Sunan An-Nasa'i - سنن النسائي
51. The Book of Drinks - كتاب الأشربة
2) Chapter: The Drinks Which Were Destroyed When Khamr Was Prohibited
It was narrated that Anas bin Malik said:
"When Khamr was forbidden, their drink was (made from) unripe dates and dried dates."
2) باب ذِكْرِ الشَّرَابِ الَّذِي أُهْرِيقَ بِتَحْرِيمِ الْخَمْرِ
أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنْ حُمَيْدٍ الطَّوِيلِ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ حُرِّمَتِ الْخَمْرُ حِينَ حُرِّمَتْ وَإِنَّهُ لَشَرَابُهُمُ الْبُسْرُ وَالتَّمْرُ.