> In the area around Puget Sound, the University of Washington team found, the spicy residues that remain in wastewater end up flowing into the sound's inland waterways.
> Of all the flavors trickling downstream, artificial vanilla dominates the sound, Keil said. For instance, the team found an average of about six milligrams of artificial vanilla per liter of water sampled.
> The region's sewage runoff contains more than 14 milligrams of vanilla per liter. This would be like spiking an Olympic-size swimming pool with approximately ten 4-ounce (113.4-gram) bottles of artificial vanilla.
I see that some artificial vanillin is made from lignin, but I don't know whether natural wood decomposition creates vanillin. Do you have a reference for that?
> Of all the flavors trickling downstream, artificial vanilla dominates the sound, Keil said. For instance, the team found an average of about six milligrams of artificial vanilla per liter of water sampled.
> The region's sewage runoff contains more than 14 milligrams of vanilla per liter. This would be like spiking an Olympic-size swimming pool with approximately ten 4-ounce (113.4-gram) bottles of artificial vanilla.
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