Cited by 345Polysaccharides and Plant Cell WallsPolysaccharides Composition and ApplicationsAgricultural and Biological Research

Optimization of microwave assisted extraction of pectin from orange peel

Prakash Maran, J., Sivakumar, V., Thirugnanasambandham, K., Sridhar, R.·2013·Carbohydrate Polymers

Abstract

In this study, microwave-assisted extraction was applied for pectin extraction from the dried orange peel and Box-Behnken response surface design was used to study and optimize the effects of processing variables (microwave power, irradiation time, pH and solid-liquid ratio) on the yield of pectin. The amount of pectin extracted increased with increasing microwave power, while it reduces as the time, pH and solid-liquid ratio increased. From the results, second order polynomial model was developed and it adequately explained the data variation and significantly represented the actual relationship between independent variables and the response. An optimization study using Derringer's desired function methodology was performed and optimal conditions based on both individual and combinations of all independent variables (microwave power of 422W, irradiation time of 169 s, pH of 1.4 and solid-liquid ratio of 1:16.9 g/ml) were determined with maximum pectin yield of 19.24%, which was confirmed through validation experiments.

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Crossref · 10.1016/j.carbpol.2013.05.052

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  • The lack of fit (p = 0.032) indicates that the mathematical model can be used to predict the responses.

    “The lack of fit, presenting a value of p = 0.032, indicates that the mathematical model can be used to predict the responses [38].”
  • Applying a higher voltage raises the temperature of the system because of higher microwave transmission, thus accelerating the heating process.

    “The application of a higher voltage will raise the temperature of the system because of the higher microwave transmission, thus accelerating the heating process [38,39].”
  • At voltages above 70 V, the extraction temperature is high enough and azadirachtin is thermally degraded, because azadirachtin is a thermolabile compound.

    “Therefore, it is expected that under these conditions, the extraction temperature is high enough and the metabolite is thermally degraded, since azadirachtin is a thermolabile chemical compound [26,38,39].”

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Authors
Prakash Maran, J., Sivakumar, V., Thirugnanasambandham, K., & Sridhar, R.
Corresponding author
Sivakumar, V.
Venue
Carbohydrate Polymers
Publisher
Elsevier BV
Published
2013-09
Volume
97
Issue
2
Pages
703-709
ISSN
0144-8617 (ISSN-L)
OpenAlex
W2085086781
Cited by
345
References
0
Citations by year
2026: 17 · 2025: 29 · 2024: 36 · 2023: 27 · 2022: 35 · 2021: 34 · 2020: 34 · 2019: 29 · 2018: 26 · 2017: 26 · 2016: 17 · 2015: 14 · 2014: 16 · 2013: 5
FWCI
20.89
Type
journal article
Language
en
Open access
closed
Locations
  • Carbohydrate Polymers (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Polysaccharides and Plant Cell Walls
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Agricultural and Biological Research
Keywords
pectin extraction, orange peel, microwave-assisted extraction, extraction optimization, Box-Behnken design, Derringer desirability function, microwave power, irradiation time, pH, solid-to-liquid ratio, pectin yield
MeSH terms
Analysis of Variance, Biotechnology, Hydrogen-Ion Concentration, Microwaves, Models, Theoretical, Pectins, Regression Analysis, Time Factors, Reproducibility of Results, Citrus sinensis

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