From:  Inulin: functional ingredients in food industry, extraction, and health applications—a comprehensive review

 Inulin in plant sources.

Plant sourcePlant partInulin content
(%, fresh weight)
Degree of polymerizationReferences
*Jerusalem artichokeTuber16–202–35[1517]
Chicory rootsRoots14–907–15[15, 1820]
DahliaTuber4213–23[19, 21]
GarlicBulb9–1736[22, 23]
JicamaTuber2136[24, 25]
**AgaveLeaves48–7825–34[26, 27]
OnionBulb2–44.1[28]
YaconTuber2–42–10[29, 30]

* The reported values represent ranges described in the cited studies and may vary depending on cultivar, processing conditions, extraction method, and the basis of calculation. ** Reported inulin content obtained under different ultrasound-assisted extraction conditions.