Acetylcholinesterase inhibitory, antioxidant, and antimicrobial activities of Salvia tomentosa Mill. essential oil

Journal Title: Journal of BioScience and Biotechnology - Year 2015, Vol 4, Issue 2

Abstract

 Chemical composition and bioactivity of essential oil from Salvia tomentosa Mill. natively grown in Bulgaria were investigated. GC-MS analysis identified 60 compounds which represented 98% of the oil constituents. The prevalent constituents were monoterpenes with eight dominant compounds being identified: borneol (10.3%), β-pinene (9%), camphor (7.9%), α-pinene (6%), camphene (4%), 1.8-cineole (3.8%), α-limonene (3.5%) and β-caryophyllene (3%). The essential oil showed considerable acetylcholinesterase inhibitory activity (IC50=0.28±0.06 µg/mL), comparable with that of galanthamine. Study of antioxidant activity strongly suggested that the hydrogen atom transfer reaction was preferable over the electron transfer (ORAC=175.0±0.40 µM Trolox equivalents/g oil and FRAP=1.45±0.21 mM Trolox equivalents/g oil). The essential oil showed moderate antifungal and antibacterial activities against Candida albicans and Gram-positive bacteria, whereas it was almost inactive against the investigated Gram-negative strains. The results suggested that the essential oil of Bulgarian S. tomentosa could be considered as a prospective active ingredient for prevention of oxidative stress-related and neurodegenerative disorders in aromatherapy. Because of the high antioxidant capacity, the oil could be considered as natural supplement or antioxidant in cosmetics and food products.

Authors and Affiliations

ANDREY MARCHEV, IVAN IVANOV, PETKO DENEV, MILENA NIKOLOVA, VELIZAR GOCHEV, ALBENA STOYANOVA, ATANAS PAVLOV, VASIL GEORGIEV

Keywords

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  • EP ID EP122345
  • DOI -
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How To Cite

ANDREY MARCHEV, IVAN IVANOV, PETKO DENEV, MILENA NIKOLOVA, VELIZAR GOCHEV, ALBENA STOYANOVA, ATANAS PAVLOV, VASIL GEORGIEV (2015).  Acetylcholinesterase inhibitory, antioxidant, and antimicrobial activities of Salvia tomentosa Mill. essential oil. Journal of BioScience and Biotechnology, 4(2), 219-229. https://europub.co.uk./articles/-A-122345