PapersFlow Research Brief
Medicinal Plant Extracts Effects
Research Guide
What is Medicinal Plant Extracts Effects?
Medicinal plant extracts effects refer to the pharmacological impacts of herbal remedies such as Passiflora, Valerian, Kava extract, and Melissa officinalis on mental health conditions including anxiety, depression, and insomnia, as evaluated through systematic reviews, meta-analyses, clinical trials, and studies.
Research on medicinal plant extracts effects encompasses 22,594 works focused on herbal medicine for treating anxiety, depression, and insomnia. Studies examine plants like Passiflora, Valerian, Kava extract, and Melissa officinalis, often highlighting GABAergic effects and psychopharmacology. Key investigations include clinical trials and reviews assessing efficacy and safety.
Topic Hierarchy
Research Sub-Topics
Passiflora incarnata for Anxiety Disorders
This sub-topic examines clinical trials, systematic reviews, and pharmacological mechanisms of Passiflora incarnata extracts in treating generalized anxiety disorder and stress-related conditions. Researchers investigate GABAergic modulation, efficacy compared to benzodiazepines, and long-term safety profiles.
Valeriana officinalis in Insomnia Treatment
Researchers study randomized controlled trials, meta-analyses, and neurotransmitter effects of Valerian root extracts for primary insomnia and sleep latency reduction. Focus includes dosage optimization, polysomnographic outcomes, and interactions with GABA receptors.
Kava kava Extract for Generalized Anxiety
This area covers clinical efficacy studies, hepatotoxicity risks, and kavalactone pharmacology of Piper methysticum extracts in GAD management. Studies explore standardized extracts, withdrawal effects, and regulatory impacts on usage.
Melissa officinalis in Depression and Anxiety
Investigations include double-blind trials, phytochemical analyses, and cognitive effects of Lemon balm extracts for comorbid anxiety-depression symptoms. Researchers assess rosmarinic acid bioavailability and mood-enhancing mechanisms.
Synergistic Effects in Herbal Psychopharmacology
This sub-topic analyzes polyherbal formulations, phytochemical interactions, and entourage effects in treating neuropsychiatric disorders. Studies employ network pharmacology and clinical pharmacodynamics to evaluate combined extracts.
Why It Matters
Medicinal plant extracts effects influence complementary and alternative medicine practices, with surveys showing substantial use alongside prescription drugs among US adults. Kaufman et al. (2002) in "Recent Patterns of Medication Use in the Ambulatory Adult Population of the United States" reported that most US adults take at least one medication weekly, with overlap between prescriptions and herbals/supplements raising interaction concerns. Kessler et al. (2001) in "The Use of Complementary and Alternative Therapies to Treat Anxiety and Depression in the United States" found complementary therapies used more than conventional ones by individuals with self-defined anxiety attacks and severe depression, including by patients seeing mental health providers. Ernst (2002) in "The Risk–Benefit Profile of Commonly Used Herbal Therapies: Ginkgo, St. John's Wort, Ginseng, Echinacea, Saw Palmetto, and Kava" provided efficacy and safety overviews for kava and others, informing clinical risk-benefit assessments.
Reading Guide
Where to Start
"Recent Patterns of Medication Use in the Ambulatory Adult Population of the United States" by Kaufman et al. (2002), as it provides foundational data on herbal-prescription overlap and usage prevalence, offering context for effects research without requiring prior pharmacological knowledge.
Key Papers Explained
Kaufman et al. (2002) in "Recent Patterns of Medication Use in the Ambulatory Adult Population of the United States" establishes baseline usage patterns, which Kessler et al. (2001) in "The Use of Complementary and Alternative Therapies to Treat Anxiety and Depression in the United States" builds on by detailing complementary therapy adoption for anxiety and depression. Dhawan et al. (2004) in "Passiflora: a review update" and Williamson (2001) in "Synergy and other interactions in phytomedicines" then explore specific plant mechanisms and interactions. Ernst (2002) in "The Risk–Benefit Profile of Commonly Used Herbal Therapies: Ginkgo, St. John's Wort, Ginseng, Echinacea, Saw Palmetto, and Kava" synthesizes risk-benefit data, connecting to Hypericum Depression Trial Study Group (2002) findings on St. John's Wort inefficacy.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Field centers on psychopharmacology of extracts like Passiflora and Kava for mental health, with top-cited works from 2001-2004 emphasizing clinical trials and reviews. No recent preprints or news in last 12 months indicate steady focus on established safety-efficacy profiles amid 22,594 works.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Recent Patterns of Medication Use in the Ambulatory Adult Popu... | 2002 | JAMA | 1.8K | ✕ |
| 2 | Bonica—s Management of Pain | 2002 | Acupuncture in Medicine | 1.1K | ✕ |
| 3 | Synergy and other interactions in phytomedicines | 2001 | Phytomedicine | 938 | ✕ |
| 4 | Herbal Extracts and Phytochemicals: Plant Secondary Metabolite... | 2011 | Advances in Nutrition | 661 | ✕ |
| 5 | The Use of Complementary and Alternative Therapies to Treat An... | 2001 | American Journal of Ps... | 651 | ✕ |
| 6 | Passiflora: a review update | 2004 | Journal of Ethnopharma... | 621 | ✕ |
| 7 | Phytochemistry of Cannabis sativa L. | 2017 | Fortschritte der Chemi... | 500 | ✕ |
| 8 | Effect of Hypericum perforatum (St John's Wort) in Major Depre... | 2002 | JAMA | 479 | ✕ |
| 9 | Potential Impact of Strawberries on Human Health: A Review of ... | 2004 | Critical Reviews in Fo... | 474 | ✕ |
| 10 | The Risk–Benefit Profile of Commonly Used Herbal Therapies: <i... | 2002 | Annals of Internal Med... | 464 | ✕ |
Frequently Asked Questions
What plants are commonly studied for anxiety and insomnia effects?
Plants such as Passiflora, Valerian, Kava extract, and Melissa officinalis are frequently examined for treating anxiety, depression, and insomnia. Dhawan et al. (2004) in "Passiflora: a review update" reviewed Passiflora's applications. Keywords in the field highlight their GABAergic effects in psychopharmacology.
How prevalent is herbal medicine use with conventional drugs?
Most US adults take at least one medication weekly, with many using multiple agents including herbals/supplements. Kaufman et al. (2002) in "Recent Patterns of Medication Use in the Ambulatory Adult Population of the United States" documented substantial overlap, raising unintended interaction concerns. This pattern supports documentation for safety improvements.
What do studies show about St. John's Wort for depression?
Hypericum Depression Trial Study Group (2002) in "Effect of Hypericum perforatum (St John's Wort) in Major Depressive Disorder" tested St. John's Wort for moderately severe major depression. The trial failed to support its efficacy, noting complete absence of positive trends. Results suggest low assay sensitivity as a possible factor.
What is the usage pattern of complementary therapies for anxiety and depression?
Complementary and alternative therapies are used more than conventional therapies by people with self-defined anxiety attacks and severe depression. Kessler et al. (2001) in "The Use of Complementary and Alternative Therapies to Treat Anxiety and Depression in the United States" found most patients visiting mental health providers also use these therapies. This dual usage underscores integration needs.
What risks and benefits are associated with common herbal therapies like Kava?
Ernst (2002) in "The Risk–Benefit Profile of Commonly Used Herbal Therapies: Ginkgo, St. John's Wort, Ginseng, Echinacea, Saw Palmetto, and Kava" assessed efficacy and safety based on systematic reviews. The overview covers Kava among others for clinical decision-making. Assessments emphasize evidence-based profiles amid increasing use.
Open Research Questions
- ? How do interactions between herbal extracts like Kava and prescription medications affect safety profiles in anxiety treatment?
- ? What specific phytochemicals in Passiflora contribute to GABAergic effects for insomnia relief?
- ? Why do clinical trials like the Hypericum perforatum study show no efficacy trends for St. John's Wort in major depression?
- ? In what ways do synergies among plant secondary metabolites enhance brain function beyond single extracts?
- ? How does the prevalence of complementary therapies among depression patients impact conventional mental health outcomes?
Recent Trends
The field maintains 22,594 works with no reported 5-year growth rate, anchored by highly cited papers from 2001-2017 like ElSohly et al. on Cannabis sativa phytochemistry and Kennedy and Wightman (2011) on brain function enhancement.
2017Absence of recent preprints or news coverage in last 12 months reflects consolidation of systematic reviews and meta-analyses on anxiety, depression, and insomnia treatments.
Research Medicinal Plant Extracts Effects with AI
PapersFlow provides specialized AI tools for Medicine researchers. Here are the most relevant for this topic:
Systematic Review
AI-powered evidence synthesis with documented search strategies
AI Literature Review
Automate paper discovery and synthesis across 474M+ papers
Find Disagreement
Discover conflicting findings and counter-evidence
Paper Summarizer
Get structured summaries of any paper in seconds
See how researchers in Health & Medicine use PapersFlow
Field-specific workflows, example queries, and use cases.
Start Researching Medicinal Plant Extracts Effects with AI
Search 474M+ papers, run AI-powered literature reviews, and write with integrated citations — all in one workspace.
See how PapersFlow works for Medicine researchers