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Processing method for preventing dry lemon slices from browning

A processing method, lemon drying technology, applied in the direction of preserving fruits/vegetables through dehydration, etc., can solve the problems affecting the nutrition of fresh lemon slices, and achieve the effects of benefiting human health, ensuring food safety, and good drying quality

Inactive Publication Date: 2015-04-08
SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The Chinese patent "Manufacturing Process of Fresh Lemon Slices" with the application number of 201210068136.7 discloses a process for making fresh lemon slices. In this invention, the seeded fresh lemon slices are mixed in a solution made of edible anti-oxidation and anti-browning agents. Soak the fresh lemon slices to protect the color, and then vacuum pack and sterilize the fresh lemon slices, which retains the nutrition of the fresh lemon slices and prevents the fresh lemon slices from being browned. Although the present invention does not add any preservatives to the fresh lemon slices, the Soaking to protect the color, the antioxidant and anti-browning agents will more or less remain on the fresh lemon slices. In addition, the patent also blanches the fresh lemon slices after packaging, which will affect the nutrition of the fresh lemon slices

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A processing method for preventing browning of dried lemon slices, comprising the steps of:

[0026] S1. Grading and sorting and cleaning with clean water: select and select lemon fruits with good hardness, nine ripeness, freshness, no peculiar smell, qualified pesticide residues and heavy metals, and a transverse diameter of 50-60 mm; Stones and surface microorganisms; pick out the branches, sundries and rotten fruits in the lemon fruit;

[0027] S2, cleaning and sterilization: take 5 kg of lemon fruit and remove the head and tail, then carry out sterilization and cleaning with high-concentration ozone water, and the ozone concentration is more than 0.8 ppm;

[0028] S3. Slicing: Orientated slices by a slicer to ensure that the whole fruit is sliced ​​across the transverse diameter, the slice pattern is beautiful, the flesh and peel are not easy to separate and come off, and the slice thickness is 3mm;

[0029] S4, heat pump drying: put the cut lemon slices into a GHR...

Embodiment 2

[0033] Except that slice thickness is 4mm in step S3, other conditions are the same as embodiment 1;

Embodiment 3

[0035] Except that drying temperature is 50 DEG C in step S4, other conditions are the same as embodiment 1;

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PUM

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Abstract

The invention discloses a processing method for preventing dry lemon slices from browning. The processing method comprises the steps of cutting fresh lemons into slices with the thickness of 3mm-4mm, and carrying out heat pump drying on the slices at 45-50 DEG C for 10-12 hours. According to the processing method provided by the invention, no additive is added, and the prepared dry lemon slices are nature, high in nutrients, strong in flavor and long in guarantee period.

Description

technical field [0001] The invention relates to a manufacturing process of lemon slices, in particular to a processing method for preventing dried lemon slices from browning. Background technique [0002] Lemon is rich in citric acid, Vc, V B , V P , V E , flavonoids, volatile oil, hesperidin, a variety of minerals and trace elements, etc., is a fruit with high nutritional and medicinal value, with sterilization, beauty, emotional stability, refreshing, throat, lower cholesterol, prevent Scurvy, prevention of kidney stones, cardiovascular arteriosclerosis and other effects. [0003] Dried lemon slices soaked in water has a fresh flavor and has the effect of beauty and health care, and is a fashionable drink. Dried lemon slices are easy and convenient to make. Fresh lemon fruit is sliced ​​horizontally and then dried. The cost is low and has great commercial value. However, the dried lemon slices are oxidized by the air during processing and storage, and the color gradu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/02
Inventor 傅曼琴徐玉娟肖更生吴继军陈于陇温靖张岩余元善林羡李俊邹波安可婧
Owner SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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