The present invention discloses a process for preparing porcine potato juice.A method for preparing a potato sweet potato according to the present invention comprises a washing step of washing selected potatoes with water, an aging step of aging the water-washed pig potatoes for 10 to 40 days, a step of adding water to the aged pig potatoes And heating the mixture for 1 to 4 days to increase the glycation rate and mixing 50 to 200 parts by weight of water with 100 parts by weight of the aged porcine potato, and heating the mixture at low temperature for 1 to 4 days at 70 to 100 to produce a saccharide And a step of mixing the saccharide and the water-soluble dietary fiber at a weight ratio of 1: 0.2 to 3 to prepare a thick mixture heating the mixture at 70 to 110 for 3 to 4 hours to prepare a concentrate And a concentrate preparation step for concentrating the concentrate.The method for producing porcine potato starch of the present invention constituted as described above is characterized in that fructose production is promoted during the process of aging porcine potato at a room temperature from a low temperature to produce a nutrient useful for the human body and a useful ingredient Is advantageous in that it can be provided as a health functional food which can be easily ingested by both men and women in terms of nutrition as a food and in terms of texture and flavor.Particularly, it is possible to substitute sugar and artificial sugar which is tasted in sweetness, as well as being able to ingest easily without any separate cooking process while minimizing the effect of potatoes beneficial to the human body and destruction of medicinal ingredients, The benefits are expected to contribute to increased revenues, job creation and increased exports.본 발명은 돼지감자 조청의 제조방법을 개시한다.본 발명의 돼지감자 조청의 제조방법은, 선별한 돼지감자를 수세척하는 세척단계와, 상기 수세척 된 돼지감자를 10~40일간 숙성시키는 숙성단계와, 상기 숙성된 돼지감자에 용수를 투입하고 이를 1~4일 중탕 가열하여 당화율을 높이는 당화단계와, 상기 숙성된 돼지감자 100 중량부에 용수 50~200중량부를 혼합하고 이를 70 ~100 에서 1~4일간
