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Enzyme activities in various regions of mature leaves of A. deserti
| Enzyme | Sample | Activity |
|---|---|---|
| nmol mg−1 protein min−1 | ||
| Fructosyltransferases | Chlorenchyma | nda |
| Vascular tissues | 14.6 ± 2.0 | |
| Fructan hydrolases | Phloem sap | 260 ± 27 |
| Suc synthase | Chlorenchyma | 14.1 ± 1.5 |
| Acid invertase | Chlorenchyma | 3.0 ± 3.0 |
| Phloem sap | nd | |
| Alkaline invertase | Chlorenchyma | 1.1 ± 1.0 |
| Phloem sap | nd |
Data are means ± se; n = 4 plants.
nd, Not detected.
