After experimenting with a number of flavors including grapefruit and sour plum, they discovered that the addition of barley root to sarsparilla created a pleasing flavor.
他們試著在沙士中添加葡萄柚、酸梅、仙草…… 等配方，總覺得味道不對；後來發現在美國流行的麥根香，如與沙士混合，會產生一種特有的風味，於是選定麥根為配方，進口香料製造。