The present invention provides a preparation method of pickled food which comprises the following steps: obtaining a plant extract of at least one material selected from the group consisting of bitter gourd, mulberry leaves, and sprouts barley； adding the obtained plant extract to a raw material to be pickled as pickling water and immersing the raw material； and preparing the pickled food by aging the raw material to be pickled immersed in the above-mentioned pickling water. According to the present invention, the pickling water is produced by using bitter gourd, mulberry leaves, and sprouts barley, which are helpful for the anti-diabetic effect, and the pickled food has low salinity (less than 2%).COPYRIGHT KIPO 2018본 발명은 여주, 뽕잎 및 새싹보리의 군에서 선택된 적어도 1종의 식물추출액을 얻는 단계； 상기 얻어진 식물추출액을 절임의 대상이 되는 원료에 담금수로 첨가하여 담그는 단계； 및 상기 담금수에 담근 절임의 대상이 되는 원료를 숙성하여 절임식품을 제조하는 단계；를 포함하는 절임식품의 제조방법을 제공한다.
