Recent Examples on the WebFor many shoppers, seeing rosemary extract on the package is preferable to seeing the preservatives butylated hydroxytoluene (BHT) or butylated hydroxyanisole (BHA). Darlene Zimmerman, Detroit Free Press, 27 June 2021 Depending on your views, that may include synthetic preservatives such as tertiary butylhydroquinone (TBHQ) or butylated hydroxytoluene (BHT), which pet food companies add so the food doesn’t spoil. Karen Asp, Good Housekeeping, 2 Oct. 2017