A synthetic analogue refers to a man-made substance that has similar properties or functions as a natural or original substance. It is artificially created to mimic a natural product, often used as a substitute. Full definition
In the 1940s, researchers showed that menadione and related compounds inhibited the bacterial production of acids in isolated saliva.47 Menadione itself is a toxic synthetic analogue of vitamin K, but animal tissues are able to convert a portion of it to vitamin K2. (westonaprice.org)
Although the phenomena have been understood in broad outline, the details turn out to be complex and the challenges in creating synthetic analogues have been significant. (sciencedaily.com)
BHT and BHA are synthetic analogues of vitamin E and are listed under the Generally Recognized as Safe (GRAS) by the FDA. (professorshouse.com)