ASCORBATE OXIDASE
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P302+P352-P305+P351+P338-P362+P364 |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| F | 10-21 |
| HS Code | 35079090 |
ASCORBATE OXIDASE price More Price(7)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | A0157 | Ascorbate Oxidase from Cucurbita sp. lyophilized powder, 1,000-3,000?units/mg protein | 9029-44-1 | 100units | $59.1 | 2024-03-01 | Buy |
| Sigma-Aldrich | A0157 | Ascorbate Oxidase from Cucurbita sp. lyophilized powder, 1,000-3,000?units/mg protein | 9029-44-1 | 250units | $119 | 2024-03-01 | Buy |
| Sigma-Aldrich | A0157 | Ascorbate Oxidase from Cucurbita sp. lyophilized powder, 1,000-3,000?units/mg protein | 9029-44-1 | 1000units | $327 | 2024-03-01 | Buy |
| Sigma-Aldrich | 189724 | Ascorbate Oxidase, Native ascorbate oxidase from | 9029-44-1 | 1000u | $136 | 2024-03-01 | Buy |
| Alfa Aesar | J65782 | Ascorbate oxidase, from Cucurbita sp. | 9029-44-1 | 1kilounit | $60.6 | 2023-06-20 | Buy |
ASCORBATE OXIDASE Chemical Properties,Uses,Production
Description
Ascorbate oxidase (AO) is a cell wall-localized enzyme that uses oxygen to catalyse the oxidation of ascorbate (AA) to the unstable radical monodehydroascorbate (MDHA) which rapidly disproportionates to yield dehydroascorbate (DHA) and AA, and thus contributes to the regulation of the AA redox state.
Ascorbate oxidase is useful for enzymatic determination of ascorbic acid and for eliminating the interference of ascorbic acid in clinical analysis.
Effect of Various Chemicals on Ascorbate oxidase.
Chemical Properties
Appearance : Light blue amorphous powder, lyophilized
Stability : Store at －20℃ (A decrease in activity of ca.20% may occur at 5℃ within 6 months.)
Molecular weight : 132,000, 140,000
Isoelectric point : between 6.0 and 7.8 , 8.2
Michaelis constant : 2.5×10－4M (Ascorbate)
Structure : 8 copper atoms per mol of enzyme
Inhibitors : cyanide, Na2S, diethyldithiocarbamate (Na)
Optimum pH : 5.6
Optimum temperature : approx. 30℃
pH Stability : pH 7.0－10.0 (25℃, 17hr)
Thermal stability : below 40℃ (pH 8.0, 30min)
Substrate specificity : This enzyme oxidizes ascorbic acid and several ascorbic derivatives.
Uses
Biochemical research.
Uses
Ascorbate oxidase, from Cucurbita sp., may be used to study oxidative stress and heat stress response and tolerance. Also used in ascorbic acid assays to study the heat stress response of Arabidopsis and useful for enzymatic determination of ascorbic acid and for eliminating the interference of ascorbic acid in clinical analysis.
Definition
An enzyme found in plant tissue that acts upon ascorbic acid in the presence of oxygen to produce dehydroascorbic acid.
General Description
Ascorbate oxidase is a homodimeric enzyme, which comprises 552 amino acid residues per subunit (zucchini). It corresponds to a molecular mass of 70kDa per subunit. This enzyme is mainly found in plants, fungi and eubacteria.
Biochem/physiol Actions
Ascorbate oxidase (AO) participates in cell growth by regulating reduction/oxidation (redox) of the apoplast. This enzyme can synthesize the oxidative molecule dehydroascorbate acid (DHA) in the apoplast. It is also involved in cell elongation and enlargement development.
ASCORBATE OXIDASE Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21695 | 55 |
| Shanghai Zheyan Biotech Co., Ltd. | 18017610038 | zheyansh@163.com | CHINA | 3620 | 58 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29914 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22968 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 | sales@chemdad.com | China | 39916 | 58 |
| Kindchem(Nanjing)Co.,Ltd | +86-025-025-85281586 +8618651653755 | sales@kindchem.cn | China | 1229 | 58 |
| Creative Enzymes | 1-516-855-7709 | info@creative-enzymes.com | United States | 8748 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23556 | 58 |
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 | 1026@dideu.com | China | 29525 | 58 |
| Wuhan Fortuna Chemical Co., Ltd | +86-27-59207850 +86-13986145403 | info@fortunachem.com | China | 5985 | 58 |
View Lastest Price from ASCORBATE OXIDASE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2021-09-29 | Ascorbate Oxidase
9029-44-1
|
US $0.00-0.00 / g | 1g | 98.0% | 1kg/month | WUHAN FORTUNA CHEMICAL CO., LTD | |
 |
2019-07-06 | ASCORBATE OXIDASE
9029-44-1
|
US $1.00 / kg | 1kg | 95%-99% | 100kg | Career Henan Chemical Co | |
|
|
2019-07-06 | ASCORBATE OXIDASE
9029-44-1
|
US $1.00 / kg | 1kg | 95%-99% | 100kg | Career Henan Chemical Co |
-
- Ascorbate Oxidase
9029-44-1
- US $0.00-0.00 / g
- 98.0%
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- ASCORBATE OXIDASE
9029-44-1
- US $1.00 / kg
- 95%-99%
- Career Henan Chemical Co
-
- ASCORBATE OXIDASE
9029-44-1
- US $1.00 / kg
- 95%-99%
- Career Henan Chemical Co