In this study, two types of  local plants were chosen, the first is the plant golden pothos  Epipremnum aureum and the second is the Iraqi Sheikh's chin plant Tribulus terrestris L, for the purpose of making a comparison between them in terms of their possession of chemical groups with antioxidant activity in order to use them as a natural alternative to using antioxidants Industrial that cause negative effects on human health, the samples were prepared using the method of water and alcohol extraction (ethanol 70%) for both plants. It revealed the presence of a number of chemical groups (tannins, carbohydrates, phenols, flavonoids, alkaloids) for both plants, the aqueous and alcoholic extracts. Coumarins are only found in the sheikh's chin plant, while steroids are only found in the pothos plant. It was found that the alcoholic extract of the Sheikh's chin plant was best than aqueous extract in terms of antioxidant activity using the DPPH method, as the concentration of 20 mg / ml achieved an effectiveness of 91.2, which is close to control (BHT) 92.3, while the opposite was recorded in the pothos plant as the aqueous extract was better than the alcoholic extract. As the concentration of 20 mg / ml recorded an activity of 89.22, while the alcoholic extract had a significant difference of 65.9, with a significant difference on the level of probability P˂0.01, and for the purpose of demonstrating the efficiency of the process of capturing free radicals of plant extracts, the effective concentration was determined (EC50) and found that the best concentration was achieved to capture 50% of The DPPH complex had an aqueous extract of pothos at 0.5 mg / mL which is very close to the EC50 value for control (vitamin C) followed by the alcoholic extract at 7.75 mg / mL. The Folin-Ciocalteu method was used to find the total content of phenols, it was found that the aqueous extract of the pothos plant had the highest content of phenols as it recorded the highest concentration of 49.33 compared to the alcohol extract 38.05. In contrast to the result of the Sheikh' chin plant, the alcoholic extract recorded the most phenol content at a concentration of 65.11 compared to the aqueous extract which recorded a concentration of 42.15.

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This study is conducted to evaluate the effect of Lycium barbarum extract (Goji berries), Chitosan nanoparticle (ChNPs), titanium dioxide nanoparticle (TiO2 NPs) loaded on Gelatin films in terms of the chemical composition of labneh during different storage periods. The samples were divided into seven treatment procedures, include (T1) non-coated labneh, (T2) labneh coated with Gelatin membranes, (T3) labneh coated with Gelatin membranes and Lycium barbarum extract, (T4) labneh coated with Gelatin films and ChNPs, (T5) labneh coated with Gelatin films treated TiO2 NPs, (T6) Labneh coated with Gelatin films, Lycium barbarum, ChNPs, (T7) Labneh coated with Gelatin films, Lycium barbarum, TiO2 NPs. The results showed that the moisture percentage decreased significantly (p <0.05) untilthe end of the storage period, and treatment T6 was less in the rate of moisture loss (72.35%). It was also found that the ratios of protein, fat, ash, did not show significant differences at the time of one day compared with the two control samples T1 and T2, These percentages increased gradually as the duration of preservation was prolonged and reached their highest values at the time of 14 days. The pH values decreased significantly between (4.36-4.32) at the end of the storage period, compared with the two control samples T1 and T2, which were at 4.16 and 4.23, respectively. It was found that the fatty acid values of all treatments were significantly low compared with the control treatment T1 at the time of one dayThe free fatty acid ratios increased and reached their highest values between (0.29 - 0.32) for all treatments compared with the two control treatments T1 and T2 at the end of the storage period which amounted to (0.39 and 0.35) %.

This study was conducted to evaluate the effect of Lycium barbarum extract, Chitosan nanoparticles (ChNPs) and Nanotitanium dioxide (TiO2 NPs) loaded on Gelatin films on the microbial content of labneh during different storage periods. The samples were divided into seven treatments which included (T1) non-coated labneh, (T2) labneh coated with gelatin membranes, (T3) labneh coated with gelatin membranes and Lycium barbarum extract, (T4) labneh coated with gelatin films and ChNPs, (T5) labneh coated with gelatin films treated TiO2NPs, (T6) Labneh coated with gelatin films, Lycium barbarum and ChNPs, (T7) Labneh coated with gelatin films, Lycium barbarum and TiO2 NPs. The total number of bacteria decreased after loading with the membranes for each specific period of time, and the treatment with T7 was the best, as the total number of bacteria decreased to 9.93 log/gm compared to the two controls (T1, T2), which amounted to (15.58, 13.47 log/gm) after 14 days of storage, respectively. While the numbers of Lipolytic and Proteolytic bacteria, yeasts and molds did not show any growth at the time of one day, with the prolonged storage period, the gradual increase in the total count of bacteria occurred for all treatments, it reached the highest numbers at the time of 14 days. Treatment T7 was the best in reducing the numbers of both lipolytic and proteinolytic bacteria, as well as yeasts and molds.