Cited by 330Medicinal Plant ResearchPhytochemistry and Biological ActivitiesPhytochemicals and Antioxidant Activities

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In Vitro Anti-Inflammatory Properties of Selected Green Leafy Vegetables

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Abstract

The study investigated the anti-inflammatory activity of the hydro methanolic extract of six leafy vegetables, namely Cassia auriculata, Passiflora edulis, Sesbania grandiflora, Olax zeylanica, Gymnema lactiferum, and Centella asiatica. The anti-inflammatory activity of methanolic extracts of leafy vegetables was evaluated using four in vitro-based assays: hemolysis inhibition, proteinase inhibition, protein denaturation inhibition, and lipoxygenase inhibition. Results showed that the percent inhibition of hemolysis from these leaf extracts (25–100 µg/mL dry weight basis (DW)) was within the range from 5.4% to 14.9%, and the leaves of P. edulis and O. zeylanica showed a significantly higher (p < 0.05) inhibition levels. Percent inhibition of protein denaturation of these leafy types was within the range of 36.0–61.0%, and the leaf extract of C. auriculata has exhibited a significantly higher (p < 0.05) inhibition level. Proteinase inhibitory activity of these leaf extracts was within the range of 20.2–25.9%. The lipoxygenase inhibition was within the range of 3.7–36.0%, and the leaf extract of G. lactiferum showed an improved ability to inhibit lipoxygenase activity. In conclusion, results revealed that all the studied leaves possess anti-inflammatory properties at different levels, and this could be due to the differences in the composition and concentration of bioactive compounds.

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Crossref · 10.3390/biomedicines6040107

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Figures

Figure 1 Effect of six green leafy vegetables on inhibition of hemolysis. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.
Figure 1 Effect of six green leafy vegetables on inhibition of hemolysis. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.CC BY · PubMed Central
Figure 2 Effects of six green leafy vegetables on protein denaturation. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.
Figure 2 Effects of six green leafy vegetables on protein denaturation. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.CC BY · PubMed Central
Figure 3 Proteinase inhibitory activity of green leafy vegetables. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.
Figure 3 Proteinase inhibitory activity of green leafy vegetables. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.CC BY · PubMed Central
Figure 4 Lipoxygenase inhibitory activity of green leafy vegetables. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.
Figure 4 Lipoxygenase inhibitory activity of green leafy vegetables. Values represent means of triplicate readings. CAR—C. auriculata; GL—G. lactiferum; OZ—O. zeylanica; PE—P. edulis; CA—C. asiatica; SG—S. grandiflora. Data are presented as the means ± standard deviations of three replicate determinations.CC BY · PubMed Central

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Citations

Cites

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Research works printed but not linked: 5

  1. Leelaprakash, 2011, In vitro anti-inflammatory activity of methanol extract of Enicostemma axillare, Int. J. Drug Dev. Res., 3, 189
  2. Chippada, 2011, Antioxidant, an anti-inflammatory and anti-arthritic activity of Centellaasiatica extracts, J. Chem. Biol. Phys. Sci., 1, 260
  3. Oyedepo, 1995, Anti-protease and membrane stabilizing activities of extracts of Fagra zanthoxiloides, Olax subscorpioides and Tetrapleura tetraptera, Int. J. Pharm., 33, 65
  4. Kumar, 2013, Antioxidant, cytoprotective and anti-inflammatory activities of stem bark extract of Semecarpus anacardium, Asian J. Pharm. Clin. Res., 6, 213
  5. Das, 1995, Long-term toxicity study of ART-400, Indian Indig. Med., 16, 117

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Metadata

Authors
Gunathilake, K. D. P. P., Ranaweera, K. K. D. S., & Rupasinghe, H. P. V.
Affiliations
  • University of Sri Jayewardenepura (LK)
  • Dalhousie University (CA)
Corresponding author
Gunathilake, K. D. P. P.
Venue
Biomedicines
Publisher
MDPI AG
Published
2018-11-19
Volume
6
Issue
4
Pages
107
ISSN
2227-9059 (ISSN-L)
OpenAlex
W2901135781
Cited by
330
References
30
Citations by year
2026: 45 · 2025: 67 · 2024: 50 · 2023: 59 · 2022: 61 · 2021: 28 · 2020: 14 · 2019: 5
FWCI
10.40
Type
journal article
Language
en
Open access
Locations
  • Biomedicines (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Wayamba University of Sri Lanka
  • National Science Foundation of Sri Lanka
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Medicinal Plant Research
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Phytochemistry and Biological Activities
  • Health Sciences › Medicine › Biochemistry (medical) › Phytochemicals and Antioxidant Activities
Keywords
anti-inflammatory activity, leafy vegetables, methanolic leaf extract, hemolysis inhibition, protease inhibition, protein denaturation inhibition, lipoxygenase inhibition, Passiflora edulis, Centella asiatica, Cassia auriculata, Sesbania grandiflora, bioactive compounds

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CoChat. (2026). Citation check: In Vitro Anti-Inflammatory Properties of Selected Green Leafy Vegetables. https://app.cochat.ai/papers/10.3390/biomedicines6040107
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Gunathilake, K. D. P. P., Ranaweera, K. K. D. S., & Rupasinghe, H. P. V. (2018). In Vitro Anti-Inflammatory Properties of Selected Green Leafy Vegetables. Biomedicines. https://doi.org/10.3390/biomedicines6040107