Preparation method of longan pulp whole fruit powder rich in gamma-aminobutyric acid and composite fruit powder of longan pulp whole fruit powder

A technology of aminobutyric acid longan and longan pulp, which is applied in the fields of freezing/cold storage of fruits/vegetables, food science, etc. It can solve the problems of seasonal restrictions on longan production, inability to obtain whole fruit powder, and difficulty in obtaining whole fruit powder, etc., to achieve The effects of enriching varieties and markets, overcoming monotony of aroma and taste, and low cost

Active Publication Date: 2022-07-22
SOUTH CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned methods for enriching GABA require strict low temperature and gas composition environmental conditions, and must be realized through long-term or repeated operations, which have shortcomings and limitations in terms of economy and efficiency.
In addition, there are seasonal restrictions on longan production
The traditional hot-air dried processed longan (longan) meat final product is limited by sugar and moisture, so it is not easy to directly pulverize and prepare whole fruit powder. However, commercially available fruit powder is mostly prepared by spray drying process and needs to add dextrin as a drying aid, so it is not available. whole fruit powder

Method used

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  • Preparation method of longan pulp whole fruit powder rich in gamma-aminobutyric acid and composite fruit powder of longan pulp whole fruit powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 The preparation method of "Shi Kip" longan pulp whole fruit powder rich in GABA

[0035] In this embodiment, the longan variety "Shi Kip" is selected. First, the following pretreatment is performed, and 100 kg of fresh, mature, brightly colored, plump, non-worm-eaten and non-damaged longan fruits are selected and washed with soaking and spray equipment to remove the surface dirt on the longan shell. , microorganisms and residual pesticides, etc., drain the water; peel and take the pulp, manual peeling is done with stainless steel tongs or clip sleeves, and mechanical peeling is done by an automatic longan meat peeling machine; after testing the GABA quality of longan pulp The percentage content is 0.20%.

[0036] A preparation method of GABA-rich longan pulp whole fruit powder, the concrete steps are as follows:

[0037] S1. Longan pulp cutting treatment: cut the pretreated longan pulp into 1 / 2;

[0038] S2. Refrigeration treatment: the pulp after being c...

Embodiment 2

[0044] Example 2 Preparation of "Chuliang" longan pulp whole fruit powder rich in γ-aminobutyric acid

[0045] In this embodiment, the "Chuliang" longan variety is selected, and the following pretreatment is first performed, and 100kg of fresh, mature, brightly colored, plump, non-worm-eaten and non-damaged longan fruits are selected, and washed with soaking and spraying equipment to remove the dirt on the surface of the longan shell. , microorganisms and residual pesticides, etc., drain the water; peel and take the pulp, manual peeling is done with stainless steel tongs or clip sleeves, and mechanical peeling is done by an automatic longan meat peeling machine; after testing the GABA quality of longan pulp The percentage content is 0.16%.

[0046] A preparation method of GABA-rich longan pulp whole fruit powder, the concrete steps are as follows:

[0047] S1. Longan pulp cut processing: cut the pretreated longan pulp into 1 / 4;

[0048] S2. Refrigeration treatment: the pulp ...

Embodiment 3

[0054] Example 3 Preparation of "Caopu" longan pulp whole fruit powder rich in γ-aminobutyric acid

[0055] In this embodiment, the variety of "Caopu" longan is selected, firstly, the following pretreatment is performed, and 100 kg of fresh, mature, brightly colored, plump, non-worm-eaten and non-damaged longan fruits are selected, and washed with soaking and spraying equipment to remove the dirt on the surface of the longan shell. , microorganisms and residual pesticides, etc., drain the water; peel and take the pulp, manual peeling is done with stainless steel tongs or clip sleeves, and mechanical peeling is done by an automatic longan meat peeling machine; after testing the GABA quality of longan pulp The percentage content is 0.18%.

[0056] A preparation method of GABA-rich longan pulp whole fruit powder, the concrete steps are as follows:

[0057] S1. Longan pulp cut processing: cut the pretreated longan pulp into 1 / 8;

[0058] S2. Refrigeration treatment: the pulp aft...

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Abstract

The invention discloses a preparation method of longan pulp whole fruit powder rich in gamma-aminobutyric acid and composite fruit powder of the longan pulp whole fruit powder. According to the invention, gamma-aminobutyric acid in longan is enriched on the basis of a method for synergistically regulating and controlling cutting damage mechanical stress factors of fresh-cut processing of longan aril and refrigeration and drying temperature stress; then thermal inactivation of enzyme activity and a freeze-drying process are combined to prevent denaturation or degradation of gamma-aminobutyric acid due to environmental conditions such as temperature, pH and browning-related enzymes; and finally obtaining the longan pulp whole fruit powder rich in gamma-aminobutyric acid. The processing method is simple, and the content of gamma-aminobutyric acid is remarkably increased; the obtained longan fruit powder is rich in gamma-aminobutyric acid derived from longan, does not need to be externally added, can meet daily needs of people, and can be used as a base material of gamma-aminobutyric acid functional food; other fruit powder can be added to be processed into composite fruit powder, the solid beverage market is enriched, and the requirements of the industry and consumers are met.

Description

technical field [0001] The invention belongs to the technical field of food processing. More specifically, it relates to a preparation method of γ-aminobutyric acid-rich longan pulp whole fruit powder and its composite fruit powder. Background technique [0002] Gamma-aminobutyric acid (GABA) is a four-carbon non-protein amino acid widely found in plants, animals and microorganisms. As a neurotransmitter in the mammalian nervous system, GABA plays an important role in maintaining mental health. Clinical studies have shown that GABA has the functions of lowering blood pressure, lowering lipids, lowering blood sugar, anti-cancer, diuretic, and calming. With the increase of human age and the continuous increase of mental stress, BAGA needs to be supplemented through daily diet. Since the 1990s, GABA has become popular as a nutritional supplement in Japan, Europe and the United States. In recent years, more and more studies have been conducted on the distribution of GABA in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00A23L33/00A23B7/04A23L2/39
CPCA23L19/01A23L33/00A23B7/04A23L2/39A23V2002/00A23V2200/30A23V2300/10A23V2300/20
Inventor 胡卓炎张曼赵雷王凯刘旭炜萧奕童
Owner SOUTH CHINA AGRI UNIV
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