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Summary Pomegranate seed oil (PSO) contains many bioactive materials including antimicrobials, antioxidants, tocopherol and unsaturated fatty acids such as punicic acids. Utilising PSO with nanotechnological ways is a novel approach. Therefore, in this study, PSO‐loaded nanomats having an average diameter of 327 nm with 97.6% encapsulation efficiency were produced. Then, the protection potential of nanomats was determined in terms of the microbial and oxidative deterioration of food samples. On the 1st day of storage, the TMAB load of the control kashar cheese was 4.35 log CFU g−1, while it was 3.05 log CFU g−1 in the coated cheese (change: 1.3 logs). On the 20th day of storage, the TMAB load of the CK sample and PSc sample was 5.52 and 4.22 log CFU g−1, respectively (change: 1.3 logs). For fish fillets, nanoencapsulated PSO enabled a bacterial reduction of 1.22 log cycles after 9 days of storage. The total mould and yeast number of cheese samples increased during storage, but the increase was lower in the coated group. Nanomats also increased the oxidative stability of food samples. Thiobarbituric acid values of coated samples were lower than uncoated samples.

Malatya cheese is generally produced and consumed in Malatya province of Turkey.The starter culture is not used in the production of this cheese. It is traditionally made from raw cow or sheep milk or a mixture of them. This study aims to determine some characteristics parameters (the antioxidant activity, mineral composition, chemical, biochemical and textural properties) of Malatya cheese and therefore, 25 samples purchased from retail markets in Malatyawere analysed. The antioxidant capacity of the water-soluble extracts was detected using DPPH (2,2-diphenyl-1-picrylhydrazyl) and ABTS (2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)) methods, mineral composition of samples prepared by dry ash method were determined using Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES). This samples were generally different from each other according to the chemical, biochemical and textural properties; however, some interesting similarities were identified. Besides, the mineral compositions and antioxidant activities in cheese samples were determined higher than expected. In conclusions, the production method and ripening conditions may play a decisive effect on some basic properties of the cheeses investigated.