Al-Kāfi - Volume 6 > The Juice (grape juice)
Hadith #1

عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ أَبِي نَصْرٍ عَنْ حَمَّادِ بْنِ عُثْمَانَ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ لَا يَحْرُمُ الْعَصِيرُ حَتَّى يَغْلِيَ .

1. Ali ibn Ibrahim has narrated from his father from Ahmad ibn Muhammad from ibn abu Nasr from Hammad ibn ‘Uthaman who has said the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said, ‘Juice (grape juice) is not unlawful until it boils.’”