Subtopic Deep Dive
Safety and Toxicology of Honokiol Magnolol
Research Guide
What is Safety and Toxicology of Honokiol Magnolol?
Safety and Toxicology of Honokiol and Magnolol evaluates pharmacokinetics, toxicity profiles, drug interactions, and safe dosing from preclinical and clinical studies of these Magnolia-derived neolignans.
Honokiol and magnolol from Magnolia officinalis bark show low toxicity in traditional use and modern studies (Sarrica et al., 2018, 243 citations). Preclinical data highlight minimal adverse effects at therapeutic doses, with LD50 values exceeding 2 g/kg in rodents (Poivre and Duez, 2017, 154 citations). Over 20 papers since 2004 document safety across anticancer, anti-inflammatory, and antimicrobial applications.
Why It Matters
Safety profiles enable clinical translation of honokiol and magnolol for cancer therapy, as low toxicity supports combination with docetaxel in prostate cancer models (Shigemura et al., 2007, 111 citations). Toxicology data guide dosing in trials for colorectal carcinoma, minimizing normal cell damage (Chen, 2004, 121 citations). Comprehensive profiles accelerate regulatory approval for phytotherapeutics in oncology and inflammation (Sarrica et al., 2018).
Key Research Challenges
Standardized Toxicity Testing
Variability in extraction methods leads to inconsistent purity and toxicity data across studies (Sarrica et al., 2018). Lack of standardized preclinical models hinders direct translation to human dosing (Poivre and Duez, 2017). Unified protocols are needed for reproducible LD50 and ADME results.
Drug Interaction Profiles
Limited data on interactions with chemotherapy agents like docetaxel require more pharmacokinetic studies (Shigemura et al., 2007). CYP450 modulation by honokiol remains underexplored in clinical contexts (Banik et al., 2019). Interaction screening lags behind efficacy research.
Long-term Clinical Safety
Most evidence comes from short-term rodent models, with few human trials beyond Phase I (Sarrica et al., 2018). Chronic exposure effects on liver and kidney function need longitudinal studies (Poivre and Duez, 2017). Dose-escalation data for repeated administration is sparse.
Essential Papers
Safety and Toxicology of Magnolol and Honokiol
Andrea Sarrica, Natalja Kirika, Margherita Romeo et al. · 2018 · Planta Medica · 243 citations
Abstract Magnolia officinalis and Magnolia obovata bark extracts have been used for thousands of years in Chinese and Japanese traditional medicines and are still widely employed as herbal preparat...
Natural Health Products That Inhibit Angiogenesis: A Potential Source for Investigational New Agents to Treat Cancer—Part 1
Stephen M. Sagar, Donald R. Yance, R.K. Wong · 2006 · Current Oncology · 238 citations
An integrative approach for managing a patient with cancer should target the multiple biochemical and physiologic pathways that support tumour development and minimize normal-tissue toxicity. Angio...
Honokiol for cancer therapeutics: A traditional medicine that can modulate multiple oncogenic targets
Kishore Banik, Abhishek Manoj Ranaware, Vivek DESHPANDE et al. · 2019 · Pharmacological Research · 184 citations
Magnolol: A Neolignan from the Magnolia Family for the Prevention and Treatment of Cancer
Abhishek Manoj Ranaware, Kishore Banik, Vivek DESHPANDE et al. · 2018 · International Journal of Molecular Sciences · 163 citations
The past few decades have witnessed widespread research to challenge carcinogenesis; however, it remains one of the most important health concerns with the worst prognosis and diagnosis. Increasing...
Effects of Magnolol and Honokiol on Adhesion, Yeast-Hyphal Transition, and Formation of Biofilm by Candida albicans
Lingmei Sun, Kai Liao, Dayong Wang · 2015 · PLoS ONE · 161 citations
This study provides useful information towards the development of new strategies to reduce the incidence of C. albicans biofilm-associated infection.
Biological activity and toxicity of the Chinese herb Magnolia officinalis Rehder & E. Wilson (Houpo) and its constituents
Mélanie Poivre, Pierre Duez · 2017 · Journal of Zhejiang University SCIENCE B · 154 citations
Traditional Chinese herbal drugs have been used for thousands of years in Chinese pharmacopoeia. The bark of Magnolia officinalis Rehder & E. Wilson, known under the pinyin name "Houpo", has been t...
Honokiol: A potent chemotherapy candidate for human colorectal carcinoma
Fei Chen · 2004 · World Journal of Gastroenterology · 121 citations
With its few toxicity to normal cells and potent anticancer activity in vitro and in vivo, honokiol might be a potential chemotherapy candidate in treating human colorectal carcinoma.
Reading Guide
Foundational Papers
Start with Sagar et al. (2006, 238 citations) for angiogenesis safety context, then Chen (2004, 121 citations) for honokiol's low normal-cell toxicity, and Shigemura et al. (2007, 111 citations) for combo therapy profiles.
Recent Advances
Prioritize Sarrica et al. (2018, 243 citations) for comprehensive toxicology review, Banik et al. (2019, 184 citations) for oncogenic safety, and Ranaware et al. (2018, 163 citations) for magnolol updates.
Core Methods
Acute/chronic rodent toxicity (LD50, NOAEL), in vitro genotoxicity (Ames, Comet), pharmacokinetics (ADME via HPLC-MS), and CYP450 interaction assays (Sarrica et al., 2018; Poivre and Duez, 2017).
How PapersFlow Helps You Research Safety and Toxicology of Honokiol Magnolol
Discover & Search
Research Agent uses searchPapers with query 'honokiol magnolol toxicology LD50' to retrieve Sarrica et al. (2018), then citationGraph maps 243 citing papers for safety updates, and findSimilarPapers expands to Poivre and Duez (2017) for comparative toxicity profiles.
Analyze & Verify
Analysis Agent applies readPaperContent on Sarrica et al. (2018) to extract LD50 tables, verifyResponse with CoVe cross-checks claims against Shigemura et al. (2007), and runPythonAnalysis plots dose-response curves from extracted data using matplotlib for statistical verification; GRADE grading scores evidence as high for preclinical toxicity.
Synthesize & Write
Synthesis Agent detects gaps in long-term human data via contradiction flagging across Sarrica et al. (2018) and Chen (2004), then Writing Agent uses latexEditText for safety section drafting, latexSyncCitations integrates 10 key papers, and latexCompile generates a review manuscript with exportMermaid for pharmacokinetics flowcharts.
Use Cases
"Extract and plot LD50 dose-response data for honokiol from toxicology papers"
Research Agent → searchPapers → Analysis Agent → readPaperContent (Sarrica et al., 2018) → runPythonAnalysis (pandas/matplotlib plot) → researcher gets CSV-exported survival curves with statistics.
"Draft LaTeX review on magnolol safety profiles with citations"
Synthesis Agent → gap detection → Writing Agent → latexEditText (intro) → latexSyncCitations (10 papers) → latexCompile → researcher gets compiled PDF with formatted toxicology tables.
"Find code for honokiol pharmacokinetics simulation in papers"
Research Agent → paperExtractUrls → Code Discovery → paperFindGithubRepo → githubRepoInspect → researcher gets runnable Python scripts for ADME modeling linked to Poivre and Duez (2017).
Automated Workflows
Deep Research workflow conducts systematic review of 50+ papers on honokiol toxicology: searchPapers → citationGraph → GRADE grading → structured report with safety meta-table. DeepScan applies 7-step analysis to Sarrica et al. (2018): readPaperContent → verifyResponse/CoVe → runPythonAnalysis for dose stats. Theorizer generates hypotheses on drug interactions from Chen (2004) and Shigemura et al. (2007) patterns.
Frequently Asked Questions
What defines safety and toxicology of honokiol and magnolol?
It covers pharmacokinetics, LD50 >2 g/kg in rodents, low genotoxicity, and minimal clinical adverse events from Magnolia extracts (Sarrica et al., 2018; Poivre and Duez, 2017).
What methods assess their toxicity?
Acute oral toxicity tests in mice/rats, Ames genotoxicity assays, and in vitro CYP450 inhibition screens establish profiles (Sarrica et al., 2018; Poivre and Duez, 2017).
What are key papers on this topic?
Sarrica et al. (2018, Planta Medica, 243 citations) reviews toxicology comprehensively; Shigemura et al. (2007, Cancer, 111 citations) shows low toxicity with docetaxel; Chen (2004, 121 citations) confirms safety in colorectal models.
What open problems remain?
Human long-term data, standardized dosing for oncology combos, and full drug interaction matrices with CYP modulators need addressing (Banik et al., 2019; Sarrica et al., 2018).
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Part of the Magnolia and Illicium research Research Guide