grapefruit is similar to lemon and limes, which are both considered a health promoting food in most cultures.

Rich In Lycopene, A Proven Cancer Fighter

The red or pink color of a grapefruit is a marker of important "phytochemicals" (which is the stuff that Dr. Fuhrman measures above and beyond Vitamins and Minerals.)

These phytonutrients are proven cancer fighters. Researchers have shown that people who regularly consume both green tea and lycopene rich foods have a dramatically lower risk of cancer.

Those of you following the PEERtrainer Cheat System will note that both Grapefruit and Green Tea are highly encouraged on our system. (Other fruits and drinks are subtly discouraged in order to get you to focus on these.)

Very Interesting New Research About Inhibiting Tumor Growth

New research just published in December 2010, has helped to shed light on the anti-cancer properties of grapefruit. Grapefruit contains a compound called a "limonoid" which have been shown in this new research to be "very potent" in causing "cell cycle arrest."

Basically what scientists currently think happens is that the limonoids promote the growth of an enzyme which helps make toxic compounds more easily expelled by the body.

All citrus fruits have these (and other) compounds.) Oranges also have similar properties- and have a similar nutritional ranking by Dr. Fuhrman.

Calories and Nutrition in Apples
Calories and Nutrition in Apricots
Calories and Nutrition in Avocados
Calories and Nutrition in a Banana
Calories and Nutrition in Blackberries
Calories and Nutrition in Blueberries
Calories and Nutrition in Cherries
Calories and Nutrition in Cranberries
Calories and Nutrition in Dates
Calories and Nutrition in Grapes
Calories and Nutrition in Grapefruit
Calories and Nutrition in A Kiwi
Calories and Nutrition in Lemon
Calories and Nutrition in Litchis
Calories and Nutrition in A Mango
Calories and Nutrition in A Honeydew Melon
Calories and Nutrition in Cantaloupe
Calories and Nutrition in Olives
Calories and Nutrition in Papaya
Calories and Nutrition in Peaches
Calories and Nutrition in a Pear
Calories and Nutrition in Pineapple
Calories and Nutrition in a Pluot
Calories and Nutrition in Plums
Calories and Nutrition in Strawberries
Calories and Nutrition in a Tangerine
Calories and Nutrition in Watermelon

Health Benefits

last edit by PEERTRAI, 3/24/2011 8:08:44 PM

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Fruit   Fruits and Fruit Juices  

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