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引用次数: 4
摘要
摘要本研究的目的是比较碧萝芷和碧萝芷精油的化学成分及抑菌和抗氧化活性。菝葜地上部位精油的主要成分为顺式asarone(62.5%)和widdra2,4(14)-二烯(9%)，菝葜种子精油的主要成分为榄香素(60.1%)和石竹烯氧化物(9.8%)。其中含有α-费蓝烯(25.5%)、对伞花烯(15.3%)和柠檬烯(13.3%)。松柏挥发油的抑菌带直径显著高于其他两种松柏挥发油(p<0.05)。肉汤稀释试验(µL/mL)中，对棘圆霉属(P. spinosa, P. flabellifolia)敏感的微生物为黑曲霉，其次为白色念珠菌。在2,2-二苯基-1-苦味酰肼(DPPH)体系中，刺骨草挥发油(IC50=548µg/mL)的抗氧化活性高于其他两种挥发油。
The chemical composition, antimicrobial, and antioxidant activities of Pycnocycla spinosa and Pycnocyla flabellifolia essential oils
Abstract The purpose of our study was to compare the chemical compositions and antimicrobial and antioxidant activities of Pycnocycla spinosa and Pycnocycla flabellifolia essential oils. cis-Asarone (62.5%) and widdra-2,4(14)-diene (9%) were the main components of P. spinosa aerial part essential oil, while elemicin (60.1%) and caryophyllene oxide (9.8%) were the main components of P. spinosa seed essential oil. α-Phellandrene (25.5%), p-cymene (15.3%), and limonene (13.3%) were found in P. flabellifolia essential oil. The inhibition zone diameters for P. flabellifolia essential oil were significantly higher than for the two other essential oils from P. spinosa (p<0.05). In broth dilution assay (µL/mL), the sensitive microorganism to Pycnocycla sp. (P. spinosa, P. flabellifolia) was Aspergillus niger, followed by Candida albicans. In 2,2-diphenyl-1-picrylhydrazyl (DPPH) system, P. spinosa aerial parts essential oil (IC50=548 µg/mL) had higher antioxidant activity than that of two other essential oils.
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