ISHS Acta Horticulturae 585: VIII International Rubus and Ribes Symposium
FATTY ACID COMPOSITION IN SEEDS OF BLACKCURRANT GENOTYPES |
| Authors: | M.L. Ruiz del Castillo, G. Dobson, R.M. Brennan, S.L. Gordon |
| Keywords: | Alpha-linolenic acid, blackcurrant seed oil, fatty acids, gamma-linolenic acid, Ribes nigrum, stearidonic acid |
| Abstract:
The fatty acid composition of the seeds from 36 blackcurrant genotypes was examined to determine the range of GLA contents. Other nutritionally important fatty acids,  -linolenic acid (ALA) and stearidonic acid (SA), were also examined.
A rapid small-scale procedure, involving homogenisation of seeds in toluene followed by sodium methoxide transesterification and gas chromatography, was used.
A comparison of the proposed method with a large-scale procedure was included.
The GLA content varied from 11 to 24%, and three genotypes showed particularly high levels (22-24%), previously not reported for blackcurrant oil.
ALA and SA contents varied from 10-19% and 2-4%, respectively.
The study shows the validity of the use of the rapid small-scale method and the potential for developing blackcurrant cultivars with “added value”.
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