Processing of sweet potato strips
Basic processing of sweet potato strips: sweet potato picking - peeling - cutting - hardening - sugar boiling - sugar stains - shaping - drying - finished products.
Zheng,
Red-skin sweet potato should be used, the yield is high, the water content is high, and the finished product has good color. Cut into 60mm*6mm*6mm slender strips and immediately immerse them in water (how much need to be completely immersed in the pre-experimental determination)
1. Material selection : The selection is smooth and complete, no pests and diseases, the uniform size of the head is basically the same, and the sweet potato is about eight mature.
2. Peeling and cutting : Wash the sweet potato with water, wash it with a roller cleaning machine , then cut it with a slice cutter, weigh it and use it.
3. Curing: The above-described billet with a solution containing sweet potato soaked in 1 h -1 5 h, up until transparent or semitransparent, rapidly cooled. This is mainly for color protection and hardening treatment.
4. Candied: The hardened fish fruit pieces, washed several times, washed with water, to prevent the Maillard reaction during candied, candied performed after removal of residual liquid, three-sugar boiling process.
5, drying : drain the sugar liquid, re-shaping, pick out the broken sweet potato strips, put the sweet potato strips into the baking tray evenly, then put the baking tray into the drying oven for 8 h - 10h , the middle can be It can be flipped once, and the fruit can be shaped in the middle of baking. When the sweet potato strip is baked until it is not sticky.
6. Packing: Put the baked sweet potato strips into a transparent sealed food packaging bag.
Sensory evaluation reference standard
project | Evaluation Standards | fraction |
Color | Yellow, uniform | 1.5-2.0 |
Brown color, uneven color | 1.0-1.5 | |
Dark brown | 0-1.0 | |
transparency | Transparent and clear | 1.5-2.0 |
Dim, opaque | 1.0-1.5 | |
Black gray gray | 0-1.0 | |
hardness | Moderate hardness, bendable, no break | 1.5-2.0 |
1.0-1.5 | ||
0-1.0 | ||
Taste | Normal sweetness and delicious taste | 2.5-4.0 |
Slightly sweet | 1.0-2.5 | |
Too sweet | 0-1.0 |
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