Galactooligosaccharides of seeds during growth of Phaseolus coccineus L. and Phaseolus vulgaris L. beans

Ryszard Kosson


The quantitative changes of raffinose and stachyose in seeds of Phaseolus coccineus L. and Phaseolus vulgaris L. during their growth and maturation in a two year experiment were investigated. Trace amounts of raffinose were found in Ph. vulgaris seeds during their vegeta tive growth in 1990. Time of raffinose accumulation in seeds in 1991 began not earlier than on 33rd day since inflorescence. Stachyose started to accumulate in seeds between 33rd and 47th day after inflorescence of all tested cultivars. It was noticed that stachyose and raffinose contents in seeds of most tested cultivars after ten years of storage did not differ significantly when compared to not stored ones.

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Polish Botanical Society