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Merck
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文件

261556

Sigma-Aldrich

（L）-脱氢抗坏血酸

别名:

L-苏-脱氢抗坏血酸

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About This Item

经验公式（希尔记法）:
C6H6O6
CAS号:
490-83-5
分子量:
174.11
EC號碼:
207-720-6
MDL號碼:
MFCD00066467
分類程式碼代碼:
12352205
PubChem物質ID:
24855820
NACRES:
NA.22

形狀

powder

mp

228 °C (dec.) (lit.)

儲存溫度

−20°C

SMILES 字串

OC[C@H](O)[C@H]1OC(=O)C(=O)C1=O

InChI

1S/C6H6O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-8H,1H2/t2-,5+/m0/s1

InChI 密鑰

SBJKKFFYIZUCET-JLAZNSOCSA-N

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一般說明

(L)-脱氢抗坏血酸(DHA)是一种强效糖化剂，由抗坏血酸（维生素）氧化制得。体外研究表明，对于晶状体蛋白糖化反应，DHA的活性远超葡萄糖和果糖。因此，DHA是晚期糖化终产物(AGE)体内形成的关键前体。
DHA的固体为二聚体形式，在溶液中又呈单体形式。

應用

(L)-脱氢抗坏血酸可作为起始原料用于：
  • 与2-甲羟基吲哚反应合成吡喃并[3,4-b]吲哚衍生物。
  • 与间苯三酚通过立体选择性C-C键形成反应合成(−)-抗坏血酸间苯三酚。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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Els Vossen et al.
Meat science, 91(1), 29-35 (2012-01-10)
The effect of sodium ascorbate (SA; 500, 750, 1000 mg/kg) and sodium nitrite (SN; 40, 80, 120 mg/kg) doses on the shelf-life stability of liver pâtés was investigated in a full factorial design. Clear dose-dependent responses of the added SN
Oliver Reihl et al.
Carbohydrate research, 339(3), 483-491 (2004-03-12)
Covalently cross-linked proteins are among the major modifications caused by the advanced Maillard reaction. So far, the chemical nature of these aggregates is largely unknown. L-dehydroascorbic acid (DHA, 5), the oxidation product of L-ascorbic acid (vitamin C), is known as
A biomimetic synthesis of (-)-ascorbyl phloroglucinol and studies toward the construction of ascorbyl-modified catechin natural products and analogues
Belapure SA, et al.
Tetrahedron, 67(48), 9265-9272 (2011)
A Wesley Burks et al.
Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology, 26(4), 316-322 (2015-04-08)
Children with cow's milk allergy (CMA) are at risk for inadequate nutritional intake and growth. Dietary management of CMA, therefore, requires diets that are not only hypoallergenic but also support adequate growth in this population. This study assessed growth of
Jens Lykkesfeldt
Nutrition research (New York, N.Y.), 32(1), 66-69 (2012-01-21)
Ascorbate and dehydroascorbic acid are frequently used as biomarkers of oxidative stress, but their lack of stability ex vivo and rapid postsampling interconversion continue to result in erroneous reference values. One problem is the large variety of vacutainer devices used
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