Reference for Yevamot 148:12
ואכתי הני מילי היכא דלאו בר כפרה אבל היכא דבר כפרה עד דמייתי כפרה
The former applies to <i>terumah</i>, the latter to holy food.<span class="x" onmousemove="('comment',' Thus it follows that even when a sacrifice has been prescribed (cf. p. 505, n. 17) terumah may be eaten before that sacrifice has been brought. ');"><sup>42</sup></span> But might not these be reversed?<span class="x" onmousemove="('comment',' The first text applying to holy food, and the second to terumah. ');"><sup>43</sup></span> — It stands to reason that holy food should be subject to the greater restriction,<span class="x" onmousemove="('comment',' That its consumption be not permitted before the prescribed sacrifice had been offered. ');"><sup>44</sup></span> since it is also subject to the restrictions of<span class="x" onmousemove="('comment',' For explanation of the mnemonics v. supra p. 497 nn. 1 and 3. ');"><sup>45</sup></span>