Insights & Discussion
Bee honey and propolis could have potential beneficial effects as supporting treatments for COVID-19, enhancing immunity and inhibiting viral activity.
The study's methodology involved a comprehensive review of the literature on the potential anti-COVID-19 effects of bee honey and propolis, products known for their strong antimicrobial and antioxidant abilities. The researchers conducted molecular simulations to see how various flavonoids found in these products might inhibit essential viral processes. Additionally, they compared the effectiveness of propolis extracts delivered by nanocarriers to ethanolic extracts, and they examined the effects of a combination of honey and propolis on hospitalized COVID-19 patients.
The findings from the review and simulations suggested that certain flavonoids in honey and propolis may inhibit the fusion of the virus spike with host cells, interactions that cause a cytokine storm, and viral replication. Propolis ethanolic extract, rutin, and propolis liposomes displayed inhibitory action against non-structural proteins of the virus in vitro while naringin inhibited viral infection in specific cells. When delivered via nanocarriers, propolis extracts showed enhanced antiviral effects against the virus compared to ethanolic extracts. Observations of hospitalized patients suggested that those treated with green Brazilian propolis or a honey-propolis combination experienced quicker viral clearance, symptom recovery, and hospital discharge, along with lower mortality rates.
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Bee-collected pollen and bee bread, particularly when artificially fermented, demonstrate significant antiviral activity against the H1N1 strain of the influenza A virus.
2023 Foods Antiviral Activity of Beebread, Bee-Collected Pollen and Artificially Fermented Pollen against Influenza A Virus Dimitriou T, Asoutis Didaras N, Barda C, Skopeliti D, Kontogianni K, Karatasou K, et al.
Experimental Study Antiviral Bee Bread Bee Pollen
The research investigated the antiviral properties of bee-collected pollen (BCP) and bee bread (BB), including versions that had undergone artificial fermentation. The experiment also assessed separate proteins, water content, and -butanol portions of these substances. The analysis evaluated their effectiveness against the H1N1 strain of the influenza A virus (IAV). The antiviral behavior of these materials was taken in lab conditions via a comparative real-time PCR analysis working on their inhibitory concentration and selectivity index.
The outcomes revealed artificial fermentation improved the antiviral effectiveness of BCP. The protein fractions within the BCP and BB presented the greatest antiviral activity. Observations also highlighted that the chemical composition, prominent in proteins, and potentially microbiome metabolism determined the antiviral properties of BCP and BB. The chemical profile analysis emphasized the existence of some specialized metabolites that might be contributing towards this antiviral action.
Manuka honey exhibits a dual role in immune modulation, triggering a pro-inflammatory response by elevating cytokine expression and neutrophil recruitment via TLR signaling, while also influencing the phenotypic and functional maturation of macrophages.
2022 Frontiers in Immunology Characterization of immunomodulatory responses induced by manuka honey Masad RJ, Nasser RA, Bashir G, Mohamed YA, Al-Sbiei A, Al-Saafeen BH, et al.
Network Pharmacology Honey Immunomodulation
In vitro experiments using RAW 264.7 macrophages demonstrated that 1% Manuka honey significantly upregulated the expression and secretion of pro-inflammatory cytokines, including TNF-α, IL-1β, IL-6, and iNOS, as well as chemokines such as CXCL2 and CCL2. In vivo studies with C57BL/6 mice revealed a robust peritoneal response characterized by increased neutrophil recruitment and phenotypic changes in peritoneal macrophages after intraperitoneal administration of Manuka honey. Notably, this response persisted in TLR4-defective mice, suggesting independence from TLR4 and ruling out LPS contamination. However, the dependence on MyD88 protein, a crucial adaptor in TLR signaling, was evident, shedding light on the immunostimulatory properties of Manuka honey and its potential as an immunomodulatory agent in diverse disorders.
The study delineates Manuka honey's immunomodulatory actions, showcasing its pro-inflammatory impact through cytokine release and neutrophil recruitment, independent of TLR4 but reliant on MyD88 signaling. Additionally, the observed phenotypic alterations in macrophages underscore the potential utility of Manuka honey as an immunomodulatory agent across various health conditions, offering insights into its complex yet promising role in immune regulation.
Carrot's bioactive compounds can regulate immune response, reduce oxidative stress, and prevent damaging oxidative destruction, making it a potential preventive tool for various diseases.
2022 Journal of Functional Foods Critical review on the immunomodulatory activities of carrot’s β-carotene and other bioactive compounds Anjani G, Ayustaningwarno F, Eviana R
Review Article Anti-Inflammatory Carotene Carrot
In this literature review, mechanisms were proposed for how the antioxidant properties of carrot’s β-carotene and other bioactive compounds, such as phenolic acid, flavonoid, polyacetylene, and ascorbic acid could modulate the immune system. These proposals were centered around three main paths: anti-inflammatory response modulation, antioxidant response modulation, and overall immune response modulation (which involves both innate and adaptive responses).
In the discussion of results, it was revealed that the bioactive compounds in carrots have the ability to regulate pro-inflammatory and anti-inflammatory cytokines, and are also capable of reducing oxidative stress. This was shown by the decrease in the accumulation of reactive oxygen species and an increase in antioxidant capacity, which collaboratively helps to minimize destructive oxidative destruction. Additionally, these compounds influenced immune components, specifically via the regulation of leukocytes, antigens, immunoglobulins, and histamine levels. As a result, carrots were defined as a functional food source capable of immune modulation and potential prevention and treatment for a range of diseases.
The Jing Si Herbal Drink, composed of various antiviral, antioxidant and anti-inflammatory herbs, has been confirmed as potentially effective in treating COVID-19 symptoms.
2022 Pharmacological Research - Modern Chinese Medicine Jing Si Herbal Drink as a prospective adjunctive therapy for COVID-19 treatment: Molecular evidence and mechanisms Lu PH, Tseng CW, Lee JL, Lee EY, Lin YP, Lin IH, et al.
Review Article Ai Ye Anti-Inflammatory Antioxidant
The methodology incorporated in this study involves analyzing the efficacy of the component herbs present in Jing Si Herbal Drink (JSHD). This was done through in vivo and in vitro testing to understand their potential in treating COVID-19. JSHD comprises a combination of 5 antiviral, 7 antioxidant, 7 anti-inflammatory herbs. Furthermore, it includes 2 herbs that inhibit the overactive immune system, one herb that reduces cell apoptosis, and another with antithrombotic ability. These constituent herbs were evaluated for their impact on the pathogenesis of COVID-19.
Discussion of the results showed that the ingredients in JSHD have demonstrated potential effectiveness against COVID-19. The active ingredients in the drink were effective in providing symptomatic relief for infected patients. The antiviral, antioxidant, and anti-inflammatory herbs, along with those altering immune response, inhibiting cellular apoptosis and providing antithrombotic capacity, were all found beneficial against the disease. Thus, JSHD holds promise as a useful adjuvant or supplementary treatment in handling COVID-19.
High doses of vitamin C, vitamin D supplementation and natural honey can potentially decrease fatalities and support the management of COVID-19.
2022 Brazilian Journal of Pharmaceutical Sciences Impact of supplemental vitamins and natural honey for treatment of COVID-19: A review Rabby MII, Hossain F, Islam MA, Islam AKMS, Akhi IJ, Akter F
Review Article Honey Vitamin C
The team undertook a systematic analysis of existing literature and pertinent clinical trials to evaluate the potential of vitamin C, vitamin D, and natural honey intervention during the progression of the COVID-19 pandemic. This assessment aimed to determine the impact of these substances upon the outcomes of COVID-19, particularly in reducing respiratory damage and potentially improving patient immunity.
The research revealed that substantial doses of vitamin C illustrated to lower lung damage and reduce intensive care stay duration for COVID-19 patients. It was observed that vitamin D deficiency is common among individuals living in institutions, and having supplements could aid in defending against respiratory infections. Natural honey, due to its antiviral effects and immune-enhancement capacities, also displayed promising results in treating COVID-19. The acquired evidence drove the belief that administering vitamin C, vitamin D, and natural honey, along with the existing treatment protocols, could potentially be a compelling method to decrease fatalities associated with COVID-19.
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