The activities of ~-galactosidase, fl-mannosidase and u-mannosidase were determined in extracts from the endosperm and from the embryo of fenugreek seeds at different stages of germination. Endosperm homogenates contained little or no activity of the above enzymes in the early stages of germination
Galactomannan formation and guanosine 5′-diphosphate-mannose: galactomannan mannosyltransferase in developing seeds of fenugreek (Trigonella foenum-graecumL., leguminosae)
✍ Scribed by John Mc A. Campbell; J. S. Grant Reid
- Publisher
- Springer-Verlag
- Year
- 1982
- Tongue
- English
- Weight
- 731 KB
- Volume
- 155
- Category
- Article
- ISSN
- 0032-0935
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When endosperms were isolated from fenugreek seeds 5 h after sowing and incubated in a small volume of water, the development of ~galactosidase activity and the breakdown of the galactomannan storage polysaccharide were both inhibited relative to control endosperms incubated in larger volumes. The i
Some 30% of the reserve material in the fenugreek seed is galactomannan localised in the endosperm; the remainder is mainly protein and lipid in the cotyledons of the embryo. The importance of galactomannan to the germinative physiology of fenugreek has been investigated by comparing intact and endo