Yerba Mate got me through university. It was such integral part of that time of my life that even now more than a decade later I still meet people who remember me as the strange tea pipe guy (I used a traditional gourd and metal bombilla). However I stopped drinking it once it got known to me that it might have cancer causing properties. Scanning the article I can see there have been direct connections made via PAH c…
There is a Yerba Mate cold brew called Tereré[1], is very common in some countries of South America. Even more than the hot version in some places. I myself had it many times, sometimes mixed with lime juice, and even mixed with vodka [1]: https://en.wikipedia.org/wiki/Terer%C3%A9
I can get the Yerba Mate leaf, but the cold brew I would need to make my self.
I was rather trying to see if there was any literature out there on if cold brewing limits or eliminates the PAH extraction.