Evaluation of Synergistic Antioxidant Activity of Psidium Guajava and Raw Honey- An Invitro study
Abstract:
Despite the significant advances in modern medicine over the
last few decades, plants continue to play an important role in health care.
Antioxidant capabilities have been studied in a large range of medicinal
plants. Natural antioxidants, whether in the form of raw extracts or chemical
components, are extremely efficient in preventing oxidative stress-related
damage. The objective of the study is to evaluate the synergistic antioxidant
property of P.guajava and raw honey with Butylated hydroxytoluene as a standard
comparison agent. The plant extract (P.guajava) was prepared by the cold
infusion method. 1ml (1mg/ ml) of Guava leaf extract (GLE) was added to 1ml of
honey and mixed well. 1ml of this sample mixture was taken and diluted with
sterile distilled water to attain different concentrations of the sample such
as 500 µg/ml,400 µg/ml, 300 µg/ml, 200 µg/ml and 100 µg/ml. The percentage of
antioxidant activity (AA %) of each substance was assessed by using
2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay. This assay
was performed with different concentrations of P.guajava and raw honey
combination. The test sample showed [42.8%] antioxidant activity at 500 µg/ml
concentration whereas the standard agent showed 99.8% activity at 500 µg/ml. So, the standard extract
yielded the greatest percentage, while the combination extract [Guava leaf and
raw honey] yielded the lowest. From this study, it is evident that the antioxidant property
of the test agent (P.guajava and raw honey) is comparatively less significant
than the standard. Overall, the combination of guava leaves and raw
honey proved effective in developing antioxidant capabilities. These parameters
might be adjusted either directly as a solution to create rapid reactive oxygen
species mitigation or indirectly to achieve a delayed, sustained antioxidant
effect.
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