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Method for extracting natural beta-carotene from Mangifera indica

A technology of carotene and extraction method, which is applied in the direction of organic chemistry, can solve problems such as high cost, limited production area, and difficult to guarantee product quality, and achieve the effect of short time, wide adaptability, and simple operation

Inactive Publication Date: 2016-09-07
LIUZHOU SANNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the harsh production environment conditions, the salt algae method not only restricts the production area, but also can only be produced for a few months in a year. The glycerol and protein content in salina are more than three times the content of β-carotene, which is an important method for the production of high-purity The product increases the difficulty of purification
Production of natural β-carotene by fermentation is complex, costly, and difficult to guarantee product quality
For the extraction of natural β-carotene, the organic solvents and toxic solvent residues in the most used methods have always restricted the use of extraction products, bringing more food safety and environmental pollution problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The extraction method of natural beta-carotene in mango, comprises the following steps:

[0024] (1) Beating: remove the mango core, put the yellow and mature mango pulp and skin into the beater to make a slurry, and obtain a mango slurry with a solid particle size of ≤3mm;

[0025] (2) Centrifugal drying: Put the mango slurry into a centrifuge with a rotating speed of 1000r / min and centrifuge for 10 minutes to obtain wet mango powder; then freeze-dry the wet mango powder, and the temperature for freeze-drying and freezing is -15°C to obtain dry mango powder;

[0026] (3) Ultrasonic extraction: Mango dry powder is subjected to dual-frequency ultrasonic extraction with benzene at a weight ratio of 1:2 at a temperature of 40°C. The extraction frequency is 38kHz and 60kH, extracted for 10 minutes, extracted 3 times, filtered, and combined for 3 The resulting extract;

[0027] (4) Evaporation: put the extract into a rotary evaporator, the temperature of the rotary evaporat...

Embodiment 2

[0031] The extraction method of natural beta-carotene in mango, comprises the following steps:

[0032] (1) Beating: remove the mango core, put the yellow and mature mango pulp and skin into the beater to make a slurry, and obtain a mango slurry with a solid particle size of ≤3mm;

[0033] (2) Centrifugal drying: Put the mango slurry into a centrifuge with a rotating speed of 1000r / min and centrifuge for 25 minutes to obtain wet mango powder; then freeze-dry the wet mango powder at -35°C to obtain dry mango powder;

[0034] (3) Ultrasonic extraction: At a temperature of 50°C, conduct dual-frequency ultrasonic extraction of dry mango powder and benzene at a weight ratio of 1:3, the extraction frequency is 50kHz and 90kH, extract for 30 minutes, extract 3 times, filter, and combine 3 The resulting extract;

[0035] (4) Evaporation: put the extract in a rotary evaporator, the temperature of the rotary evaporator is heated at a constant temperature of 99°C, and the rotation speed...

Embodiment 3

[0039] The extraction method of natural beta-carotene in mango, comprises the following steps:

[0040] (1) Beating: remove the mango core, put the yellow and mature mango pulp and skin into the beater to make a slurry, and obtain a mango slurry with a solid particle size of ≤2mm;

[0041] (2) Centrifugal drying: Put the mango slurry into a centrifuge with a rotating speed of 1200r / min and centrifuge for 15 minutes to obtain mango wet powder; then freeze-dry the mango wet powder, and the freeze-drying temperature is -25°C to obtain mango dry powder;

[0042] (3) Ultrasonic extraction: Mango dry powder is subjected to dual-frequency ultrasonic extraction with benzene at a weight ratio of 1:3 at a temperature of 45°C. The extraction frequency is 42kHz and 86kH, extracted for 20 minutes, extracted 3 times, filtered, and combined for 3 The resulting extract;

[0043] (4) Evaporation: put the extract into a rotary evaporator, the temperature of the rotary evaporator is heated at a...

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Abstract

The invention provides a method for extracting natural beta-carotene from Mangifera indica. The method comprises the steps of pulping the Mangifera indica, carrying out centrifugal drying, carrying out ultrasonic extraction, carrying out evaporation, and carrying out purification, thereby obtaining the beta-carotene. The method is simple in operation and wide in adaptability, is short-time, safe and non-toxic and is free of environment and time limitations, and the average purity of the obtained beta-carotene reaches 90%.

Description

technical field [0001] The invention relates to a method for extracting beta-carotene, in particular to a method for extracting natural beta-carotene in mango. Background technique [0002] The molecular formula of β-carotene is C 40 h 55 , The production method of β-carotene is divided into the production method of chemical synthesis and the production method of natural product: [0003] 1. Chemical synthesis method: use the intermediate product C in the synthesis process of vitamin A 14 Aldehyde or directly use vitamin A as raw material to produce β-carotene. Although chemically synthesized β-carotene has relatively high purity and low production cost, the product is easily mixed with a small amount of toxic chemicals, which can cause chromosomal mutation and carcinogenesis. [0004] 2. The production method of natural products: it is obtained by extracting from natural plants, silkworm dung, salina and microbial fermentation. Due to the harsh production environment c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C403/24
CPCC07C403/24
Inventor 莫肯堂
Owner LIUZHOU SANNONG TECH
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