Can I just remove all the cobweb seed stuck sesame seeds and use the r st of the free flowing sesame seeds that are clean of cobwebs?
It is not recommended to just remove the cobwebs, because the main problem with the sesame is the infestation of the moth larvae. Being that once we know for sure that the sesame is in fact infested, it should not be used since it is very hard to be sure that all the bugs were indeed removed. ( Besides you might be all that appetized by it.)
Bedikas Hamazon K’hilchoso pg. 842-843.