Journal
ANTIBIOTICS-BASEL
Volume 9, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/antibiotics9080518
Keywords
Ferula; GC; essential oils; chemometrics; antioxidant activity; enzyme inhibition
Categories
Funding
- Deanship of Scientific Research at Princess Nourah bint Abdulrahman University through the Fast-Track Research Funding Program
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The differences in the composition of essential oils obtained from the aerial parts of sixFerulaspecies viz.,F. caratavica(Fc),F. kuchistanica(Fk),F. pseudoreoselinum(Fp),F. samarcandica(Fs),F. tenuisecta(Ft) andF. varia(Fv) were detected both qualitatively and semi-quantitatively using GC-MS and GC-FID analyses. One hundred and six metabolites were identified that account for 92.1, 96.43, 87.43, 95.95, 92.90 and 89.48% ofFc,Fk,Fp,Fs,FtandFvwhole essential oils, respectively. The data from the GC-MS analyses were subjected to unsupervised pattern recognition chemometric analysis utilizing principal component analysis (PCA) to improve the visualization of such differences among the six species.FkandFtare very closely related to each other and were gathered together in one cluster. The antioxidant potential was assessed in vitro using different assays including 2,2 '-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) (ABTS), cupric reducing antioxidant capacity (CUPRAC), ferric reducing power (FRAP) and phosphomolybdenum (PM) assays.FtandFpexhibited the most notable antioxidant properties as evidenced by their pronounced activities in most of the antioxidant assays performed, followed byFc.Fkshowed the most effective tyrosinase inhibitory potential, which was estimated as 119.67 mgKAE/g oil, whileFpexhibited the most potent alpha-amylase inhibitory potential, which was equivalent to 2.61 mmol ACAE/g oil. Thus, it was concluded thatFerulaspecies could serve as a promising natural antioxidant drug that could be included in different products and spices to alleviate hyperglycemia and used as a natural ingredient in pharmaceutical cosmetics to counteract hyperpigmentation.
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