“Flesh that touches any unclean thing shall not be eaten. It shall be burned up with fire. All who are clean may eat flesh,
19. And the flesh that toucheth. It was not indeed lawful to eat of any polluted flesh, but in the sacrifices there was a special reason for this, i.e., because the uncleanness involved sacrilege. On this account he commands it to be burnt, just like that which had not been consumed within the legitimate time; and the punishment is, “La punition est raise bien grieve;”...
All this relates to the peace-offerings: it is the repetition and explication of what we had before, with various additions. I. The nature and intention of the peace-offerings are here more distinctly opened. They were offered either, 1. In thankfulness for some special mercy received, such as recovery from sickness, preservation in a journey, deliverance at sea, redemption out of captivity, all which are specified in Ps.
Commenting on Leviticus 7:11-34
But the soul that eateth of the flesh of the sacrifice of the peace offerings, that pertain unto the Lord,.... That are offered up to him, and so are holy, and therefore not to be eaten by unholy persons, or by any having his uncleanness upon him; a profluvious person that has an issue running out of him, a gonorrhoea; see Lev 15:2.