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The Chemistry of Seeds - Coggle Diagram
The Chemistry of Seeds
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Lipid Storage in Seeds
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soluble in ether, chloroform, or benzene
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Fatty Acids
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free state, resemble fats in physical properties
found in plant parts other than in germinating or deteriorating seeds as a result of fat hydrolysis.
Can be saturated or unsaturated, dependent on the linkage
unsaturated fatty acids are most common in seeds with oleic acids (one double bonds) and linoleic acids (two double bonds)
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Classification of Lipids
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compound
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phospholipids: which one of three fatty acids units are replaced with phosphoric acid combined with choline
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Protein Storage in Seeds
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Less complex than protoplasmic proteins and less likely to be tied up with lipids and other prosthetic groups.
great majority of seed proteins are metabolically inactive, serving merely as food reserves for use by the growing embryo
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Seed Prolamines
soluble in 70-90% ethyl alcohol, not in water
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seed proteins generally have high nitrogen and proline content and are low in lysine, tryptophan and methionine.
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