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Fig. 1 | AAPS Open

Fig. 1

From: Research on Pickering emulsification technology based on the concept of “combination of medicine and adjuvant” to improve the pH stability of volatile oil in solid preparations—taking Lingzhu Pulvis as an Example

Fig. 1

Identification and preparation method of various medicinal materials into emulsion types. A State of forming emulsions ((a) pearl powder; (b) cinnabar; (c) amber). B Filter paper method to identify each herb into emulsion type ((a) pearl powder; (b) amber). C Staining method to identify the type of each herb into emulsion (before staining: (a) pearl powder, (b) amber; after staining: (c) pearl powder, (d) amber). D Emulsion volume of different pearl powder concentration. E  Emulsion state of different oil-water ratio. F Preparation by high-speed dispersion method (× 100). G Preparation by high-pressure homogenization method (× 100)

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