The present invention generally relates to the field of membranes. In particular, the present invention relates to a composition comprising bodies surrounded by a membrane. The composition are for example edible compositions. One embodiment of the present invention relates to a composition containing an oily fraction, a hydrophilic fraction, and at least one body, wherein the body comprises a shell comprising several molecular layers of protein and at least one phosphatidic acid surfactant； and a content comprising an internal phase containing a hydrophilic component and/or a hydrophobic component. The composition may be used to protect a food product or to deliver specific properties to a product, for example.
