Strong taste (4)
I believe the answer is:
tang
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">strong taste</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tang that I've seen before include "characteristic quality" , "Piquancy - Chinese dynasty" , "Strong, pungent taste" , "Bite" , "Thrash with good" .)