Table 2.
Tpeak temperatures of the main event in the DSC curves of PCV, LYS, and binary and ternary mixtures. Ethylenediamine tetra-acetic acid (EDTA), cetostearyl alcohol (CET ALC), sodium lauryl sulphate (LAURYL), di-tert-butyl methyl phenol (BHT), liquid petrolatum (LIQ PET), methylparaben (METHYL), nonionic wax (POLAWAX), paraffin (PARAFF), propylene glycol (PROP GLY), propylparaben (PROPYL).
| Sample | Ratio (Drug:Drug or Drug:Drug: Excipient) | Tpeak/°C |
|---|---|---|
| PCV | - | 278.27 |
| LYS | - | 260.92 |
| PCV-LYS | 1:1 | 253.10 |
| EDTA-PCV-LYS | 1:1:1 | 252.18 |
| PROPYL-PCV-LYS | 1:1:1 | 251.41 |
| METHYL-PCV-LYS | 1:1:1 | 251.85 |
| BHT-PCV-LYS | 1:1:1 | 251.76 |
| PARAFF-PCV-LYS | 1:1:1 | 252.86 |
| LAURYL-PCV-LYS | 1:1:1 | 253.37 |
| POLAWAX-PCV-LYS | 1:1:1 | 252.67 |
| CET ALC-PCV-LYS | 1:1:1 | 222.74 |
| PROP GLY-PCV-LYS | 1:1:1 | 253.85 |
| LIQ PET-PCV-LYS | 1:1:1 | 257.62 |