Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for combined production of essential oil, pigment, pectin and flavone from orange peel

A technology for orange peel and essential oil is applied in the fields of pigments, co-production of essential oils, pectin and flavonoids to achieve the effects of low cost, simple equipment and large output

Inactive Publication Date: 2012-07-25
ZHEJIANG NORMAL UNIVERSITY
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, domestic research on the development and utilization of citrus peels is still in its infancy.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1, a kind of method of co-producing essential oil, pigment, pectin, flavonoids from orange peel, carries out following steps successively:

[0039] 1), the extraction of orange peel essential oil:

[0040] Choose fresh citrus peels from Zhejiang, weigh 100g accurately, crush them, pass through a 40-mesh sieve, add 1.2L of NaCl aqueous solution with a mass concentration of 4.5%, distill and extract for 60min, and separate water and oil from the obtained extract to obtain a total of 3300 μL of essential oil, namely , the yield of essential oil was 33 μL / g.

[0041] After refining by conventional molecular distillation, 2800 μL of pure essential oil was obtained, that is, the purity of the essential oil obtained in the present invention was 84.85%.

[0042] 2), the extraction of orange peel pigment:

[0043] The orange peel after extracting the essential oil obtained in step 1) was dried at 55° C. to a constant weight to obtain dried orange peel I. Accurately ...

Embodiment 2

[0053] Embodiment 2, a kind of method of co-producing essential oil, pigment, pectin, flavonoids from orange peel, carry out following steps successively:

[0054] 1), the extraction of orange peel essential oil:

[0055] Choose fresh citrus peel from Zhejiang, weigh 100g accurately, crush through 40 mesh, add 1L of NaCl aqueous solution with a mass concentration of 5.5%, distill and extract for 90min, and separate water and oil from the obtained extract to obtain a total of 3105 μL of essential oil, that is, the essential oil is The rate was 31.05 μL / g.

[0056] After refining by molecular distillation, 2300 μL of pure essential oil was obtained, that is, the purity of the essential oil obtained in the present invention was 85.19%.

[0057] 2), the extraction of orange peel pigment:

[0058] The orange peel after extracting the essential oil obtained in step 1) was dried at 55° C. until constant weight to obtain the dried orange peel I. Accurately weigh 50 g of the above-me...

Embodiment 3

[0068] Embodiment 3, a kind of method of co-producing essential oil, pigment, pectin, flavonoids from orange peel, carries out following steps successively:

[0069] 1), the extraction of orange peel essential oil:

[0070] Choose fresh citrus peel from Zhejiang, weigh 100g accurately, crush through 40 mesh, add 1.4L of NaCl aqueous solution with a mass concentration of 3.5%; distill and extract for 45min; separate water and oil from the obtained extract, and obtain a total of 2996 μL of essential oil, that is, essential oil The yield was 29.96 μL / g.

[0071] After refining by molecular distillation, 2150 μL of pure essential oil was obtained, that is, the purity of the essential oil obtained in the present invention was 84.31%.

[0072] 2), the extraction of orange peel pigment:

[0073] The orange peel after extracting the essential oil obtained in step 1) was dried at 55° C. to constant weight to obtain dried orange peel I. Accurately weigh 50 g of the above-mentioned dri...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for combined production of essential oil, pigment, pectin and flavone from orange peels, comprising the following steps: 1) crushing orange peels and adding NaCl aqueous solution for extraction by distillation, and carrying out water-oil separation on the obtained extract so as to obtain essential oil; 2) drying the orange peels, adding ethanol for leaching, and carrying out centrifugation or filtering on the leaching liquor, followed by condensation and drying so as to obtain pigment; 3) drying the orange peels, adding an acid solution for leaching, carrying out pumping filtration, and adding ethanol into the obtained filtrate for deposition so as to obtain pectin; 4) drying filter residues and adding distilled water for leaching, and carrying out centrifugation or filtering on the leaching liquor, followed by condensation and drying so as to obtain flavone. The method provided in the invention enables combined production of essential oil, pigment, pectin and flavone from orange peels.

Description

technical field [0001] The invention relates to a method for co-producing essential oil, pigment, pectin and flavone from orange peel. Background technique [0002] Citrus is one of the famous fruits in China. The national annual output of citrus exceeds 10 million tons, ranking first in the world. However, its short industrial chain seriously hinders the sustainable and efficient development of the citrus industry. Change the concept, change from the emphasis on citrus fresh food in the past to the processing-centered track of the citrus industry, follow the development trend of the international citrus industry, increase the extension of the industrial chain, develop a series of new products, improve industrial efficiency, and make my country's citrus industry comprehensive. Strength to a new level, thus forming a modern citrus industrial system is imminent. Citrus pomace is a by-product of the citrus industry, accounting for 40%-50% of fresh fruit, and contains rich nutri...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/06C11B9/02C09B61/00C07H17/07C07H1/08
Inventor 王芳淡小艳刘华
Owner ZHEJIANG NORMAL UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com