Experimental Study Of The Yi People Sunscreen Sunscreen

Objective:To screen sunscreen lotion prescription best ratio A preliminary study of its group of parties is reasonable, and verify the compatibility of its effective components of prescription sunscreen effect, laying the foundation for the development of new drugs.Methods:orthogonal design to two-step method for orthogonal experiment, five factors are to take two levels of choice L8 (27) orthogonal experimental programs be 8 to take the body test method and instrument detection method to detect the SPF value and PFA values, using analysis of variance method, according to prescription data screening study results matched the best sun protection;Results:1.Sunscreen Lotion A sunscreen with a moderate-intensity effect of 2,titanium dioxide side of the entire group played a major role in sun protection (P<0.01),Coix seed, ginseng (P<0.05) plays an important role, while the public cloves and liquorice on the the whole group side effects of sun protection was not significant (P> 0.05), in order to save raw materials, lower costs,public clove, licorice are taking a small dose of the better 3.A preferred sunscreen sunscreen lotion on the 6th best side effects of prescription for the: A2B1C2D1E1. Conclusion:1.Sunscreen Lotion A sunscreen with a moderate-intensity effect can be labeled PA+.2.Fangzhong the whole group of various factors in order of titanium dioxide, the primary and secondary "Coix Seed" ginseng "Public clove" licorice.3.Sunscreen lotion A side effect of prescription of the best sun protection:A2B1C2D1E1.