You better feel guilty now when you visit the beach next time for summer fun! (Caution: Satire)
Again, the Royal Society spreads propaganda and demagoguery! This whole article is highly dubious!
Please also notice the slight of hand used by the scientists from Stanford University!
"[oxybenzone] is a naturally occurring chemical found in various flowering plants as well as being an organic component of many sunscreen lotions." (Source)
"Scientists have revealed how the sunscreen compound oxybenzone kills corals and other marine invertebrates: under UV light, the animals convert the normally benign compound into a potent phototoxin. ...
This is why Hawaii, Palau as well as some other regions have banned oxybenzone-containing sunscreens. ...
This is why Hawaii, Palau as well as some other regions have banned oxybenzone-containing sunscreens. ...
A research team from Stanford University, US, has now uncovered how the compound exerts its toxic effects. The team was surprised to find that UV light is a key ingredient in making oxybenzone toxic. Sea anemones exposed to oxybenzone and UV light died quickly, whereas those that weren’t exposed to UV survived identical oxybenzone doses. It turns out that the animals – using a metabolic pathway intended to remove contaminants – convert the compound into oxybenzone–glucoside, oxy-malonyl-glucoside and other conjugates.
The researchers couldn’t measure the conjugates’ phototoxicity directly because their high water-solubility made it difficult to introduce them into the animals. Instead, the team used a model compound, an oxybenzone whose hydroxyl had been replaced by a methoxy group. ...Under UV light, the model compound killed sea anemones three times faster than a 10-fold higher amount of oxybenzone."
No comments:
Post a Comment