We study total muon capture rates in light(A similar to 6-18) nuclei, taking into account renormalizations of the nuclear vector and axial vector strengths. We estimate the influence in the results of uncertainties of the spin-isospin interaction parameter g' and nuclear densities. A few of these reactions are theoretical benchmarks for physics involving searches for neutrino oscillations. New experiments in muon capture in several targets are suggested, in the Light of some discrepancies with theory, crudeness of some experimental results and relevance to neutrino physics. (C) 1998 Published by Elsevier Science B.V. All rights reserved.