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The two loop (NLO) diagrams with quark content contributing to the gluonRegge trajectory are computed within the framework of Lipatov's effectiveaction for QCD, using the regularization procedure for longitudinaldivergencies recently proposed by two of us inhttp://arXiv.org/abs/arXiv:1110.6741. Perfect agreement with previous resultsin the literature is found, providing a robust check of the regularizationprescription and showing that the high energy effective action is a very usefulcomputational tool in the quasi-multi-Regge limit.

Quark contribution to the gluon Regge trajectory at NLO from the high energy effective action