Dyed strawberry canned is due to the strawberries in the processing of the fruit surface is easy to fade, the flesh is easy to soft, easy to deformation of the fruit particles and other technical problems, so dyeing treatment.

Dyeing strawberries canned staining method:

Dyeing strawberries canned staining using vacuum dyeing. Dyeing solution formula:seductive red 0.3‰(300ppm), calcium lactate 0.8‰.

Dyeing liquid preparation procedure: seductive red, calcium lactate first with a small amount of warm water (water temperature of 35 ℃ or so) dissolved, and then poured into the 40-45 ℃ warm water and stirred well, can be used for dyeing.

Vacuum dyeing: use a vacuum of 0.06 MPa to continuously evacuate for 3-5 minutes, the dyeing time is counted from the time the vacuum reaches 0.06 MPa. Strawberries after grading should be dyed separately according to the different sizes of fruit diameter.

Sugar water dyeing strawberry canning process is different in many aspects with the processing of water (or sugar water) strawberry canning process, such as the production of sugar water dyeing strawberry canning strawberry raw materials can not be softened, especially strawberry vacuum dyeing technology.