Shii-take product producing method by combining pressure difference puffing with microwave technology
A technology of shiitake mushrooms and pressure difference, which is applied in the field of pressure difference puffing combined with microwave technology to produce shiitake mushroom products, which can solve the problems of affecting flavor and commodity value, difficult storage of fresh mushrooms, and increasing added value, so as to shorten the time-consuming process, facilitate storage, The effect of reducing frequency and time
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[0075] Example 1:
[0076] Step 1: Raw material processing:
[0077] After cleaning the fresh shiitake mushrooms, separate the cover and the stem. Cut the cover into 0.5-1cm wide strips. Cut the stem into two halves longitudinally to form four types: cover, cover, stem and stem. Raw shiitake mushrooms in state;
[0078] Step 2: Pre-drying treatment:
[0079] Pre-drying the mushroom raw materials in the four states by rehydration and drying is achieved by the following steps:
[0080] (1) Soak the four types of mushroom raw materials with a 0.1% Vc aqueous solution for 2 hours to completely rehydrate, and then drain to ensure the same moisture content of the raw mushrooms;
[0081] (2) Place the fully rehydrated mushroom raw materials in a hot air drying oven at 65-75°C for 1-3.5 hours.
[0082] The pre-drying time of mushroom cover is 3-3.5h;
[0083] The pre-drying time of the cover strip is 2-2.5h;
[0084] The pre-drying time of mushroom stalk is 2-2.5h;
[0085] The pre-drying time of t...
Example Embodiment
[0092] Example 2:
[0093] Step 1: Raw material processing:
[0094] After cleaning the fresh shiitake mushrooms, separate the cover and the stem. Cut the cover into 0.5-1cm wide strips. Cut the stem into two halves longitudinally to form four types: cover, cover, stem and stem. Raw shiitake mushrooms in state;
[0095] Step 2: Pre-drying treatment:
[0096] The four-state mushroom raw materials are pre-dried by the method of rehydration gradient heating and dehumidification. It is realized by the following steps:
[0097] (1) Soak the four types of mushroom raw materials with a 0.1% Vc aqueous solution for 2 hours to completely rehydrate, and then drain to ensure the same moisture content of the raw mushrooms;
[0098] (2) Heat the completely rehydrated mushroom raw materials to 70-75℃, dehumidify while heating, time 30-40min; then gradually reduce the temperature to 60-65℃, dehumidify while heating, time 0.5h-1h; Then gradually reduce to 50-55℃, dehumidify while heating, maintain fo...
Example Embodiment
[0105] Example 3:
[0106] Step 1: Raw material processing:
[0107] After cleaning the fresh shiitake mushrooms, separate the cover and the stem. Cut the cover into 0.5-1cm wide strips. Cut the stem into two halves longitudinally to form four types: cover, cover, stem and stem. Raw shiitake mushrooms in state;
[0108] Step 2: Pre-drying treatment:
[0109] Pre-drying the raw materials of shiitake mushrooms in four states by rehydrating, freezing, thawing and drying is carried out by the following steps:
[0110] (1) Soak the four types of mushroom raw materials with a 0.1% Vc aqueous solution for 2 hours to completely rehydrate, and then drain to ensure the same moisture content of the raw mushrooms;
[0111] (2) Put the completely rehydrated mushroom raw materials into the freezer compartment of the refrigerator, and freeze them at a temperature of -18℃; after thawing, soak them in a 0.1% Vc aqueous solution for 2 hours to completely rehydrate and drain; then Put the raw mushrooms i...
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