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A kind of method and obtained product from aqueous phase extraction fat body in tomato seed

A technology for extracting oil and tomato seeds, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc. It can solve the problems of low purity of fat body and long extraction time, and achieve the goal of improving extraction rate and long shelf life Effect

Active Publication Date: 2022-05-06
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The aqueous phase extraction method mainly uses mechanical means such as filtration and centrifugation to separate the oil body. The advantage is that it is relatively simple and convenient, but the disadvantage is that the purity of the extracted oil body is low; the enzyme-assisted extraction method first uses mechanical crushing, and then uses an enzyme preparation for secondary destruction Cell wall, the advantage is that the extraction rate is high, and the disadvantage is that the extraction time is long [3]

Method used

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  • A kind of method and obtained product from aqueous phase extraction fat body in tomato seed
  • A kind of method and obtained product from aqueous phase extraction fat body in tomato seed
  • A kind of method and obtained product from aqueous phase extraction fat body in tomato seed

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Effect test

Embodiment 1

[0040] For the processing procedure, see figure 1 .

[0041] Take 20g of dried tomato seeds, soak in 0.1mol / L NaHCO with pH=9.50 3 In the solution, the soaking temperature is 4°C, the soaking time is 4 hours, and the soaking material-liquid ratio is 1:4 (w / v). The soaked seeds and soaking liquid are processed with a blender for 45 seconds, twice. Then filter with three layers of gauze to obtain filtrate and filter residue. The filtrate was centrifuged at 10,000 g at 4°C for 30 min, and the upper layer of paste was the fat body.

[0042] Dilute the oil body with deionized water at 1:10, and then dilute it 10 times, measure the particle size and ζ-potential of the oil body with the diluent, measure the particle size and ζ-potential of the oil body with a laser particle size analyzer, and set the equilibrium time for 90s , the measurement temperature was 25°C, each sample was shaken with a vortex mixer for 20 s before each sample was placed, and each sample was measured three...

Embodiment 2

[0044] Take 20g of dried tomato seeds, soak in 0.1mol / L NaHCO with pH=9.50 3In the solution, the soaking temperature is 4°C, the soaking time is 4 hours, and the soaking material-liquid ratio is 1:4 (w / v). Then use a twin-screw press to process three times, the first time to process the seeds and their soaking liquid, the second time to process the mixture of filtrate and residue, and the third time to process only the filtrate to obtain filtrate and filter residue. The filtrate was centrifuged at 10,000 g at 4°C for 30 min, and the upper layer of paste was the fat body.

[0045] Dilute the oil body with deionized water at 1:10, and then dilute it 10 times, measure the particle size and ζ-potential of the oil body with the diluent, measure the particle size and ζ-potential of the oil body with a laser particle size analyzer, and set the equilibrium time for 90s , the measurement temperature was 25°C, each sample was shaken with a vortex mixer for 20 s before each sample was p...

Embodiment 3

[0047] Take 20g of dried tomato seeds, soak in 0.1mol / L NaHCO with pH=9.50 3 In the solution, the soaking temperature is 4°C, the soaking time is 4 hours, and the soaking material-liquid ratio is 1:4 (w / v). Process the soaked tomato seeds and their soaking liquid with a blender for 45 seconds twice to obtain a once-treated slurry. Then the slurry is processed three times with a twin-screw press, the slurry is processed for the first time, the mixture of filtrate and residue is processed for the second time, and only the filtrate is processed for the third time to obtain the final extract. The extract was centrifuged at 10,000 g at 4°C for 30 min, and the upper paste was the fat body.

[0048] Dilute the oil body with deionized water at 1:10, and then dilute it 10 times, measure the particle size and ζ-potential of the oil body with the diluent, measure the particle size and ζ-potential of the oil body with a laser particle size analyzer, and set the equilibrium time for 90s ...

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Abstract

The invention provides a method for extracting oil bodies from tomato seeds in aqueous phase and the resulting product, the method comprising operations: (1) Soaking: soaking whole tomato seeds or crushed tomato seeds in an aqueous solution with a pH value of 7-11 (2) processing with a mixer and a twin-screw press: process the soaked tomato seeds and soaking liquid with a mixer and a twin-screw press, wherein the mixer is used for 1 to 3 times, and the twin-screw press is used for 3 to 5 times. Obtaining the extract; (3) solid-liquid separation of the extract: centrifuging the extract to obtain the upper paste, which is the fat body. In the present invention, the blender and the twin-screw press are used in combination to extract the oil body, and the obtained extraction rate is higher, which is 70.59±3.92%, and the joint use of the two machines effectively improves the extraction rate of the tomato seed oil body.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a method for extracting oil from plant seeds and the obtained product. Background technique [0002] Tomatoes are sweet, sour and nutritious. They are one of the most consumed vegetables in the world. In 2018, the global tomato output reached 182 million tons. my country is a big tomato growing country, ranking first in the world in terms of output. Tomato products include tomato juice, tomato paste, lycopene, etc. During the processing of tomato products, 3%-8% by-products (tomato skin and seeds) will be produced [1] , of which tomato seeds accounted for about 55%. According to the 5.5% by-products produced during the processing, the tomato seeds produced by processing in 2018 exceeded 1 million tons. [0003] Liposomes are cell organelles that store oil in plants, and they exist in many plant tissues, especially in seeds, accounting for 20%-50% of their mas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/04C11B1/06C11B3/00
CPCC11B1/04C11B1/06C11B3/00
Inventor 倪元颖秦琛强单子明傅麒嘉李茉傅娆韩明钊刘子豪陈楠温馨
Owner CHINA AGRI UNIV