Control of tyrosinase activity.
酪氨酸酶活性的调节。
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。
Results Three dose groups all had inhibitory effect on tyrosinase activity, especially in high dose group (41%).
结果妇科再造丸各剂量组均能抑制体外酪氨酸酶活性，其中妇科再造丸高剂量组抑制率达到41%。
The influence of azelaic acid on melanin synthesis and tyrosinase activity of human melanocytes and murine B16 melanoma cells were studied.
测定壬二酸对人表皮黑素细胞和鼠黑色素瘤B16细胞酪氨酸酶活性及黑素含量变化观察壬二酸的脱色素作用。
The melanin synthesis and tyrosinase activity of human epidermal cells and murine B16 melanoma cells were inhibited by Azelaic acid in a dose-dependent manner.
壬二酸抑制人表皮黑素细胞和鼠黑素瘤B16细胞的酪氨酸酶活性，细胞黑素合成减少，而且具有浓度依赖性。
ResultsProved recipe Quban soup had the effects of inhibiting the proliferation, and decreasing tyrosinase activity and melanin content of A375 human melanoma cell in vitro.
结果验方祛斑汤对体外培养的A375人黑素瘤细胞具有抑制细胞增殖，降低酪氨酸酶活性和黑素含量作用。
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。
Objective: To investigate the effect of traditional Chinese medicine on tyrosinase activity for the purpose of treating pigmentary disorders of THD skin with reliable experimental evidence.
目的：为了研究中药对酪氨酸酶活性影响，用中药治疗色素障碍性皮肤病提供实验依据。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase in tyrosinase were studied using enzymological kinetic method.
采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶的抑制效应。
The results show that the inhibition of tyrosinase by arbutin is a reversible reaction with remaining enzyme activity.
结果表明，熊果甙对酪氨酸酶活性的抑制作用表现为可逆抑制效应。
Objective to improve sensitivity, specificity and stability of spectrophotometric assay for the dopa oxidase activity of tyrosinase.
目的提高分光光度法检测酪氨酸多巴氧化酶活性(多巴氧化酶)的灵敏度、特异性和稳定性。
At the same time inhibiting the activity of tyrosinase, the skin whitening.
同时抑制酪氨酸酶的活性，美白肌肤。
The impact of nicotinamide on the activity of tyrosinase, as well as the impact on the proliferation rate of human melanocytes, cell cycle kinetics and melanogenesis were studied.
研究了烟酰胺对酪氨酸酶活性、人皮黑素细胞的增殖率、细胞周期动力学和黑素合成的影响。
Ethanol extracts of schisandra, wild ageratum pollen had the stronger inhibitory activity of tyrosinase to oxidize diphenol.
五味子和野藿香花粉醇提物对酪氨酸酶二酚氧化活性有较好的抑制作用。
Objective To observe the effects of"Xiaobai Mixture"on the growth of human melanoma cell line A375, the activity of tyrosinase and the amount of Melanin.
目的观察消白合剂对人A375黑素瘤细胞生长、酪氨酸酶活性及黑素含量的影响。
For the active ingredient of Corydalis, active ingredients with DPPH free radicals scavenging activity and tyrosinase inhibitory activity were studied.
本实验对延胡索成分对DPPH自由基清除活性与酪氨酸酶抑制活性做了初步研究。
The relation between activity evaluation of lightener and its value of inhibitory activity against tyrosinase was discussed.
探讨了酪氨酸酶抑制率与美白效果评价的关系。
The relation between activity evaluation of lightener and the value of inhibitory activity against tyrosinase was discussed.
探讨了美白剂活性评价与酪氨酸酶抑制率高低的关系。
Hydrolysable tannins and myricetin derivatives possessed potent DPPH free radical scavenging activities, and only myricitrin showed weak tyrosinase- inhibiting activity.
结果显示水解单宁和杨梅素衍生物具有较强的自由基清除活性，杨梅苷显示出微弱的酪氨酸酶抑制活性。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase and diphenol oxidase(containing) in tyrosinase were studied using enzymological kinetic method.
采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶和二酚酶活力的抑制效应。
The inhibition effect of 2-hydroxy-4-methoxy-benzaldehyde(HMB)on the activity of monophenolase and diphenolase contained in tyrosinase was studied using enzymological kinetic method.
采用酶学动力学方法研究2-羟基-4-甲氧基苯甲醛（HMB）对酪氨酸酶的单酚酶和二酚酶活力的抑制效应。
The inhibition effect of 2-hydroxy-4-methoxy-benzaldehyde(HMB)on the activity of monophenolase and diphenolase contained in tyrosinase was studied using enzymological kinetic method.
采用酶学动力学方法研究2-羟基-4-甲氧基苯甲醛（HMB）对酪氨酸酶的单酚酶和二酚酶活力的抑制效应。
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