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Grain and Gluten

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Question
Answer
flour   a powder obtained by grinding grain, typically wheat, and used to make bread, cakes, and pastry.  
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grain   wheat or any other cultivated cereal crop used as food.  
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bran   wheat or any other cultivated cereal crop used as food.  
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endosperm   the part of a seed that acts as a food store for the developing plant embryo, usually containing starch with protein and other nutrients.  
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germ   is the oily part of a kernel or seed from which a new plant sprouts.  
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Whole grain   made with or containing whole unprocessed grain.  
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Refined grain   refined grains, in contrast to whole grains, refers to grain products consisting of grains or grain flours that have been significantly modified from their natural composition.  
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fiber   dietary material containing substances such as cellulose, lignin, and pectin, which are resistant to the action of digestive enzymes.  
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Complex carbohydrate   a polysaccharide (such as starch or cellulose) consisting of usually hundreds or thousands of monosaccharide units  
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Simple carbohydrates   made of just one or two sugar molecules. They are the quickest source of energy, as they are very rapidly digested.  
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amylose   the crystallizable form of starch, consisting of long unbranched polysaccharide chains.  
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amylase   an enzyme, found chiefly in saliva and pancreatic fluid, that converts starch and glycogen into simple sugars.  
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gluten   a substance present in cereal grains, especially wheat, that is responsible for the elastic texture of dough. A mixture of two proteins, it causes illness in people with celiac disease.  
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Celiac disease   sometimes called sprue or coeliac, is an immune reaction to eating gluten, a protein found in wheat, barley and rye.  
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