Method for separating pectin from fructus momordicae production waste residue

A technology of Luo Han Guo and waste residue, applied in the field of pectin separation, can solve the problems of cumbersome steps, high cost, unsuitable for large-scale production, etc., and achieve the effects of improving utilization rate, improving the environment, considerable economic value and environmental protection value

Active Publication Date: 2017-06-13
HUNAN HUACHENG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is constrained by resource shortage, and the steps a

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Hot water extraction: add 3000kg hot water to 500kg of Luo Han Guo fresh fruit production waste residue, stir and extract at 80°C for 2 hours, filter to obtain the extract; (2) Microfiltration: pass the extract obtained in step (1) through a molecular weight cut-off of 50kDa ceramic membrane, collect ceramic membrane permeate; (3) nanofiltration: pass the ceramic membrane permeate obtained in step (2) through a nanofiltration membrane with a molecular weight cut-off of 2kDa, and collect 2500kg of nanofiltration membrane retentate; (4) Decolorization: Add 3kg of activated carbon to the nanofiltration membrane retentate obtained in step (3), heat to 50°C, heat and stir for 5 hours, and filter to obtain a decolorized solution; (5) Concentrate and dry: put the decolorized solution obtained in step (4) at 70 ℃, the vacuum degree is -0.09MPa under the condition of vacuum vacuum concentration to 40% concentration, and then the concentrated solution is microwave dried at the...

Embodiment 2

[0033] (1) Hot water extraction: Add 8000kg hot water to 1000kg of Luo Han Guo fresh fruit production waste residue, stir and extract at 90°C for 1.5h, filter to obtain the extract; (2) Microfiltration: pass the extract obtained in step (1) through molecular weight cut-off (3) Nanofiltration: pass the ceramic membrane permeate obtained in step (2) through a nanofiltration membrane with a molecular weight cut-off of 1 kDa, and collect 7500 kg of the nanofiltration membrane retentate; (4 ) Decolorization: add 10 kg of activated carbon to the nanofiltration membrane retentate obtained in step (3), heat to 55 ° C, heat and stir for 3 hours, filter to obtain a decolorized solution; (5) concentrate and dry: decolorize the obtained decolorized solution in step (4) at 75 ℃, vacuum degree of -0.08MPa under vacuum vacuum concentration to 55% concentration, and then the concentrated solution is microwave dried at a temperature of 65 ℃, vacuum degree of -0.09MPa, and microwave frequency of...

Embodiment 3

[0036] (1) Hot water extraction: Add 8000 kg of hot water to 800 kg of Luo Han Guo fresh fruit production waste residue, stir and extract at 70°C for 2 hours, and filter to obtain the extract; (2) Microfiltration: Pass the extract obtained in step (1) through a filter with a molecular weight cut-off of 80kDa ceramic membrane, collect ceramic membrane permeate; (3) nanofiltration: pass the ceramic membrane permeate obtained in step (2) through a nanofiltration membrane with a molecular weight cut-off of 3kDa, and collect 7000kg of nanofiltration membrane retentate; (4) Decolorization: Add 14 kg of activated carbon to the nanofiltration membrane retentate obtained in step (3), heat to 60°C, heat and stir for 4 hours, and filter to obtain a decolorizing solution; (5) Concentrate and dry: put the decolorizing solution obtained in step (4) at a temperature of °C, the vacuum degree is -0.07MPa, and the concentration is reduced to 45% under reduced pressure, and then the concentrated ...

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Abstract

The invention relates to a method for separating pectin from fructus momordicae production waste residue. The method comprises: (1) hot water extraction: adding hot water to fructus momordicae production waste residue, carrying out stirring extraction, and filtering to obtain an extraction liquid; (2) micro-filtration: making the extraction liquid obtained in the step (1) pass through a ceramic membrane, and collecting a ceramic membrane permeation liquid; (3) nano-filtration: making the ceramic membrane permeation liquid obtained in the step (2) pass through a nano-filtration membrane, and collecting a nano-filtration membrane trapping liquid; (4) decolorizing: adding active carbon to the nano-filtration membrane trapping liquid obtained in the step (3), heating, carrying out thermal insulation stirring, and filtering to obtain a decolorizing liquid; and (5) concentration drying: carrying out pressure reducing concentration on the decolorizing liquid obtained in the step (4), and carrying out microwave drying to obtain the fructus momordicae pectin. According to the present invention, the fructus momordicae pectin obtained according to the method is light yellow powder, has the total galacturonic acid of more than or equal to 70%, and has excellent pectin quality and excellent pectin content; and the method uses the completely physical treatment method so as to provide advantages of safety, green properyy, and environmental protection.

Description

technical field [0001] The invention relates to a method for separating pectin, in particular to a method for separating pectin from waste residue produced from Luo Han Guo. Background technique [0002] Pectin is a kind of polymer polysaccharide, which has good gelling and emulsifying stabilizing effects. People pay more and more attention to its good functional superiority. It has been widely used in food, medicine, daily chemical and textile industries. [0003] Mangosteen is one of the first batch of precious Chinese herbal medicines with both medicinal and edible uses announced by the Ministry of Health. The purpose of domestic large-scale production and processing of Luo Han Guo is mainly to obtain the most economically valuable natural sweetener mogroside, which is 300 times sweeter than sucrose and does not produce calories. However, with the increasing market demand for mogroside, the annual processing volume of Luo Han Guo is also increasing, and at the same time,...

Claims

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Application Information

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IPC IPC(8): C08B37/06
CPCC08B37/0045
Inventor 李伟龙伟岸黄华学
Owner HUNAN HUACHENG BIOTECH
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