熊果素:修订间差异
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小无编辑摘要 |
小 回退Arutnevking(对话)的编辑,改回Leiem的最后一个版本 |
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{{chemref|time=2011-08-06T09:02:51+00:00}} |
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{{Chembox |
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| ImageFile = Arbutin structure.png |
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| ImageSize = 200px |
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| IUPACName = (''2R,3S,4S,5R,6S'')-2-Hydroxymethyl-6-(4-hydroxyphenoxy)oxane-3,4,5-triol |
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| OtherNames = Arbutoside<br />Hydroquinone β-D-glucopyranoside |
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| Section1 = {{Chembox Identifiers |
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| CASNo = 497-76-7 |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| Abbreviations = |
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| EINECS = |
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| PubChem = 440936 |
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| SMILES = C1=CC(=CC=C1O)O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O)O)O |
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| InChI = |
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| ChEBI = |
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| KEGG = |
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| ATCCode_prefix = |
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| ATC_Supplemental = | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}| ChemSpiderID = 389765 |
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| ChEMBL_Ref = {{ebicite|changed|EBI}}| ChEMBL = 232202 |
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| UNII_Ref = {{fdacite|correct|FDA}}| UNII = C5INA23HXF |
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| InChIKey = BJRNKVDFDLYUGJ-RMPHRYRLBW |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}}| StdInChI = 1S/C12H16O7/c13-5-8-9(15)10(16)11(17)12(19-8)18-7-3-1-6(14)2-4-7/h1-4,8-17H,5H2/t8-,9-,10+,11-,12-/m1/s1 |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}| StdInChIKey = BJRNKVDFDLYUGJ-RMPHRYRLSA-N |
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| ChEBI_Ref = {{ebicite|changed|EBI}}| KEGG_Ref = {{keggcite|correct|kegg}} |
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}} |
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| Section2 = {{Chembox Properties |
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| Formula = C<sub>12</sub>H<sub>16</sub>O<sub>7</sub> |
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| MolarMass = 272.251 |
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| Appearance = |
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| Density = |
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| MeltingPtC = 199.5 |
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| Section7 = {{Chembox Hazards |
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| FlashPt = |
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| PEL = }} |
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}} |
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[[Category:天然酚类葡糖苷]] |
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[[en:Arbutin]] |
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[[de:Arbutin]] |
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[[ja:アルブチン]] |
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[[ru:Арбутин]] |
2023年10月9日 (一) 06:56的最新版本
此條目缺少或没有列出参考或来源,或者有未能查证的内容。 (2011年8月6日) |
熊果素 | |
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IUPAC名 (2R,3S,4S,5R,6S)-2-Hydroxymethyl-6-(4-hydroxyphenoxy)oxane-3,4,5-triol | |
别名 | Arbutoside Hydroquinone β-D-glucopyranoside |
识别 | |
CAS号 | 497-76-7 |
PubChem | 440936 |
ChemSpider | 389765 |
SMILES |
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InChIKey | BJRNKVDFDLYUGJ-RMPHRYRLBW |
性质 | |
化学式 | C12H16O7 |
摩尔质量 | 272.251 g·mol⁻¹ |
熔点 | 199.5 °C(473 K) |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
熊果素(Arbutin,C12H16O7),亦作熊果苷,是一種由杜鵑花科植物熊果葉中萃取出的成份,在梨、小麥等植物中也有發現,因為能抑制酪氨酸酶(tyrosinase)的活性,進而阻礙黑色素的形成,對美白頗具功效,因而被用於化粧及保養品中。熊果素也有利尿與尿路殺菌的功用,所以也被用於尿路消毒藥中。
熊果素有α和β兩型,α型對酪氨酸酶活性的抑制力比β型強約10倍。雖然熊果素具有美白功效,但用量不當反而可能促進黑色素的生成。
中華民國衛生署於2001年6月5日公告美白用的熊果素添加限量為7%。