Differences
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starch [2020/12/31 05:33] – [Sources] mete | starch [2020/12/31 05:51] (current) – [Maize / Corn] mete | ||
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===The particle size/ shape=== | ===The particle size/ shape=== | ||
- | Starch molecules arrange themselves in the plant in semi-crystalline granules. Each plant species has a unique starch granular size: rice starch can be relatively small (about 2 μm) while potato starches have generally form larger granules (up to 100 μm). | + | Starch molecules arrange themselves in the plant in semi-crystalline granules. Each plant species has a unique starch granular size: rice starch can be relatively small (about 2 microns) while potato starches have generally form larger granules (up to 100 microns). |
===Amylose=== | ===Amylose=== | ||
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~40% Amylose \\ | ~40% Amylose \\ | ||
~60% Amylopectin \\ | ~60% Amylopectin \\ | ||
- | Medium granules 29 to 126 microns in size. \\ | + | Medium granules 29 to 75 microns in size. \\ |
====Maize / Corn==== | ====Maize / Corn==== | ||
- | ==Common | + | ==Common |
~25% amylose\\ | ~25% amylose\\ | ||
~75% amylopectin \\ | ~75% amylopectin \\ | ||
Small irregular particles 5 to 20 microns in size. \\ | Small irregular particles 5 to 20 microns in size. \\ | ||
- | ==waxy maize== | + | |
+ | ==Waxy Maize== | ||
~0% amylose\\ | ~0% amylose\\ | ||
~100% amylopectin \\ | ~100% amylopectin \\ | ||
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Waxy maize is almost totally made up of amylopectin. | Waxy maize is almost totally made up of amylopectin. | ||
- | ==high-amylose corn starche | + | ==High Amylose Corn Starch |
~55% amylose\\ | ~55% amylose\\ | ||
- | ~55% amylopectin \\ | + | ~45% amylopectin \\ |
Small smooth irregular particles 5 to 15 microns in size. \\ | Small smooth irregular particles 5 to 15 microns in size. \\ | ||
- | ==high-amylose corn starches | + | ==High Amylose Corn Starch |
~75% amylose \\ | ~75% amylose \\ | ||
- | ~55% amylopectin \\ | + | ~25% amylopectin \\ |
Small smooth irregular particles, 10 to 15 microns in size. \\ | Small smooth irregular particles, 10 to 15 microns in size. \\ | ||
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~98% Amylopectin | ~98% Amylopectin | ||
Small irregular particles 3 to 8 microns in size. \\ | Small irregular particles 3 to 8 microns in size. \\ | ||
- | ====Sorghum==== | + | ====Sorghum ==== |
+ | ==Normal Sorghum Starch== | ||
+ | ~23.7% Amylose \\ | ||
+ | ~76.3% Amylopectin \\ | ||
+ | Small polygonal particles 5 to 25 microns in diameter. \\ | ||
+ | |||
+ | |||
+ | ==Waxy Sorghum Starch== | ||
+ | ~0% Amylose \\ | ||
+ | ~100% Amylopectin \\ | ||
+ | Small polygonal particles 5 to 25 microns in diameter. \\ | ||
+ | |||
+ | |||
+ | ==Heterowaxy Sorghum Starch== | ||
+ | ~14% Amylose \\ | ||
+ | ~86% Amylopectin \\ | ||
+ | Small polygonal particles 5 to 25 microns in diameter. \\ | ||
+ | |||
====Wheat==== | ====Wheat==== | ||
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FDA report on high amylose corn starches ((https:// | FDA report on high amylose corn starches ((https:// | ||
Physicochemical Characterization of Arrowroot Starch ((https:// | Physicochemical Characterization of Arrowroot Starch ((https:// | ||
- | Structure and Functional Properties of Sorghum Starches Differing in Amylose Content ((https://pubs.acs.org/doi/10.1021/jf800577x)) \\ | + | Science direct on arrowroot starches((https:// |
+ | Structure and Functional Properties of Sorghum Starches Differing in Amylose Content ((https://www.ars.usda.gov/ARSUserFiles/30200510/2008%20-%20Structure%20and%20Functional%20Properties.pdf)) \\ | ||
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