Chemical Details Sample Origin

SAMPLE PREP./SIZE PYROL. CONDITIONS TOTAL ION COUNTS

ARABINAN (from apple juice)

poly[(l->5)£Araa]; see insert in spectrum gift from Dr. A.G.J. Voragen, Agricult. Univ. Wageningen, The Netherlands suspension in methanol, 10 yg standard

REMARKS - Note the high relative intensities of the peaks at m/z 112 and 114. Especially m/z 114 appears to be characteristic of pentose residues (e.g. compare with Spectrum C.l (RNA)).

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