PREPARATION METHOD FOR OXIDIZED GLUTATHIONE AND CRYSTAL FORM AND IMPURITY THEREOF
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Dec 20, 2022
filing date -
Dec 20, 2022
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Abstract
Provided is a method for preparing oxidized glutathione and a new crystal form and impurity thereof, including the following steps: using dimethyl sulfoxide (DMSO) as an oxidizing agent to oxidize reduced glutathione to crude oxidized glutathione; and recrystallizing and refining in purified water to obtain high-purity heptahydrate crystals of oxidized glutathione.
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