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논문 기본 정보

자료유형
학술저널
저자정보
Mishra, Arun K. (Central Facility of Instrumentation, School of Pharmaceutical Sciences, IFTM University) Mishra, Amrita (Central Facility of Instrumentation, School of Pharmaceutical Sciences, IFTM University) Chattopadhyay, Pronobesh (Defence research laboratory, DRDO)
저널정보
경희한의학연구센터 Oriental pharmacy and experimental medicine Oriental pharmacy and experimental medicine 제12권 제1호
발행연도
2012.1
수록면
35 - 40 (6page)

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In the present work, the changes on physical properties (pH, viscosity, flow index and tixotropy) of topical formulations were evaluated following addition of calendula oil containing flavonoids. Also the photoprotective effect of these topical formulations were evaluated against ultra violet rays (UVR) induced sunburn in terms of sun protection factor (SPF). Formulation added with sun flower oil was used to compare the physical stability and photoprotective activity. Formulations added with calendula oil exhibited an average pH 7.2 and pseudoplastic behavior. The tixotropy values for formulations F3 and F4, after addition with calendula oil were found to be statistically decreased when compared with FS and Fb. The rheological parameters were constant during the study and the rheograms exhibited no sign of instability when studied at $4^{\circ}$, $27^{\circ}$ and $40^{\circ}C$ on different days of storage. The F3 and F4 samples showed statistically higher SPF (14 and 15 respectively) when compared with Fb (without active sunscreening agent). The highest SPF value 16 was recorded for FS (control formulation added with sun flower oil) while Fb showed lowest SPF vale 5.We concluded that F3, F4 and FS showed higher SPF and physical stability. This study of physical stability and photoprotectice activity of topical formulation can help in the development of sunscreen formulation.

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