The Daf HaKashrus discussed at length the designations of Mevushal and Not Mevushal Kedem wines in its Volume c – No. 3 issue. The following is the current status of these wines:
The Grape Juice bottles that state on their labels Mevushal are accepted by all as Mevushal.- The Grape Juice bottles that state on their labels Not Mevushal are accepted by all as Not Mevushal.
- The Grape Juice bottles that do not state on their labels Mevushal or Not Mevushal:
- A) according to the Tzelihmer Rav Zt”l are not Mevushal.
- B) according to Rav Moshe Feinstein Zt”l and the OU are Mevushal.