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Table 7 Comparative estimates of the relative polysaccharide composition of onion epidermal walls by different methods

From: Saccharide analysis of onion outer epidermal walls

Column mTFA/S/HPAEC-PAD GC/MS ssNMR
A B C D Average Merge  
Cellulose 17 28 11 14 18 19 28
HG* 49 44 57 58 52 52 44
Galactan 12 10 12 10 11 12 8
Xyloglucan 12 11 9 10 11 13 6
RGI* 4 3 5 3 4 3 6
Arabinan 2 2 3 2 2 2 6
  1. These estimates are based on weight % of total saccharides in each analysis, except for ssNMR column which are based on relative 13C content
  2. HG*, homogalacturonan, RG1*, Rhamnogalacturonan I