‏الأشربة : Hadeeth No:5089 Sa'id b. Zaid reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Truffles are 'Manna' and its juice is the medicine for the eyes....

‏الصيام : Hadeeth No:2414 Musa b. 'Ali has narrated this hadith through the same chain of transmitters....