State the nutritional significance of each of the following parts of the wheat grain - Leaving Cert Home Economics - Question 5 - 2015
Question 5
State the nutritional significance of each of the following parts of the wheat grain.
Bran
Endosperm
Germ
Worked Solution & Example Answer:State the nutritional significance of each of the following parts of the wheat grain - Leaving Cert Home Economics - Question 5 - 2015
Step 1
Bran
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Answer
Bran is composed of layers of cellulose that serve as an excellent source of roughage. It aids digestion by stimulating peristalsis, which is important for maintaining healthy bowel function. Additionally, bran contains non-heme iron that is crucial for the formation of hemoglobin in the blood, calcium for bones, and Vitamin B, which promotes the release of energy and supports healthy bones and teeth.
Step 2
Endosperm
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Answer
The endosperm is primarily a source of starch, which provides energy. It contains protein, specifically gluten, that aids in growth. Furthermore, endosperm is rich in Vitamin B, essential for metabolism and maintaining a healthy nervous system.
Step 3
Germ
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Answer
The germ is rich in healthy fats, contributing to energy needs. It provides Vitamin B, which is important for healthy nerve activity, and contains antioxidants that may help in preventing cancer. Additionally, the germ includes iron, which is vital for preventing anemia, and supports protein growth or repair.
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