Aprepitant (APT, purity ≥ 98.5%) was purchased from Zhongshan Yiantai Pharma Co. Ltd. (Guangzhou, China). Egg yolk lecithin and sodium oleate were purchased from Shanghai A.V.T. Pharma Co. Ltd. (Shanghai, China). Poloxamer 188 (F68), sucrose and medium-chain triglyceride (MCT) were purchased from Xi’an Tianzheng Medicinal Materials Co. Ltd. (Zhejiang, China). Ethanol was purchased from Shandong Long Yu Quan Pharmaceutical Excipients Co. Ltd. (Shandong, China). All chemicals and reagents were of analytical or HPLC grade.
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