Widyastuti, Edo Primagara
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引用次数: 0

摘要

由于黑色素的数量不同,抽象的人有不同的肤色。黑素的形成是由酶、激素、氧气、矿物质和紫外线引起的。过多的黑色素会导致色素紊乱,损害皮肤的外观。使用合成色素使皮肤变白可能对皮肤有害。由于对皮肤有害的化学物质的影响,对天然色素的研究继续进行。草莓果实是一种抗氧化剂。这项研究试图通过分光计测试新鲜草莓乙醇乙醇提取物的vitro和甲状腺素抑制剂。根据所进行的研究,草莓果乙醇提取物含有类黄醇、一种酚类化合物和一种苯酚。在1mg/mL提取物中,总表型化合物含量为1755毫克/100克,抗氧化剂容量为6.23%。在0.6 mg/mL的浓度下,SPF的值超过15,即26.853。螺旋藻的抑制活性蛋白质,获得价值高达662.096μg / mL。草莓果乙醇提取物具有防晒剂和酪氨酸抑制剂的潜力。不奴役人类有不同的肤色和不同的黑色素。酶形成的过程被归咎于酶、激素、氧、矿物和紫外线。除了黑色素之外,黑色素会引起无法穿透皮肤的色素沉着。使用合成的亮片可以伤害你的皮肤。皮肤研究揭示了从本质中提取的化学物质的副作用,因为这些化学物质对皮肤有害。草莓水果是抗氧化剂。这项研究尝试测试来自乙醇的新鲜草莓萃取体外的太阳切变和tyrosinase抑制剂。研究表明,浆果提取的乙醇能代谢亚麻、苯酚化合物和檀香。在extract concention of 1 mg/ml的排版中,总phenolic compound of 1755 mg GAE/100 extract and antioxicapacity of 6.23%。草莓extract的价值超过15分在0.6 mg/ml extract是26,853。《tyrosinase enzyme inhibitory活动of螺旋藻草莓获得了价值观的乙醇extract of 662096μg / ml。草莓果实的乙醇具有防晒剂和tyrosin酶抑制剂的潜力。
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EKSTRAK ETANOL BUAH STROBERI (Fragaria x ananassa Duchesne ex Rozier) SEBAGAI INHIBITOR TYROSINASE
ABSTRAK Manusia mempunyai warna kulit yang berbeda akibat perbedaan jumlah melanin. Proses pembentukan melanin terjadi akibat sejumlah enzim, hormon, oksigen, mineral, serta sinar ultraviolet. Kelebihan jumlah melanin dapat menyebabkan terjadinya hiperpigmentasi yang dapat merusak penampilan dari kulit. Penggunaaan bahan pencerah kulit sintetis dapat membahayakan kulit. Penelitian bahan-bahan pencerah kulit dari alam terus dilakukan karena efek samping bahan kimia yang berbahaya bagi kulit. Buah stroberi merupakan suatu antioksidan. Penelitian ini mencoba menguji aktivitas tabir surya dan inhibitor tirosinase secara in vitro dari ekstrak etanol buah stroberi segar dengan menggunakan metode spektrofotometer. Dari penelitian yang dilakukan menunjukkan bahwa ekstrak etanol buah stroberi mengandung metabolit sekunder flavonoid, senyawa fenolik dan saponin. Pada konsentrasi ekstrak 1mg/mL diperoleh kandungan senyawa fenolik total 1755 mg GAE/100 gram ekstrak dengan kapasitas antioksidan sebesar 6,23%. Pada konsentrasi ekstrak 0,6 mg/mL telah didapatkan nilai SPF lebih dari 15 yaitu 26,853. Aktivitas inhibisi tirosinase diperoleh nilai IC50 sebesar 662,096 μg/mL. Ekstrak etanol buah stroberi memiliki potensi sebagai tabir surya dan inhibitor  tirosinase.. ABSTRACT Humans have different skin colors due to different amounts of melanin. The process of melanin formation occurs due to a number of enzymes, hormones, oxygen, minerals, and ultraviolet light. Excess amount of melanin can cause hyperpigmentation which can impair the appearance of the skin. Using synthetic leather brighteners can harm your skin. Research on skin lightening ingredients from nature continued because of the side effects of chemicals that are harmful to the skin. Strawberry fruit is an antioxidant. This study tried to test the activity of sunscreens and tyrosinase inhibitors in vitro from ethanol extracts of fresh strawberries. Research shows that ethanol extracts of strawberries contain secondary metabolites of flavonoids, phenolic compounds, and saponins. In the extract concentration of 1 mg/ml obtained a total phenolic compound of 1755 mg GAE/100 g extract and antioxidant capacity of 6.23%. SPF value of strawberry extract of more than 15 found at a concentration of 0.6 mg/ml extract was 26.853. The tyrosinase enzyme inhibitory activity of ethanol extract of strawberries obtained IC50 values of 662.096 μg/ml. Ethanol extract of strawberry fruit has the potential as a sunscreen and tyrosinase inhibitor. 
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