First came the news that Groupon China's marketing director resigned even before the company got really started. A suspicious timing to leave a business in my opinion. Then came the Superbowl Groupon ad that was very politically insensitive, to say it mildly.
53 6 CONCLUSIONS ON THE SVHC PROPERTIES 6.1 PBT, vPvB assessment Not assessed for the identification of this substance as SVHC in accordance with Article 57(f). 6.2 CMR assessment Not assessed for the identification of this substance as SVHC in accordance with Article 57(f).ue to the even slower degradation of 4-nonylphenol compared to 4-NP1-2EO (DegT50 46.2 days (primary degradation) to no elimination after 703 day in anaerobic freshwater sediment-depending on linear or branched isomers), it can be assumed that the formation of 4-nonylphenol exceeds its degradation.
Polyphenols (noun, pronunciation of the singular /pÉli'finÉl/ or /pÉli'fÉnÉl/, also known as polyhydroxyphenols) are a structural class of mainly natural, but also synthetic or semisynthetic, organic chemicals characterized by the presence of large multiples of phenol structural units.olyphenol oxidase (PPO) is an enzyme that catalyses the oxidation of o-diphenols to produce o-quinones. It is the rapid polymerisation of o-quinones to produce black, brown or red polyphenolic pigments that is the cause of fruit browning.