4355
Statistically and causally meaningful relationships are established between starch molecular structures ( obtained by size - exclusion chromatography , proton NMR and multiple - angle laser light scattering ) and digestibility of cooked rice grains ( measured by in vitro digestion ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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