Development and In Vitro Evaluation of Oral Capsules from Antiaris: A Convenient Substitute for Peripheral Neuropathy

Figure 3

(a) FT-IR spectra of the aqueous extract of the stem bark of Antiaris africana (active), excipients used in formulation A01 (A01 excipients), and the mixture of extract and excipients used in A01 formulation (A01 active) showing no extract-excipient interaction. (b) FT-IR spectra of the aqueous extract of the stem bark of Antiaris africana (active), excipients used in formulation A02 (A02 excipients), and the mixture of extract and excipients used in A02 formulation (A02 Active) showing no extract-excipient interaction. (c) FT-IR spectra of the aqueous extract of the stem bark of Antiaris africana (active), excipients used in formulation A03 (A03 excipients), and the mixture of extract and excipients used in A03 formulation (A03 active) showing no extract-excipient interaction. (d) FT-IR spectra of the aqueous extract of the stem bark of Antiaris africana (active), excipients used in formulation A04 (A04 excipients), and the mixture of extract and excipients used in A04 formulation (A04 Active) showing no extract-excipient interaction.

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