—Garlic contains anthocyanins, a water soluble pigment also found in beets. This changes color very easily and with the acid condition in pickles, turns blue or purple in color
How can you tell if sauerkraut is spoiled?
—Undesirable color
—Off odors
—Soft texture
Why does kraut get soft?
—Insufficient salt
—Too high temperatures during fermentation
—Uneven distribution of salt
—Air pockets caused by improper packing