The presence of Catechol-1,2-dioxygenase (C12D) or Catechol-2,3-dioxygenase (C23D) was detected by the formation of products cis-cis muconic
acid and 2-hydroxymuconic semialdehyde (2-HMS) at 260 nm and 375 nm, respectively (Santos and Linardi, 2004).
6) catechol (m/z 110) and muconic
acid (m/z 142) indicating the ortho ring cleavage pathway of BTEX.
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Acid Market 2015-2019" on their comprehensive research portal.
Myriant is also targeting acrylic acid, as well as lactic acid, muconic
acid, and fumaric acid.
1999 Vinylidene chloride CDC 2009 (1,1-dichloroethene) Abbreviations: Hb, hemoglobin; HEMA, 2-hydroxyethyl mercapturic acid; MA, muconic
acid; NA, not applicable; PFOA, perfluorooctanoic acid.
Building on our success with bio-succinic acid, Myriant is continuing to expand its product portfolio, including the development and scale-up of new bio-based chemicals like acrylic acid and muconic
acid, basic building blocks used to make many every day products.
26) Draths, which was sold to Amyris, also described an ethylene Diels Alder route with muconic
acid to terephthalic acid.
It is well known that the ozone oxidization treatment cleaves the aromatic ring of lignin and generates the muconic
acid derivative, which has the muconic
acid residue with carboxyl groups on both ends of the conjugate double bond.
Melikian AA, Prahalad AK, Hoffman D (1993) Trans,trans- muconic
acid as na indicator of exposure to benzene in cigarette smokers.
Activity of catechol 1,2 dioxygenase and catechol 2,3 dioxygenase were done by detecting the formation of key intermediates of degradation pathway such as cis,cis muconic
acid and 2-hydroxy muconic
semialdehyde at 260 and 375 nm at 25[degrees]C.
It has been reported that the greenish yellow colour was due to the formation of 2-hydroxy muconic
acid semialdehyde, an intermediate of the meta cleavage pathway of phenol degradation (Wang, 1997) as shown in Figure 5a.
In the presence of dioxygen, the complex has been found by GC/MS to cleave the catechols to the corresponding muconic