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. 2021 Jan 25;6(4):2626–2637. doi: 10.1021/acsomega.0c04779

Table 2. Kinetic Solubility Study of Metformin Salts in Lipid Excipients.

  solubility (mg/g) of lipid excipient
lipid excipient metformin hydrochloride metformin oleate metformin laurate metformin caprate metformin cholate metformin docusate
medium-chain triglyceride (Miglyol 812N) <5 <5 <5 <5 <5 >200
propylene glycol monocaprylate (Capryol 90) <5 <5 <5 <5 <5 >200