Fresh-cut lotus root fresh-keeping method of modified atmosphere packing with high oxygen
A technology of fresh-keeping packaging and cutting lotus root, which is applied in the direction of preservation of fruits and vegetables, food preservation, and protection of fruits/vegetables with a protective coating layer, which can solve the problems of loss of commercial value, high moisture content of lotus roots, and high breathing intensity, and achieves maintenance Color, wide application prospects, and the effect of inhibiting rot
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Example Embodiment
[0023] Example one:
[0024] The present invention provides a high-oxygen-adjusted fresh-keeping packaging method for fresh-cut lotus root, which adopts the following process steps:
[0025] Soak the fresh lotus root after selection and cleaning in 1% NaClO solution, soak for 3 minutes, drain and remove the stalks; cut and cut into slices of 3mm crosswise; soak the sliced lotus root in the mass percentage The content is: 1% V C , 0.5% calcium propionate and 0.5% cysteine, the rest is made of water, soak for 3 minutes and then take it out; air (at room temperature) to dry for 10 minutes and then put it in a polypropylene tray box, tray box The filling volume ratio is 95% O 2 With 5% N 2 The mixed gas is sealed with stretched polypropylene / polyethylene composite film. The shelf life at 5°C is more than 15 days.
Example Embodiment
[0026] Embodiment 2: A fresh-cut lotus root high-oxygen controlled fresh-keeping packaging technology method of the present invention adopts the following process steps:
[0027] In the present invention, the fresh lotus root after selection and cleaning is soaked in 1% NaClO solution for 4 minutes, drained and removed; cut and cut into 4mm slices by sections; soak the sliced lotus root in mass percentage For: 1%V C , 0.5% calcium propionate, 0.5% cysteine, and the rest is made of water, soak for 4 minutes and then take it out; air (at room temperature) to dry for 10 minutes and then put it in a polypropylene tray box, tray box The filling volume ratio is 85% O 2 With 15% N 2 The mixed gas is sealed with stretched polypropylene / polyethylene composite film. The shelf life at 5°C is more than 13 days.
Example Embodiment
[0028] Embodiment 3: The present invention is a fresh-cut lotus root high-oxygen controlled fresh-keeping packaging technology method, which adopts the following process steps:
[0029] In the present invention, fresh lotus roots after selection and cleaning are soaked in 1% NaClO solution for 5 minutes, drained, and pedicles are removed; the slices are cut and cross-cut into 5mm slices; the cut lotus roots are soaked in mass percentage For: 1%V C , 0.5% calcium propionate, 0.5% cysteine, and the rest is made of water, soak for 4 minutes and then take it out; air (at room temperature) to dry for 15 minutes and put it in a polypropylene tray box, tray box The filling volume ratio is 80% O 2 With 20% N 2 The mixed gas is sealed with stretched polypropylene / polyester composite film. The shelf life is more than 12 days at 5°C.
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