Green M. M., Blankenhorn G., Hart H. Which starch fraction is water-soluble, amylose or amylopectin? (англ.) // Journal of Chemical Education[англ.] : journal. — 1975. — Vol. 52, no. 11. — P. 729—730. — doi:10.1021/ed052p729. — «However, pure amylose obtained in other ways is not soluble in cold water, whereas pure amylopectin that has not degraded is readily soluble in cold water.»
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Green M. M., Blankenhorn G., Hart H. Which starch fraction is water-soluble, amylose or amylopectin? (англ.) // Journal of Chemical Education[англ.] : journal. — 1975. — Vol. 52, no. 11. — P. 729—730. — doi:10.1021/ed052p729. — «However, pure amylose obtained in other ways is not soluble in cold water, whereas pure amylopectin that has not degraded is readily soluble in cold water.»