Laccase
Description References- Product Name
- Laccase
- CAS No.
- 80498-15-3
- Chemical Name
- Laccase
- Synonyms
- laccase enzyMe;Denilase ii s;LACCASE T;Native Aspergillus sp. Laccase;laccase from trametes versicolor;LACC;qimei;Sp 504;LACCASE;LACCASE AB
- CBNumber
- CB4770330
- Molecular Formula
- C9H13NO
- Formula Weight
- 151.20562
- MOL File
- 80498-15-3.mol
Laccase Property
- Density
- 1.37[at 20℃]
- vapor pressure
- 0.004Pa at 25℃
- storage temp.
- 2-8°C
- form
- powder
- color
- slightly beige
- Water Solubility
- 100g/L at 25℃
- LogP
- -1.3 at 20℃
- EPA Substance Registry System
- Laccase (80498-15-3)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 42
- Safety Statements
- 23-45-24/25
- WGK Germany
- 1
- HS Code
- 35079090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P284Wear respiratory protection.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- L2157
- Product name
- Laccase from Rhus vernicifera
- Purity
- crude acetone powder, ≥50?units/mg solid
- Packaging
- 10000units
- Price
- $193
- Updated
- 2024/03/01
- Product number
- 38429
- Product name
- Laccase from Trametes versicolor
- Purity
- powder, light brown, ≥0.5 U/mg
- Packaging
- 1g
- Price
- $147
- Updated
- 2024/03/01
- Product number
- 38429
- Product name
- Laccase from Trametes versicolor
- Purity
- powder, light brown, ≥0.5 U/mg
- Packaging
- 10g
- Price
- $920
- Updated
- 2024/03/01
- Product number
- SAE0050
- Product name
- Laccase from Trametes versicolor
- Packaging
- 50ml
- Price
- $106
- Updated
- 2024/03/01
- Product number
- SAE0050
- Product name
- Laccase from Trametes versicolor
- Packaging
- 250ml
- Price
- $298
- Updated
- 2024/03/01
Laccase Chemical Properties,Usage,Production
Description
Laccase is a kind of copper-containing oxidase existing in many kinds of plants, fungi and microbes. It mainly takes effect on phenol-like compounds including phenols, polyphenols and anilines, performing one-electron oxidation. It is capable of catalyzing the ring cleavage reaction of aromatic compounds. In industry, laccase can be paired with an electron mediator to facilitate electron transfer to a solid electrode wire. It can also be applied to textile dyeing/textile finishing, wine cork making, teeth whitening with many other industrial, environmental, diagnostic, and synthetic uses. In food industry, laccase can be used to remove the polyphenols as well as oxygen that remain in the beer to increase the storage life of beer. Laccase can also be used in fruit juices to delay the oxidation of polyphenols and stabilize the juice.
References
https://en.wikipedia.org/wiki/Laccase
http://172.16.24.174/digital.csic.es/bitstream/10261/9595/1/postprint_laccase_patent_review.pdf
Uses
Laccase from Trametes versicolor has been used:
- to assess the use of four laccase-producing strains in waste water treatment
- in laccase assay
- in screening the lignols
Uses
Laccase is polyphenol oxidase found in many plants, fungi and microorganisms. Laccases may be useful in enzymatic biofuel systems, teeth whitening, textile dyeing, and in other applications that require the removal of oxygen .
Uses
Laccases are multicopper-oxidases (benzenediol:oxygen oxidoreductase, EC
1.10.3.2) that are able to oxidize phenolic substrates (e.g. 2,6-dimethoxy-phenol),
aromatic amines (e.g. 1-hydroxybenzotriazole), or polycyclic aromatic hydrocarbons
(e.g. anthracene) . The oxidation of the substrate occurs via a oneelectron
reduction and is accompanied by a reduction of molecular oxygen to
water.
Most laccases are of fungal origin, but they also occur in bacteria, insects,
and plants. Due to the broad substrate range of laccases, their possible
industrial usage is widespread. Nevertheless, only few applications have been
commercialized up to now, mostly in the textile industry. In the food and feed
sector, laccases have been evaluated for different applications, such as the stabilization
of beverages, the reduction of off-flavors, the improvement of wheat
dough, and the usage of laccases as biosensors in the food processing industry.
Off-flavors in wine may occur due to microbial conversion of phenolic compounds
present in the wine itself or in the cork stoppers. In a commercial product
from Novozymes called Suberase, laccase is used for polymerization of phenolic
compounds in the cork, which act as precursors for malodors, such as pentachlorophenol
or 2,4,6-trichloroanisol.
In apple juice, addition of laccase reduced the amount of the phenolic offflavors
2,6-dibromophenol, guaiacol, and a-terpineol. Several studies used
laccases to increase the stability of apple juices by polymerization of phenols and
their subsequent removal by ultrafiltration methods. A positive side effect is
the decrease of molecular oxygen in the juice due to its consumption by laccases.
Nevertheless, desired phenols might also be oxidized; thus, the sensory attributes
and nutritional value might be altered.
The polymerization reactions catalyzed by laccases can also be used to improve
the shade of food, such as the coloration of tea-based products. In the bakery industry, laccase might be used together with proteases or xylanases to improve
the dough quality. It was proposed that laccases oxidize ferulic acid attached to the
arabinoxylan present in cereal flour. The obtained phenolic radicals can undergo a
nonenzymatic reaction, resulting in cross-linked feruloylated arabinoxylans.
In oat flour-based bread, the usage of laccase increased the loaf-specific volume
and decreased the crumb hardness. Contradictory, in another study, laccase
alone decreased the specific volume and increased the crumb hardness. A
combined usage of laccase with xylanase improved again the oat flour bread
properties.
General Description
Laccase EC 1.10.3.2, a glycoprotein, is an extracellular multicopper enzyme and is considered as a metal. Laccase is widely distributed in fungi and also found among the higher plants, bacteria and insects.
Flammability and Explosibility
Not classified
Biochem/physiol Actions
Laccase oxidizes aromatic and nonaromatic compounds. Various compounds are used for detecting laccase production. These include guaiacol, syringaldazine and polymeric dyes like remazol brilliant blue-R. Laccase is involved in lignin degradation and thereby has industrial as well as food applications. Laccase is commonly used for delignification, dye bleaching, paper processing, waste detoxification, textile dye transformation, plant fiber modification and ethanol production.
Biotechnological Applications
Lee et al. isolated and identified an extracellular laccase-producing strain of Y. lipolytica from soil. Extracellular laccase (YlLac) was purified by anionexchange and gel filtration chromatography. YlLac is a monomeric glycoprotein with 14 % carbohydrate content and a molecular weight of 67 kDa. It showed a higher catalytic efficiency toward 2,20-Azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) (kcat/Km = 19.3 s-1 lM-1) and 2,6-dimethoxyphenol (kcat/Km = 13 s-1 lM-1) than any other reported laccases. This enzyme was able to oxidize phenolic compounds of pretreated rice straw. The use of YlLac for the removal of cellulase inhibitory compounds from biomass slurries is a promising approach for improving the efficiency of biorefineries (Lee et al. 2012).
Laccase Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Laccase manufacturers
- Product
- Laccase 80498-15-3
- Price
- US $0.00-0.00/Kg
- Min. Order
- 1Kg
- Purity
- 99.9%
- Supply Ability
- 200tons
- Release date
- 2024-04-07
- Product
- Laccase 80498-15-3
- Price
- US $40.00-40.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 10 tons
- Release date
- 2023-09-26
- Product
- Laccase 80498-15-3
- Price
- US $0.00/g
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 500kg/month
- Release date
- 2021-08-20