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Microbes & Immunity                                                 Broad-spectrum health benefits of honey



            the history of ancient Egypt, Greece, and Rome.  The   and immunomodulatory effects; and prevent acute
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            earliest use of honey as an antimicrobial date back to   alcoholic liver injury. 13-15  The unique antibacterial
            2500 B.C., when the ancient Egyptians used honey to treat   mechanism of honey is primarily grounded in low levels of
            skin wounds and infections. In the Ebers Papyrus and   bound water, high sugar environments, acidic conditions,
            Smith Papyrus medical texts, the ancient Egyptians often   and the presence of hydrogen peroxide.
            mixed honey with fats or essential oils of plants to make   Honey contains polyphenols, Vitamin C, and
            a salve that was applied externally to wounds to promote   flavonoids, which reduce tissue inflammation and scavenge
            recovery and alleviation of pain. Records show that in   free  radicals  from  the  body  for  antioxidant  purposes.
            1901, German bacteriologists began to study the ability of   Antioxidants help to reduce low-density lipoprotein
            honey to inhibit the vital activity of bacteria, which is seen   oxidation and prevent cardiovascular disease.  In addition,
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            as the starting point for modern antibacterial research on   flavonoids are not only able to clear free radicals in the
            honey. In the 1980’s, Molan and his team of researchers   body through antioxidant action to reduce the damage of
            systematically investigated the unique activity of honey to   oxidative stress on blood vessels but also through a variety
            establish the antibacterial activity, with a primary focus on   of pathways to expand blood vessels, so as  to achieve
            the structure of methylglyoxal (MGO) in Manuka honey.    the effect of lowering blood pressure. Although honey
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            In ancient Chinese medicine, honey was also used to treat   itself contains sugar, studies have shown that moderate
            trauma and constipation. According to traditional Chinese   consumption of honey may help improve glycemic control
            medicine, it is believed that honey can tonify the center of   in diabetics. Medical honey products currently approved
            the body, moisten the lungs, and relieve coughs.   for clinical use include Medihoney® range,  Revamil®, 18,19
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              Honey is produced by bees that collect plant nectar,   Apinate® Honey Dressing, and HoneySoft®.
            secretions, or manna and then undergo cross-feeding   In the context of international standards,  the following
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            (trophallaxis), which reduces the water content. Pure   definitions are provided: the current international
            honey has a moisture content of 14 – 25%. The global   standards that pertain to this subject matter are the Codex
            honey market features a vast array of varieties, of which   Alimentarius and the EU Honey Directive 2001/110.
            the production and quality are influenced by a multitude of   The EU Honey Directive stipulates that honey should
            factors. These include the season in which the bees collect   not contain more than 20% of water, while the Codex
            the honey, regional variations in plant species, climatic   Alimentarius standard is slightly more lenient, allowing
            conditions, soil nutrients, flora and enzyme types, honey   for  up  to  23%  of water  in acacia  honey.  The  maximum
            ripeness, pollen content, and length of exposure to light.  permitted level of free acid is 50 mg/1000 g, the minimum

              Honey is  composed  of diverse  compounds, including   required level of glucose and fructose is 60 g/100 g, and
            water, sugars (glucose and fructose), enzymes (glucose   the maximum permitted level of sucrose is 5 g/100 g. The
            oxidase, amylase, invertase, phosphatase, catalase), amino   EU Honey Directive explicitly prohibits the addition of
            acids (proline, lysine, arginine), and others. In addition,   any other substances (e.g., food additives) or processing to
            honey contains vitamins (vitamin C and vitamin B),   honey, and mandates that it be kept intact and natural.
                          9,10
            proteins, minerals  (calcium, magnesium, iron, copper,
            manganese, phosphorus, potassium and zinc), organic   2. The characteristics of honey
            acids (gluconic acid, acetic acid, citric acid, lactic acid) and   2.1. Acidic environment
            natural  colors (carotenoids, lutein). Manuka  honey also   Honey is acidic, with a pH between 2 and 5, and the
            contains MGO, 11,12  a compound that gives it a significant   acidity is attributed mainly to the organic gluconic acid
            advantage in counteracting the increasingly antibiotics-  that glucose breaks down under the action of oxidative
            resistant strains of bacteria. The moisture content of honey   enzymes.  This acidic environment not only gives honey
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            has a direct impact on its properties, storage stability, and   its unique flavor but also has a pH lower than that of a
            antimicrobial activity. Furthermore, the ratio of glucose to   condition  at  which  most microorganisms  can  survive,
            fructose influences the crystallinity and sweetness of honey.  forming a natural antimicrobial barrier against Escherichia
              Honey  has  a  wide  range  of  biological  and   coli,  Salmonella, Pseudomonas aeruginosa,  and  yeasts. 21
            pharmacological  properties,  such  as  antibacterial,  anti-  Honey has been demonstrated to possess antimicrobial
            inflammatory, and antioxidant activities. More importantly,   activity and antioxidant properties with a concentration
            it can promote wound healing; regulate cardiovascular,   dependency. When honey is diluted with water, the glucose
            nervous, respiratory, and gastrointestinal systems;   oxidase system is activated; however, it is known that the
            modulate anti-parasitic and antidiabetic activities, as well   antimicrobial effect of honey is diminished by dilution
            as anti-atherosclerotic, antihypertensive, neuroprotective,   after it has reached its maximum.


            Volume 2 Issue 2 (2025)                         2                                doi: 10.36922/mi.6592
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