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Black seed has been applied for several decades to cure an extensive variety of illnesses and ailments. In this report, the chemical profile of both crude and ozonized black seed oil was assessed after the oil was exposed to 0 to 5 L/minute of ozone for four hours. The in vitro effects of black seed oil following being exposed to ozone including antimicrobial properties versus Bacillus cereus (ATCC11778), Staphylococcus aureus (ATCC6538), Escherichia coli (ATCC8739), Salmonella typhi (ATCC 6539), and Klebsiella pneumoniae (ATCC13883), Candida albicans (ATCC10221), and Aspergillus niger (ATCC16888). Besides, antioxidant effects, anti-inflammatory capacity, and antineoplastic function versus HCT cells were assessed. The chemical profile of ozonized black seed oil showed elevation of essential molecules of oil as well as presence of some characteristic molecules to both forms of oil. Besides, it could be noticed that exposing of oil to ozone improves its antimicrobial activity towards all tested microbes except for C. albicans. Both forms of oil showed no activity towards A. niger. Black seed oil exposed to ozone showed a promising antioxidant capacity with IC 50 of 2.93 ± 0.2 µg/ml. A dramatic improvement in anti-inflammatory impact of ozonized oil as well as its antitumor capacity towards HCT cells could be seen in the laboratory outcomes. The current findings point to a novel method for enhancing some of the in vitro medicinal uses of black seed oil by exposing it to ozone., Competing Interests: Competing interests: The authors declare no competing interests., (© 2024. The Author(s).)

Coconut oil is eatable oil with many nutritional and cosmetic applications. In this investigation coconut oil was subjected to 0 to 5 L/min of ozone for 3 h and the chemical composition of both crude and ozonized oil was valued via Gas Chromatography-Mass Spectrometry (GC–MS). Some biological tests were done including antibacterial action versus Helicobacter pylori, anti-biofilm activity versus H. pylori, anti-hemolytic activity in the existence of H. pylori, anti-Alzheimer action, and cytotoxic effect towards A-413 cancer cell line to determine the activity of coconut oil and upon exposure to ozone. Fifteen compounds were detected in the coconut oil crude and ozonized oils where the fatty acid esters were the most common molecules in crude coconut oil, whereas alkenes were the most predominant compounds in ozonized coconut oil. A slight elevation of antibacterial action towards H. pylori from 23.0 ± 0.1 to 28.2 ± 0.5 mm was displayed upon exposure of the coconut oil to ozone. Both crude and ozonized coconut oil showed a bactericidal effect with MICs = 62.5 ± 0.1, 125.0 ± 0.2 µg/mL and MBCs = 15.62 ± 0.2, 31.25 0.2 µg/mL for crude and ozonized oil, respectively. A significant elevation in anti-biofilm activity was found upon using 25% of MBCs of ozonized oil relative to crude oil. A dramatic rise was observed in anti-hemolytic activity upon using 25 and 75% of MICs of ozonized oil relative to crude one. A notable elevation of anti-Alzheimer impact was evident upon exposing coconut oil to ozone. Besides, the cytotoxic impact towards A-431 cells was slightly increased after exposing the oil to ozone. The current results suggest a new technique to expose coconut oil to ozone to improve some of its in vitro pharmaceutical applications. [ABSTRACT FROM AUTHOR]