Immunoreactive (TRH) has been detected in acid and methanol extracts of hepatopancreas, in grass shrimp (black tiger prawn, Penaeus monodon).

• 摘要本研究以放射免疫法测得草虾肝胰脏之盐酸或甲醇萃取物中，含有类似甲释素之免疫活性。