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. 2019 May 17;24(10):1900. doi: 10.3390/molecules24101900

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Light micrographs of granules of native and malic acid-treated corn starch: (A) native corn starch, (B) corn starch with 130 °C treatment, (C) corn starch with pH 1.5 treatment (control), (D) corn starch with pH 1.5 MT, (E) corn starch with pH 3.5 MT, (F) corn starch with pH 5.5 MT, (G) corn starch with pH 7.0 MT (H) corn starch with pH 8.5 MT, (1) light micrographs (2) under polarized light. *MT, malic acid treatment.