Reference for Nedarim 105:5

<big><strong>מתני׳</strong></big> הנודר מן היין מותר ביין תפוחים מן השמן מותר בשמן שומשמין מן הדבש מותר בדבש תמרים מן

<b><i>GEMARA</i></b>. But the Sages are identical with the first Tanna? — They differ in respect of the following which was taught: R. Simeon b. Eleazar laid down this general rule: Whatever is eaten itself, and what comes from it too is eaten, e.g., dates and the honey of dates, and he vowed [abstinence] from the substance itself, he is forbidden that which comes from it;<span class="x" onmousemove="('comment',' T. J. has 'permitted', which Wilna Gaon regards as correct. ');">⁴</span>

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