It is important that the fermenting vegetables stay submerged in the brine/acid solution and the system not be exposed to air for the first week. Caraway spiced commercial sauerkraut is known to be le...It is important that the fermenting vegetables stay submerged in the brine/acid solution and the system not be exposed to air for the first week. Caraway spiced commercial sauerkraut is known to be less sulfurous and milder in flavor than traditional sauerkraut, was found to contain no DMTS and the level of the DMDS was also lower.