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  • Title: [Perfection of an experimental schedule for the quantitative evaluation of trans-abscissic acid by biological tests].
    Author: Barthe P, Le Page-Degivry MT, Bulard C.
    Journal: C R Acad Hebd Seances Acad Sci D; 1976 Nov 08; 283(11 D):1297-9. PubMed ID: 136315.
    Abstract:
    Using gas-liquid chromatography, we have studied the kinetics of the isomerization from trans-ABA to cis-ABA under the effect of short ultraviolet-light (254 nm). At first, for a given volume, the conditions required to reach 50% isomerization were determined. Then the method was adapted to the use of extracts. It is thus possible to estimate the amount of trans-ABA in extracts with a suitable biological test.
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