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. 2023 Feb 9;15(2):590. doi: 10.3390/pharmaceutics15020590

Table 1.

Specific rotation of water solutions of Zn(Met)2 and L-Met at different pH, w/v concentration 2% (134 mmol/L).

pH [α]20D ± SD
Zn(Met)2 L-Met
−1.35 +14.00 ± 0.31 +23.24 ± 0.06
12.95 −2.64 ± 0.29 +2.19 ± 0.03