The present invention discloses microcapsules that are stable in acidic aqueous systems. The microcapsules may be utilized to protect a hydrophobic substance. The microcapsules may be utilized in acidic food products. The microcapsule includes at least one hydrophobic substance and a layer around the at least one hydrophobic substance. The layer includes protein aggregates and a negatively charged polymer having blockwise charges such as pectin. Methods for producing the microcapsules are also disclosed here.