Phytochemical Analysis and Therapeutic Applications of Ginkgo Biloba

The maiden Ginkgo biloba tree represents a reservoir of bioactive compounds, principally flavonoids and terpene trilactones, that underlie its diverse therapeutic potential. Phytochemical analysis of its leaves and seeds employs multipronged techniques such as high-performance liquid chromatography, mass spectrometry and nuclear magnetic resonance to quantify and characterise constituents including quercetin, kaempferol, ginkgolides and bilobalide. These compounds contribute synergistically to antioxidant, anti-inflammatory, neuroprotective, cardioprotective and antineoplastic effects. Standardised extracts, typically containing 24 per cent flavonoid glycosides and 6 per cent terpene trilactones, have been used to mitigate cognitive decline, peripheral vascular insufficiency and tinnitus. Recent mechanistic studies highlight modulation of signalling pathways—such as platelet-activating factor antagonism, reactive oxygen species scavenging and mitochondrial stabilisation—as central to therapeutic efficacy. Safety considerations focus on interactions with cytochrome P450 enzymes, anticoagulants and potential genotoxicity at high doses. As global interest in phytopharmaceuticals surges, G. biloba continues to serve as a model for translating traditional remedies into evidence-based interventions.

Research from Nature Portfolio

Recent studies have unveiled the genotoxic potential of Ginkgo leaf constituents through topoisomerase II inhibition. In vitro assays revealed that quercetin, along with kaempferol and isorhamnetin, binds selectively to the enzyme’s active site, inducing DNA strand breaks in hepatic cells. Knockdown of topoisomerase II markedly reduced DNA damage, corroborating the causal relationship. These findings prompt a refined safety assessment of standardised extracts, balancing therapeutic benefits against potential risks in long-term or high-dose applications.

Phytochemical Analysis and Therapeutic Applications of Ginkgo Biloba publication trend

The graph below shows the total number of articles in phytochemical analysis and therapeutic applications of ginkgo biloba across all publications each year (not limited to Nature Index journals).

Technical terms

Phytochemical: Bioactive chemical compound produced by plants, often responsible for therapeutic effects.

Flavonoids: Polyphenolic compounds with antioxidant and anti-inflammatory properties.

Terpene trilactones: Terpenoid class characterised by three lactone rings, exemplified by ginkgolides and bilobalide.

Ginkgolides: Diterpene trilactones that antagonise platelet-activating factor and modulate vascular function.

Bilobalide: Sesquiterpene trilactone with neuroprotective and mitochondrial stabilising activities.

Biflavonoids: Dimeric flavonoids formed by two flavone units, exhibiting diverse bioactivities such as anticancer and antiviral effects.

Topoisomerase II: Enzyme that regulates DNA topology by transiently cleaving and re-ligating double strands, a target for both therapeutic and genotoxic interactions.

References

1. Advances in the Studies of Ginkgo Biloba Leaves Extract on Aging-Related Diseases. Aging and Disease (2017).
2. Ginkgo biloba: A Treasure of Functional Phytochemicals with Multimedicinal Applications. Evidence-based Complementary and Alternative Medicine (2022).
3. Radical Scavenging Potential of Ginkgolides and Bilobalide: Insight from Molecular Modeling. Antioxidants (2023).
4. Biflavonoids: Important Contributions to the Health Benefits of Ginkgo (Ginkgo biloba L.). Plants (2022).
5. Ginkgo biloba leaf extract induces DNA damage by inhibiting topoisomerase II activity in human hepatic cells. Scientific Reports (2015).