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D-木糖

D-木糖用途

D-(+)-木糖 (Xylose) 是一种天然化合物,经木糖异构酶催化形成木酮糖,这是木糖无氧乙醇发酵的关键步骤。

D-木糖名称

[ CAS 号 ]:
58-86-6

[ 中文名 ]:
D-(+)-木糖

[ 英文名 ]:
D-(+)-Xylose

[中文别名 ]:

[英文别名 ]:

(D)-Xylose
D(+)-Xylose
D-Xyluose
aldehydo-D-xylose
d-xylos
XYLOSE,CP
(2R,3S,4R)-2,3,4,5-Tetrahydroxypentanal
D-(+)-Xylose
Xylomed
WOOD SUGAR

D-木糖生物活性

[ 描述 ]:

D-(+)-木糖 (Xylose) 是一种天然化合物,经木糖异构酶催化形成木酮糖,这是木糖无氧乙醇发酵的关键步骤。

[ 相关类别 ]:

研究领域 >> 其他

天然产物 >> 糖和糖苷

[ 靶点 ]

Human Endogenous Metabolite

[参考文献]

[1]. Wang XX, et al. The implementation of high fermentative 2,3-butanediol production from xylose by simultaneous additions of yeast extract, Na2EDTA, and acetic acid. N Biotechnol. 2015 Aug 3.

[2]. Bingyin Peng, et al. Bacterial xylose isomerases from the mammal gut Bacteroidetes cluster function in Saccharomyces cerevisiae for effective xylose fermentation. Microbial Cell FactoriesMay, 2015, 14:70.

[3]. Pengfei Li, et al. Construction of efficient xylose utilizing Pichia pastoris for industrial enzyme production. Microbial Cell FactoriesFebruary 2015, 14:22.

[相关活性小分子]

D-木糖物理化学性质

[ 密度 ]:
1.5±0.1 g/cm3

[ 沸点 ]:
415.5±38.0 °C at 760 mmHg

[ 熔点 ]:
148-158 ºC

[ 分子式 ]:
C₅H₁₀O₅

[ 分子量 ]:
150.130

[ 闪点 ]:
219.2±23.3 °C

[ 精确质量 ]:
150.052826

[ PSA ]:
90.15000

[ LogP ]:
-2.39

[ 外观性状 ]:
单斜针状或棱柱

[ 蒸汽压 ]:
0.0±2.2 mmHg at 25°C

[ 折射率 ]:
1.544

[ 储存条件 ]:
室温

[ 水溶解性 ]:
soluble

D-木糖MSDS

D-木糖毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ZF2285000

CHEMICAL NAME :: Xylose, D-

CAS REGISTRY NUMBER :: 58-86-6

BEILSTEIN REFERENCE NO. :: 1562108

LAST UPDATED :: 199709

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C5-H10-O5

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 23 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 32,1367,1981

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 11300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 32,1367,1981 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5529 No. of Facilities: 352 (estimated) No. of Industries: 2 No. of Occupations: 9 No. of Employees: 13248 (estimated) No. of Female Employees: 11594 (estimated)

D-木糖安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
36/37/38

[ 安全声明 (欧洲) ]:
24/25-36-26

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
2

[ RTECS号 ]:
ZF2285000

[ 海关编码 ]:
2940000000

D-木糖合成路线

D-木糖上下游产品

D-木糖上游产品

D-木糖下游产品

D-木糖制备

将玉米芯放入稀硫酸中进行水解，用氢氧化钡中和，过滤、浓缩、脱色，通过离子交换柱后再浓缩，然后倒入无水乙醇中结晶，过滤，即得纯品。反应式如下：

通常的制备方法有中和法、离子交换脱酸法、电渗析脱酸法、结晶法、连续水解层析分离法等。其中中和法与离子交换脱酸法是成熟的工艺路线。

1.中和法

2.离子交换脱酸法

D-木糖海关

[ 海关编码 ]: 2940000000

D-木糖文献

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Proc. Natl. Acad. Sci. U. S. A. 112(16) , 4964-9, (2015)

The use of hydrogen (H2) as a fuel offers enhanced energy conversion efficiency and tremendous potential to decrease greenhouse gas emissions, but producing it in a distributed, carbon-neutral, low-co...

Rehmannia glutinosa (Gaertn.) DC. polysaccharide ameliorates hyperglycemia, hyperlipemia and vascular inflammation in streptozotocin-induced diabetic mice.

J. Ethnopharmacol. 164 , 229-38, (2015)

Rehmannia glutinosa (Gaertn.) DC. (RG) has been widely used as traditional Chinese herbal medicine for treatment of diabetes and its complications. The polysaccharide fraction of RG has been proposed ...

L-citrulline production by metabolically engineered Corynebacterium glutamicum from glucose and alternative carbon sources.

AMB Express 4 , 85, (2015)

L-citrulline plays an important role in human health and nutrition and is an intermediate of the L-arginine biosynthetic pathway. L-citrulline is a by-product of L-arginine production by Corynebacteri...

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