Lime slices and preparation method thereof

A technology for limes and orange slices, applied in the field of preparation of lime slices, can solve the problems of low economic benefit and the like, achieve the effects of good rehydration, prevention of browning and low price

Inactive Publication Date: 2016-06-22
HUNAN AGRI PRODS PROCESSING INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing cultivated sour oranges are mainly used to produce medicinal Fructus aurantium (dried immature fruit), as raw materials for orange cake processing and low-level fresh fruit (fresh food is sour and bitter, which is difficult for the public to accept). In recent years, some Due to the low economic benefits, large areas of adult lime trees are cut down in large areas. In order to develop and utilize this rich

Method used

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  • Lime slices and preparation method thereof
  • Lime slices and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] A kind of lime slice of the present invention, its preparation method comprises the following steps:

[0029] (1) Fruit selection and cleaning: pick limes in late October, select limes with a diameter of about 5 cm that are free from rot, disease, and insects, and are basically the same size. L ozone water flowing and soaking 15min obtains the sour orange that cleans.

[0030] (2) Slicing: Slicing the cleaned lime oriented transversely, with a slice thickness of 2.5 mm, to obtain lime slices.

[0031] (3) Pre-freezing: Put the lime slices in step (2) into a tray immediately, store them in a -40°C refrigerator, and pre-freeze for 30 minutes to obtain pre-frozen lime slices.

[0032] (4) Vacuum freeze-drying: open the cold trap of the vacuum freeze-drying box, and when its temperature reaches -49°C, place the pre-frozen lime slices in the vacuum freeze-drying box, adjust the vacuum to be 75pa, and the temperature of the heating plate is 0°C, dried for 9 hours to obtain ...

Embodiment 2

[0036] A kind of lime slice of the present invention, its preparation method comprises the following steps:

[0037] (1) Fruit selection and cleaning: pick limes in late November, select limes with a diameter of about 10 cm that are free from rot, disease, and insects, and are basically the same size. L ozone water flow soaks 60min to obtain the sour orange that cleans.

[0038] (2) Slicing: Slicing the cleaned lime oriented transversely, with a slice thickness of 5 mm, to obtain lime slices.

[0039] (3) Pre-freezing: Put the lime slices in step (2) into a tray immediately, store them in a -60°C refrigerator, and pre-freeze them for 120 minutes to obtain pre-frozen lime slices.

[0040] (4) Vacuum freeze-drying: open the cold trap of the vacuum freeze-drying box, when the temperature reaches -76°C, place the pre-frozen lime slices in the vacuum freeze-drying box, adjust the vacuum to be 1.0pa, and the heating plate temperature at 30°C and dried for 15 hours to obtain vacuum...

Embodiment 3

[0044] A kind of lime slice of the present invention, its preparation method comprises the following steps:

[0045] (1) Fruit selection and cleaning: Pick limes in early November, select limes with a diameter of about 5 cm that are free from rot, disease, and insects, and are basically the same size, and clean the dust and sand on the surface with tap water. Then use the concentration of 8mg / L ozone water to flow and soak for 20min to obtain the cleaned lime.

[0046] (2) Slicing: slice the cleaned lime in a directional transverse diameter, and the thickness of the slice is 3 mm to obtain lime slices.

[0047] (3) Pre-freezing: Put the lime slices in step (2) into a tray immediately, store in a -50°C refrigerator, and pre-freeze for 60 minutes.

[0048] (4) Vacuum freeze-drying: open the cold trap of the vacuum freeze-drying box, and when the temperature reaches -59°C, place the pre-frozen lime slices in the vacuum freeze-drying box, and adjust the vacuum degree to 25pa, 50pa,...

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Abstract

The invention relates to the technical field of food, and particularly discloses lime slices and a preparation method thereof. The preparation method comprises the following steps that a lime is cut into slices along the transverse diameter to obtain lime slices; the lime slices are prefrozen; the prefrozen lime slices are frozen and dried on the vacuum condition till the moisture of the lime slices is lower than 3%, and nitrogen-filled packing is performed. The lime slices obtained through the preparation method are good in appearance, color and fragrance and good in rehydration property, and Vc and naringin content in the lime slices can be well protected.

Description

technical field [0001] The invention relates to the technical field of food, in particular to a method for preparing lime slices and lime slices prepared by the method. Background technique [0002] Lime belongs to the Rutaceae citrus genus, which is distributed in various provinces in the south of the Yangtze River in my country. There are more distributions in Yuanjiang, Dayong, Luxi and Shaoyang in Hunan Province. Lime has high nutritional and health value, rich in amino acid types, and contains Higher VC (its content is equivalent to lemon), organic acids, flavonoids, alkaloids, phenolic acids and other functional ingredients. The existing cultivated sour oranges are mainly used to produce medicinal Fructus aurantium (dried immature fruit), as raw materials for orange cake processing and low-level fresh fruit (fresh food is sour and bitter, which is difficult for the public to accept). In recent years, some Because of the low economic benefits, large areas of mature lime...

Claims

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Application Information

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IPC IPC(8): A23L19/00A23B7/04A23B7/024A23B7/148
CPCA23B7/04A23B7/024A23B7/148
Inventor 付复华单杨朱玲风潘兆平张群谢秋涛刘伟苏东林
Owner HUNAN AGRI PRODS PROCESSING INST
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