期刊
NATURAL PRODUCT RESEARCH
卷 33, 期 15, 页码 2276-2280出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2018.1497032
关键词
S. paniculatum; volatile oil; linoleic acid; citronellol; thymol; antioxidant
资金
- University of Fort Hare
- South Africa Medical Research Council
- GMRDC
Syzygium paniculatum Gaertn of the family Myrtaceae is a medicinal and aromatic plant. The hydrodistilled volatile oil (VO) from the aerial parts was characterised by GC-MS and Kovat's index, while the antioxidant property was investigated using spectrophotometric techniques. Antioxidant capacities of the aerial parts VOs range from 0.12 to 0.93 mg/mL in scavenging 2, 2-diphenyl-1-picrylhydrazyl radicals (DPPH center dot). Overall, 75 and 67 compounds were identified from the summer and winter VOs, respectively. The main compounds were alpha-pinene (33.13%), n-hexadecanoic acid (19.14%), limonene (14.26%), farnesol (14.21%), beta-ocimene (13.04%), citronellol (12.67%), linoleic acid (11.50%), octahydro-1,4-dimethyl azulene (11.57%), citral (9.91%), phytol (5.07%), linolenic acid (4.85%) and thymol (2.23%). The bioavailability of citronellol, thymol, beta-ocimene and linoleic acid, used as bactericidal, fungicidal and antioxidant agents in cosmetics and perfumery, suggests S. paniculatum potential as a natural food flavouring and source of antibiotics in this era of emerging multi-drug-resistant pathogens. [GRAPHICS] .
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