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An endosperm is formed after the two sperm nuclei inside a pollen grain reach the interior of a female gametophyte or megagametophyte, also called the embryonic sac.One sperm nucleus fertilizes the egg cell, forming a zygote, while the other sperm nucleus usually fuses with the binucleate central cell, forming a primary endosperm cell (its nucleus is often called the triple fusion nucleus).
The germ is retained as an integral part of whole-grain foods. [6] Non-whole grain methods of milling are intended to isolate the endosperm, which is ground into flour, with removal of both the husk (bran) and the germ. Removal of bran produces a flour with a white rather than a brown color and eliminates fiber.
A whole grain is a grain of any cereal and pseudocereal that contains the endosperm, germ, and bran, in contrast to refined grains, which retain only the endosperm. [ 1 ] [ 2 ] [ 3 ] As part of a general healthy diet , consumption of whole grains is associated with lower risk of several diseases.
Standard white flour is made up of milled endosperm, but whole wheat flour is comprised of all three parts. This makes for a nutty flavor and nutrient-rich flour. (Try it in Ree's mom's muffins ...
“Whole grains contain all three parts of the original seed: the bran, germ and endosperm,” says Marisa Moore, M.B.A., R.D.N., L.D., author of The Plant Love Kitchen. Because these parts of the ...
It may also appear as "100% whole grain" or "100% whole wheat," the USDA says. Opt for a bread with as few grams of added sugar listed on the label as possible. What is the healthiest type of bread?
Starchy endosperm cells are large, irregularly shaped cells and contain starch grains while aleurone cells are cuboidal in shape and contain aleurone grains. [3] In most cultivated cereals ( wheat species , rye , oats , rice and maize ) the aleurone is single-layered, whereas barley has a multicellular aleurone layer.
Oat flour is a whole-grain flour containing all three parts of the grain — the germ, endosperm and bran. Whole grains naturally contain vitamins and minerals, fiber and antioxidants.