Reference for Bava Batra 190:12

אמר רב יהודה יין הנמכר בחנות מברכין עליו בורא פרי הגפן ורב חסדא אמר גבי חמרא דאקרים למה לי

the benediction<span class="x" onmousemove="('comment',' Before partaking of any food, a certain benediction must be said beginning with, 'Blessed art thou, O Lord, our God, King of the Universe' and concluding in different forms corresponding to the particular kind and nature of the food consumed. ');">²¹</span> of 'the<span class="x" onmousemove="('comment',' Beginning with the usual formula (v. previous note.) ');">²²</span>

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