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. 2023 Jan 15;12(1):202. doi: 10.3390/antiox12010202

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© 2023 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 (https://creativecommons.org/licenses/by/4.0/).

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Effects of r-Hcy and methionine on MetHb formation in Rosup-treated erythrocytes (n = 3). The absorbance at 630 nm represented the content of MetHb. (A) r-Hcy (0.8 mM) treatment for 3~9 h significantly inhibited MetHb formation induced by Rosup. (B) Treatment with 0.5~2 mM methionine for 6~9 h significantly decreased formation of MetHb in Rosup-treated erythrocytes.