Research Article

Buparvaquone Nanostructured Lipid Carrier: Development of an Affordable Delivery System for the Treatment of Leishmaniases

Table 3

Enthalpy of fusion (J·mg−1) and crystallinity index for determining the solubility of buparvaquone in solids lipids by differential scanning calorimetry.

LipidCI (%)CI (%)
(J·mg−1)(J·mg−1) 1st(J·mg−1) 2nd1st2nd

Witepsol E85136.033.233.348.849.0
Softisan 154136.042.233.462.149.1
Gelucire 50/13136.059.434.440.650.6
Gelucire 44/14136.047.635.570.052.2
Precirol ATO 5136.054.937.780.755.4
Sterotex HM136.051.544.075.764.7
Dynsan P60136.059.457.987.485.1
Compritol 888136.066.567.397.899.0

BPQ: buparvaquone; BPQ-PM: BPQ and lipid physical mixture; CI: crystallinity index = (BPQ enthalpy in lipid mixture (J·mg−1 (proportion of BPQ and lipid)/BPQ enthalpy of fusion (J·mg−1)) × 100; 1st and 2nd heating cycles.