Nadeem Ali, Shahzad Hira, Ahmed Bashir, Muntean Tudor, Waseem Maaz, Tabassum Aisha
Plant Pathology Lab, Department of Biological Sciences, International Islamic University, Islamabad, Pakistan.
Department of Plant Biology, Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, United States.
Front Plant Sci. 2022 Sep 26;13:969316. doi: 10.3389/fpls.2022.969316. eCollection 2022.
Traditional and phytochemical studies have confirmed the richness and diversity of medicinal plants such as (), but more studies are needed to complete its metabolite profiling. The objective of this research was to enhance the metabolomic picture and bioactivity of for better evaluation. Phytochemical analysis was performed by bio-guided protocols and gas chromatography-mass spectrometry (GC/MS). For this, solvents such as methanol, ethanol, water, acetone, and hexane were used to extract a wide number of chemicals. Antibacterial analysis was performed using the 96-well plate test, Kirby Bauer's disk diffusion method, and the resazurin microdilution test. Antioxidant activity was determined by the DPPH assay and radical scavenging capacity was evaluated by the oxygen radical absorbance capacity (ORAC) assay. GC/MS analysis revealed a total of 247 identified and 127 novel metabolites from all extracts of . Water and acetone extracts had the highest identified metabolites ( = 79), whereas methanol extract was the highest in unidentified metabolites ( = 48). The most abundant phytochemicals in methanol extract were 1-isopropylcyclohex-1-ene (concentration = 27.376) and bicyclo [2.2.1] heptan-2-one (concentration = 20.437), whereas in ethanol extract, it was 9,12,15-octadecatrienoic acid (concentration = 27.308) and 1-isopropylcyclohex-1-ene (concentration = 25.854). An abundance of 2 methyl indoles, conhydrin, and coumarin was found in water extracts; a good concentration of eucalyptol was found in acetone extract; and 7,9-di-tert-butyl-1-oxaspiro is the most abundant phytochemicals in hexane extracts. The highest concentration of flavonoids and phenols were identified in hexane and methanol extracts, respectively. The highest antioxidant potential (DPPH assay) was observed in acetone extract. The ethanolic extract exhibited a two-fold higher ORAC than the methanol extract. This examination demonstrated the inhibitory effect against a set of microbes and the presence of polar and non-polar constituents of . The results of this study provide a safe resource for the development of food, agriculture, pharmaceutical, and other industrial products upon further research validation.
传统研究和植物化学研究已经证实了诸如()等药用植物的丰富性和多样性,但仍需要更多研究来完善其代谢物谱。本研究的目的是增强()的代谢组学图景和生物活性,以便进行更好的评估。采用生物导向方案和气相色谱 - 质谱联用(GC/MS)进行植物化学分析。为此,使用甲醇、乙醇、水、丙酮和己烷等溶剂来提取大量化学物质。采用96孔板试验、柯氏纸片扩散法和刃天青微量稀释试验进行抗菌分析。通过DPPH测定法测定抗氧化活性,并通过氧自由基吸收能力(ORAC)测定法评估自由基清除能力。GC/MS分析从()的所有提取物中总共鉴定出247种已知代谢物和127种新代谢物。水提取物和丙酮提取物中鉴定出的代谢物最多( = 79),而甲醇提取物中未鉴定出的代谢物最多( = 48)。甲醇提取物中最丰富的植物化学物质是1 - 异丙基环己 - 1 - 烯(浓度 = 27.376)和双环[2.2.1]庚 - 2 - 酮(浓度 = 20.437);乙醇提取物中则是9,12,15 - 十八碳三烯酸(浓度 = 27.308)和1 - 异丙基环己 - 1 - 烯(浓度 = 25.854)。在水提取物中发现大量的2 - 甲基吲哚、毒芹碱和香豆素;在丙酮提取物中发现较高浓度的桉叶油素;在己烷提取物中7,9 - 二叔丁基 - 1 - 氧杂螺是最丰富的植物化学物质。己烷提取物和甲醇提取物中分别鉴定出最高浓度的黄酮类化合物和酚类化合物。丙酮提取物中观察到最高的抗氧化潜力(DPPH测定法)。乙醇提取物的ORAC值比甲醇提取物高两倍。这项研究证明了()对一组微生物的抑制作用以及极性和非极性成分的存在。本研究结果为进一步研究验证后开发食品、农业、制药和其他工业产品提供了一种安全资源。