Sunan an-Nasai 20478
In-book no 5742أَخْبَرَنَا سُوَيْدٌ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنْ هِشَامِ بْنِ عَائِذٍ الأَسَدِيِّ، قَالَ سَأَلْتُ إِبْرَاهِيمَ عَنِ الْعَصِيرِ، قَالَ اشْرَبْهُ حَتَّى يَغْلِيَ مَا لَمْ يَتَغَيَّرْ .
It was narrated that Hisham bin 'A'idh Al-Asadi said: "I asked Ibrahim about juice and he said: 'Drink it, unless it bubbles, so long as it doesn't change.'"