A kind of processing method of non-fried potato chips rich in selenium and zinc
A technology of potato chips and a processing method, applied in the field of food processing, can solve the problems of uneven internal distribution, long soaking time, uneven spraying, etc., and achieve the effects of increasing porous structure, less loss of nutrient components, and obvious health care effect.
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Embodiment 1
[0027] A kind of processing method of selenium-enriched, zinc non-fried potato chips, comprising the following steps:
[0028] (1) Raw material processing: select 1 kg of fresh potatoes with the same size, small buds and roots, no sprouts, less sugar, and no pests and diseases, wash them with clean water, trim and peel them, and then place the trimmed and peeled potatoes in steam at 55°C Treat for 10 minutes, then steam and blanch in 80°C steam for 60 minutes, cool and set aside;
[0029] (2) Freezing and thawing: Cut the potatoes processed in step (1) into slices with a thickness of 3mm, then freeze the potato slices at a temperature of -15°C, and then thaw them in a solution rich in selenium and zinc, which is rich in selenium , zinc solution is prepared from sodium selenite and zinc gluconate, and the mass concentration is formulated to contain sodium selenite 3.5 × 10 -5 %, zinc gluconate 0.015% solution;
[0030] (3) Selenium-enriched and zinc-enriched: the potato slice...
Embodiment 2
[0037] (1) Raw material processing: select 1 kg of fresh potatoes with the same size, small buds and roots, no sprouts, less sugar, and no pests and diseases, wash them with clean water, then trim and peel them, and place the trimmed and peeled potatoes in steam at 50°C Treat for 30 minutes, then cook and blanch in steam at 85°C for 40 minutes, cool and set aside;
[0038] (2) Freezing and thawing: Cut the potatoes treated in step (1) into slices with a thickness of 4mm, then freeze the potato slices at a temperature of -25°C, and then thaw them in a solution rich in selenium and zinc, rich in selenium and zinc. The solution of selenium and zinc is prepared from sodium selenite and zinc gluconate, and the mass concentration is prepared to contain sodium selenite 6.0×10 -5 %, zinc gluconate 0.020% solution;
[0039] (3) Selenium-enriched and zinc-rich: the potato slices thawed in a solution rich in selenium and zinc are placed in a vacuum device to evacuate, the vacuum degree is...
Embodiment 3
[0046] (1) Raw material processing: select 1 kg of fresh potatoes with the same size, small buds and roots, no sprouts, less sugar, and no pests and diseases, wash them with clean water, then trim and peel them, and place the trimmed and peeled potatoes in steam at 50°C Treat for 40 minutes, then steam and blanch in 85°C steam for 50 minutes, cool and set aside;
[0047] (2) Freezing and thawing: Cut the potatoes treated in step (1) into slices with a thickness of 5mm, then freeze the potato slices at a temperature of -35°C, and then thaw them in a solution rich in selenium and zinc, rich in selenium and zinc. The solution of selenium and zinc is prepared from sodium selenite and zinc gluconate, and the mass concentration is prepared to contain sodium selenite 8.5×10 -5 %, zinc gluconate 0.025% solution;
[0048] (3) Selenium-enriched and zinc-enriched: the potato slices thawed in a solution rich in selenium and zinc are placed in a vacuum device to evacuate, the vacuum degre...
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