ברכות דף לו עמוד א

¹So the question still stands

²So Rav Nachman was right, and shehakol is used where there food has not reached its intended state.

³But the Netz does fall off, and yet it must be considered "protection" for the fruit, since it certainly isn't food proper. Hoew can Rava say then that Kafrisin doesn't count.

⁴Rava and Rav Nachman disagree based on a similar argument among Tanaim