A method for processing, in container means (2, 3, 8), a vegetable product containing a solid part suspended in a liquid part, comprises controlling the pressure of a gas in said container means (2, 3, 8) for modifying the specific weight of said solid part, so as to prevent said solid part from floating on said liquid part until drying; an apparatus comprises timing means (100) arranged for opening and/or closing, in a cyclical manner, venting means (10; 12) comprised in an operating chamber (13) of a vinifying apparatus (1), so as to alternatively make said operating chamber (13) communicate with an external environment and/or separate said operating chamber (13) from said external environment and consequently decrease and/or increase a pressure of a gas in said operating chamber (13).
