Unscientific and harmful. The nitrite reaches the peak after 3-5 days of pickling. If it is pickled leaf vegetables, the peak will reach the peak in the first week.

Vinegar affects the nitrite in pickles. Study on the effect of salt content Vinegar can effectively reduce the nitrite content in kimchi. On the third day, the nitrite content in kimchi was the highest, and it dropped to a very low level on the 6th day. /view/0f58a3f8700abb68a982fb5a.html

Kimchi Experimental report on the inspection of nitrite: The highest value is reached after 3-5 days of pickling, and the lowest value is reached on the 8th and 9th day. The nitrite content is closely related to time. The nitrite content will reach a peak one or two weeks after pickling, and then the content will continue to decrease. Generally speaking, after the 21st day, the nitrite content will drop to the lowest, and you can eat with confidence at this time. The nitrite content in pickles is higher than that of kimchi and sauerkraut/s?id=1617735165617493922amp; wfr=spideramp; for=pc