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ivermectin rosacea Astaxanthin was also unstable up to 24 h incubation in various buffer solutions 7 1, 4 8, 22 8, 12 6, 11 0, 12 6, 4 5, 6 7, 5 1, 4 8, 6 0, 11 8 and 9 3 of the spiked amounts of astaxanthin were recovered in buffer solutions with pH 1 13, respectively |
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