Concentrated soup-stock and preparation method thereof

The invention relates to concentrated soup-stock and a preparation method thereof. The preparation method of the concentrated soup-stock comprises the following steps: crushing a chicken bone, a pig bone and a pig marrow bone, adding in cold water, boiling to remove blood, and cooling; adding cold water according to the feed liquid ratio of 1:4, boiling with a big fire, adding the crushed and blood-removing chicken bone, pig bone and pig marrow bone, adding scallions, ginger and dried scallop, boiling for 10-15 min, removing foam, and boiling for 3-7 h with a small fire to obtain extracting solution; centrifuging the extracting solution to obtain decoction and an oil phase; carrying out vacuum concentration on the decoction to obtain concentrated decoction, mixing the concentrated decoction and the oil phase, and then adding emulgator modified starch to homogenize to obtain the concentrated soup-stock. The prepared concentrated soup-stock is excellent in mouthfeel and fresh in color, not only retains the original color, smell and taste of the concentrated soup-stock, but also is good in instant solubility and rich in nutritional ingredient.