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Table 2 Summary of major suberin moieties found in particular plant species and tissues and associated references

From: Importance of suberin biopolymer in plant function, contributions to soil organic carbon and in the production of bio-derived energy and materials

Plant species Tissues Suberin moieties Method, references
Tomato, nectarine, apple Cuticle C16–C22 fatty acids, α,ω-diacids, ω-hydroxy acids, aliphatic alcohols, epoxy-substituted acids MALDI-MS [56]
Potato Peel Wastes C12–C30 fatty acids, α,ω-diacids, ω-hydroxy acids, aliphatic alcohols, hydroxycinnamic acids Py-GC/MS [150]
Quercus suber Cork (bark) C22–C28 fatty alcohols, C14–C26 fatty acids, C16–C26, ω-mono and di-hydroxy acids, C7–C26 α,ω-diacids, epoxy acids, phenolics (primarily ferulic, benzoic, coumaric and vanillic acids), glycerol, tri- and di-glyceride structures GC/MS, NMR [9, 46, 53, 59]
Birch Bark C16–C22 hydroxylated fatty acids, α,ω-diacids, ferulic acid GC/MS, NMR [143]
Quercus robur, Q. ilex, Q. suber, Fagus sylvatica, Castanea sarica, Betula pendula, Acer griseum, Fraxinus excelsior, Acer pseudoplatanus, Ribes nigrum, Euonymus alatus, Populus tremula, Solanum tuberosum, Sambucus nigra, Laburnum anagyroides, Cupressus leylandii Cork, bark Aliphatic alcohols, C16–C32 fatty acids, ω-mono and di-hydroxy acids (C16–C26), α,ω-diacids, epoxy-substituted acids (C18) GC/MS [11]
Root vegetables (beet, parsnip, carrot, sweet potato, rutabaga, turnip) Skin C14–C32 fatty acids, C15–C24 α,ω-diacids, C16–C28 ω-hydroxy acids, C18–C30 aliphatic alcohols GC/MS [10]
Soil   α,ω-acids, ω-hydroxy acids, C16–C34 fatty acids, aliphatic alcohols, coumaric and ferulic acids Py-GC/MS [12, 64], Py-FIMS [60], GC/MS [65]
Sycamore, spruce, cork Bark C14–C26 fatty acids, α,ω-diacids, hydroxy acids, aliphatic alcohols, ferulic acid, benzoic acid GC/MS [138]