Volatile organic composition of five Rubiaceae species: Insights into their phytochemical diversity

Xu, Ziyue; Zhu, Jiadong; Zhao, Jiayi; Zhu, Lingfan; Liu, Xu

doi:10.1016/j.bse.2024.104809

Cited by 1 publication

(2 citation statements)

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“…These results indicate that S. alata could be classified as a fatty acid chemotype. As previously reported, essential oils from other Spermacoce plants, such as S. pusilla , contained main compounds including palmitate (25.09%), oleic acid (7.78%), humulene (6.19%), and humulene oxide II (6.08%) [ 41 ], which also exhibited a notable abundance of fatty acids and esters. However, the main components of S. verticillata essential oil were phytol (56.30%), 1,8-cineole (20.40%), α-pinene (7.10%), and p-cymene (4.00%).…”

Section: Resultsmentioning

confidence: 86%

“…In previous studies of the Rubiaceae family plants, the yields of the essential oils of R. tinctorum , C. glabra , and P. leiocarpa were 0.10 mL/kg, 0.08 mL/kg, 0.10 mL/kg, respectively [ 38 , 39 , 40 ]. Moreover, the latest study found that five species of Rubiaceae plants yielded 0.24 mL/kg, 0.32 mL/kg, 0.08 mL/kg, 0.05 mL/kg, and 0.30 mL/kg, respectively [ 41 ]. Collectively, the yield of our essential oil is similar to those mentioned above, which is consistent with the Rubiaceae-characteristic yield.…”

Section: Resultsmentioning

confidence: 99%

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Spermacoce alata Aubl. Essential Oil: Chemical Composition, In Vitro Antioxidant Activity, and Inhibitory Effects of Acetylcholinesterase, α-Glucosidase and β-Lactamase

Zhu,

et al. 2024

Molecules

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Spermacoce alata Aubl. is widely available in the market as traditional Chinese medicine and animal feed, due to its properties of clearing heat and treating malaria and its high-protein and crude fiber content. In this study, the essential oil of S. alata was obtained through hydrodistillation. GC–MS and GC–FID methods were used to identify the chemical components and their relative abundance. Furthermore, the antioxidant capacity was measured using DPPH, ABTS, and FRAP assays, and the inhibitory effects of acetylcholinesterase, α-glucosidase, and β-lactamase were also evaluated. A total of 67 compounds were identified, with the major constituents being palmitic acid (30.74%), linoleic acid (16.13%), and phenylheptatriyne (8.07%). The essential oil exhibited moderate antioxidant activity against DPPH (IC50 > 10 mg/mL), while the IC50 value for the ABTS assay was 3.84 ± 2.12 mg/mL and the FRAP assay value was 87.22 ± 12.22 µM/g. Additionally, the essential oil showed moderate anti-acetylcholinesterase activity (IC50 = 286.0 ± 79.04 μg/mL), significant anti-α-glucosidase activity (IC50 = 174.7 ± 13.12 μg/mL), and potent anti-β-lactamase activity (IC50 = 37.56 ± 3.48 μg/mL). The results suggest that S. alata has the potential for application in pharmacology, warranting further exploration and investigation.

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Section: Resultsmentioning

confidence: 86%