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Natural Product Research
Formerly Natural Product Letters
Volume 34, 2020 - Issue 1: Ethnomedicine and Foods sources: novel perspectives. Guest Editor: Nicola Cicero
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Short Communication

Germplasm evaluation to obtain inulin with high degree of polymerization in Mediterranean environment

M.G. MelilliInstitute for Agricultural and Forest Systems in the Mediterranean, National Council of Research, Catania, Italy; Correspondence[email protected]
ORCID Iconhttp://orcid.org/0000-0003-3019-4654
ORCID Icon,
F. BrancaDepartment of Agriculture, Food and Environment (Di3A), University of Catania, Catania, Italy; ORCID Iconhttp://orcid.org/0000-0002-6357-8665
ORCID Icon,
C. SillittiInstitute for Agricultural and Forest Systems in the Mediterranean, National Council of Research, Catania, Italy; ORCID Iconhttp://orcid.org/0000-0003-3019-4654
ORCID Icon,
S. ScandurraInstitute for Agricultural and Forest Systems in the Mediterranean, National Council of Research, Catania, Italy; ORCID Iconhttp://orcid.org/0000-0001-5024-6373
ORCID Icon,
P. CalderaroInstitute for Agricultural and Forest Systems in the Mediterranean, National Council of Research, Catania, Italy; ORCID Iconhttp://orcid.org/0000-0001-9479-4443
ORCID Icon &
V. Di StefanoDepartment of Biological, Chemical, and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, Palermo, ItalyORCID Iconhttp://orcid.org/0000-0002-4483-2058
ORCID Icon
Pages 187-191 | Received 04 Apr 2019, Accepted 24 Apr 2019, Published online: 28 May 2019
 
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Abstract

Long-chain length (DP) inulin-type fructans show pronounced beneficial effects to colon microbiota. In the past, cardoon roots for inulin production to fortify spaghetti gave very good results, but their harvest requires high costs. The aim of the work was to evaluate different types of inulin, extracted from cardoon roots and buds, topinambur tubers and chicory roots local populations in order to identify crops more suitable for high DP inulin production in Mediterranean environment. The inulin amount resulted in 115 (chicory), 390 (cardoon) and 550 g kg−1 of d.m. (topinambur). Both in cardoon roots and in topinambur tubers the DP was very high. With the aim to produce a functional food, substituting inulin in staple food tubers of topinambur could be a good alternative to cardoon roots, due to the biological cycle of the plant (annual vs poliennal), the lowest costs of harvest and the good amounts of high DP inulin.

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