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- Conclusion Tyrosinase activity can be increasingly induced by acidum vitamin A. 结论维甲酸可使酪氨酸酶活性增加。
- Methods Tyrosinase activity was estimated by measuring the rate of oxidation of DL-dopa. 方法应用蘑菇酪氨酸酶多巴速率氧化法体外测定酪氨酸酶活性。
- METHODS: Tyrosinase activity was estimated by measuring the oxidation rate of L DOPA. 方法 :酪氨酸酶多巴速率氧化法体外测定药物干预前后酪氨酸酶活性 ,求出酪氨酸酶抑制率。
- Objective To study the inhibitory effect of Fu-Ke-Zai-Zao Pill on Tyrosinase activity in vitro. 目的研究妇科再造丸对体外酪氨酸酶活性的影响。
- Methods Tyrosinase activity in vitro was measured by the rate of oxidation of L-Dopa. 方法酪氨酸酶多巴速率氧化法测定妇科再造丸对体外酪氨酸酶活性的抑制率。
- Interferes tyrosinase activity by multiple ways; protease included to accelerate spot/keratin removing, rapidly making the complexion bright and flaws eliminated. 利用多种方式干扰酪氨酸酵素活性;内含的蛋白质分解酵素能加速斑点、角质去除,使肤色迅速变得明亮、瑕疵净化。
- Results The recipe has a strong potential to promote the proliferation, tyrosinase activity and melanin content of hum... 结论本方能促进黑素细胞黑素合成,这可能是其治疗白癜风的作用机理之一。
- Results The levels of tyrosinase activity in the acidum vitamin A group were significantly greater than those of the control group (P<0.01). 结果维甲酸组酪氨酸酶活性较对照组显著增高(P<0.;01)。
- Prevent the activity of the tyrosinase effectively, fade away the melanin, improve the ability of restrain tyrosinase activity, make skin soft and white. 高效阻断酪氨酸酶的活性,消褪黑色素,提高细胞自身抑制酪氨酸酶活性的能力,令肌肤细腻嫩白。调节皮肤基质中透明质酸含量,维持皮肤中水分和电解质的正常代谢过程,改善萎缩细胞的缺水状态。
- At last, we use the constructed pigmented skin equivalent to detect the effect of the depigmenting agents on the cells’ shape, tyrosinase activity and formation of melanin. 构建角质形成细胞与黑素细胞直接接触的混合培养模型,检测退色剂对黑素细胞酪氨酸酶活性以及黑素合成的影响;
- Um S J,Park M S,Park S H,et al.Synthesis of new Glycyrrhetinic Acid (GA) derivatives and their effects on tyrosinase activity[J].Bioorganic and Medicinal Chemistry,2003,11:5345. 杨文远;熊楚明;张金国.;反相高效液相色谱法测定甘草中甘草次酸含量[J]
- Objective To investigate the effect of traditional Chinese medicine(TCM) on tyrosinase activity and provide experimental evidence for treating melasma. 目的研究中药对酪氨酸酶活性的影响,筛选有治疗作用的中药方剂,为应用中药治疗色素障碍性皮肤病提供实验依据。
- Contain liquorice extract, remove speckle, restrain tyrosinase activity, block away melanin during tranformation to speckle, prevent pigmentation, control free radical, enhance skin elasticity, postpone skin aging. 甘草萃取精华,具有去斑功效的天然成份,有助于黑色素转化成色斑的过程中发挥功效,舒缓色素加深、沉淀及黑色素的形成,增加肌肤弹性,延缓衰老。
- Histochemical staining showed that tyrosinase activity was present only in the PON skin but not in the AOA skin, and the white skin of blind side of albino (termed WBA skin) and normal turbot (termed WBN skin). 组织化学染色显示:酪氨酸酶的活性只出现在大菱醉PON皮肤中,而AOA、WBN、WBA三种皮肤中都没有酪氨酸酶活性。 在PON皮肤中发现了大量的黑色素细胞,而AOA、WBA、WBN中没有黑色细胞。
- Methods Tyrosinase activity was estimated by measuring the oxidation rate of DL dopa. The inhibitory pattern of each monomers was determined according to their Lineweaver Burk curve as compared to controls. 方法酪氨酸酶多巴速率氧化法体外测定药物干预前后酪氨酸酶活性,求出酪氨酸酶抑制率,并分别作出相应Lineweaver-Burk曲线,推断其抑制类型。
- In our trial, aloesin have a good suppression effect on the tyrosinase activity and formation of melanin, but have a much lower toxicity, which can be used as a safe depigmenting agent. 实验中芦荟苦素所表现出的对酪氨酸酶和黑素的合成有较强的抑制作用及对细胞较低的毒性作用,有希望成为一种比较安全的退色剂。
- Um S J, Park M S, Park S H, et al. Synthesis of new Glycyrrhetinic Acid (GA) derivatives and their effects on tyrosinase activity [J]. Bioorganic and Medicinal Chemistry, 2003,11 : 5345. 杨文远熊楚明张金国.;反相高效液相色谱法测定甘草中甘草次酸含量[J]
- It was indicated that psoralen had an obvious activation on tyrosinase activity and synergistic effect was significant,but the relationship with concentration was nonlinear. 结果表明,补骨脂素对酪氨酸酶有明显的激活作用,但是不随浓度的增加呈线性变化,与助剂复配的协同效应显著。
- Methods The deoction for soothing liver and activating blood was incubated with B16 melanoma cells in vivo at serial concentrations, and then melanin content and tyrosinase activity we... 结论疏肝活血中药复方可直接作用于黑素细胞,抑制细胞黑素合成,但无细胞毒作用,可用于治疗黄褐斑。
- The Inhibitory Effect of Vanillic Acid on Tyrosinase Activity 香草酸对酪氨酸酶催化活性的抑制作用