On 2017-09-20, jmcquown > wrote:

> I do think old tenderizers such as Adolphs brand contained baking soda.
> Perhaps for very tough cuts of beef.

<https://www.mccormick.com/lawrys/flavors/adolphs/adolphs-seasoned-meat-tenderizer>

Adolf's currently uses Bromelain, an extract from the pineapple
plant. Papain is another tenderizer, extracted from the papaya
plant. Seems to me, some old tenderizer brand used the papaya
extract, but I forget which. No baking soda.

nb