Where can I find the sources on which the opinion that says gelatin from non kasher animals is permitted based on the concept of nifsal me'achilas kelev?


These three all say some variation of that theme:

  • Chaim Ozer Gradinski. Shut Achiezer III:33

  • Tzvi Pesach Frank. Har Tzvi, Yoreh Deah 83

  • Ovadia Yosef. Yabia Omer, Yoreh Deah, 8:11

  • I heard there's a teshuva of Rav Moshe that says this? – robev Mar 5 '18 at 21:20
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    @robev Rav Moshe has two main teshuvot on gelatin (YD 1:37 and YD 2:27) and he rules strictly on this issue. – Popular Isn't Right Mar 5 '18 at 21:31
  • @popularis He rules stringently out of doubt though, no? That's very different – Double AA Mar 5 '18 at 22:19

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