Comparison of fructan yield of foreign cultivars and indigenous landrace of chicory and optimizing its extraction by response surface method (RSM)

Darjani, Pegah; Hosseini Nezhad, Marzieh; Shorideh, Hadi; Abdollahian-Noghabi, Mohammad; Kadkhodaee, Rassoul; Balandari, Ahmad; Milani, Elnaz

doi:10.22101/JRIFST.2016.01.30.445

Comparison of fructan yield of foreign cultivars and indigenous landrace of chicory and optimizing its extraction by response surface method (RSM)

Document Type : Original Paper

Authors

¹ PhD. Student, Department of Food Processing, Research Institute of Food Science and Technology, Mashhad, Iran

² Assistant Professor, Department of Food Biotechnology, Research Institute of Food Science and Technology, Mashhad, Iran

³ PhD. Student, Department of Agronomy and Plant Breeding, College of Agricultural Sciences and Engineering, University of Tehran, Iran

⁴ Associate Professor, Department of Sugar Technology, Sugar Beet Seed Institute, Karaj, Iran

⁵ Associated Professor, Department of Food Nanotechnology, Research Institute of Food Science and Technology, Mashhad, Iran

⁶ Assistant Professor, Department of Food Processing, Iranian Academic Center for Education Culture and Research (ACECR), Mashhad, Iran

10.22101/JRIFST.2016.01.30.445

Abstract

Chicory plant is known as one of the main sources of industrial and commercial production of inulin. Inulin composition and its functional features depend on various parameters, including genetic characteristics and plant origin, growth environmental conditions and harvesting time, and also extraction method as well as the post extraction methods. The aim of this study was to evaluate native and exotic cultivars of chicory in terms of inulin production efficiency. The Results showed that the efficiency of inulin in indigenous landrace was relatively low while foreign cultivars revealed higher inulin content. By considering the significant difference between root weight and inulin content, foreign genotype (Orchies) was chosen to achieve optimal conditions for extracting inulin-type fructans. Response Surface Methodology and Central Composite Design were employed to investigate the effect of independent variables of time (20 to 60 min), temperature (50 to 80° C) and water to solids ratio (5:1-12:1) on the extraction efficiency. The Results demonstrated that the most effective factors in the efficiency of inulin extraction were temperature and the ratio of water to solids, while, the time had less effect on the extraction process.

Keywords

References

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