Sunan an-Nasa'i 5723
سنن النسائي#5723SahihIt was narrated that Sa'eed bin Al-Musayyab said:"When At-Tila' (thickened grape juice) has been cooked and reduced to one-third, then there is nothing wrong with it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Isnaad Maqtu
Al-AlbaniSahih Isnaad Maqtu
Zubair Ali ZaiIsnaad Sahih
In-book reference: 51:185