Really, Not all Grapefruit is Bitter?

Where did they come from ?

Grapefruit were bred in the 18th century as a cross between a pomello and an orange.  They grow in clusters, similar to grapes, hence given the name grapefruit.  They range in taste from sweet to bitter.  In the United States, Florida and Texas harvest the greatest amounts. 

There are So Many Varieties, Which one is the Best?

There are many different varieties of grapefruit; the most typical are white, pink and red.  They are similar in taste and texture, all having some degree of the characteristic bitterness, with some varieties containing more or less seeds.

The most common type of grapefruit is the White Marsh seedless.  It has yellow flesh and yellow skin. Within the marsh variety, there are pink marsh, less acidic and sweeter than the white, and ruby red, red skin and pink flesh, less acidic and considerably more sweet than the white variety.

Other types include the Duncan variety, a large, yellow skinned, very juicy, and full of seeds.  This variety is mainly used for juicing.  Flame grapefruit are dark pink, sweeter than the classic ruby red.  It is a great variety for juicing.  Lavender Gem grapefruit look like a miniature grapefruit because they are a hybrid of grapefruit  and tangelo.  The flesh is a pinkish-blue with a few seeds.  These are delicate in flavor.  Melogold grapefruit are a cross between a pomello and a grapefruit.  They can be quite large, taste more like oranges.  They are easy to peel and contain hardly any seeds.

Why are They so Healthy?

They are low in calories and low on the glycemic index, which means that they do little to raise blood sugar.   They contain high amounts of vitamin A and C.  They have been shown to support clear, healthy skin, decrease heart disease, decrease risk of stroke,  and decrease blood pressure.

They contain AMP-activated protein kinase, an enzyme that it believed to accelerate fat loss.  Eating grapefruit while dieting has shown accelerate fat loss.