"And, thus, limiting the next decision by referring to a policy rate adjustment of lower magnitude implies a high and costly risk of correction if the assumptions do not materialize," she said.
In the minutes, board members underscored their concern over core inflation, which strips out some volatile food and energy prices, even as headline inflation has eased.
"Most members pointed out that core inflation, which reflects inflation's trend more accurately, still does not show a downward trend.
All five board members expressed concern that core inflation was more persistent than expected.
The latest inflation data, released on Thursday, showed a slight easing, with annual core inflation down to 8.38% in the first half of February from 8.46% in the second half of January.