Herbal Extracts for Flesh-Eating Bacteria

Thai herbal medicine and infection

Thai herbal medicine fights infections.

Herbs used for fighting infections in traditional Thai medicine have proven successful in thousands of years of use. Now we find science authenticates this success.

Herbs tested against flesh-eating bacteria

Research from Thailand’s Songkla University has proven that extracts from two combinations of herbs will deter the growth of a dangerous, sometimes flesh-eating bacteria species called Staphylococcus epidermidis.

The researchers tested extracts of three different herbal formulas that have been used by traditional Thai herbalists for centuries for skin conditions. Of the three formula extracts tested, two were able to inhibit the growth of biofilms of Staphylococcus epidermidis.

The fact that they proved able to inhibit the Staphylococcus epidermidis biofilms indicates that they could be used to treat the type of infections shown to be difficult to stop by conventional medicine.

Hospital-acquired Staphylococcus epidermidis infections

Biofilms of the flesh-eating bacteria Staphylococcus epidermidis will often infect the skin and underlying surfaces. They are frequently transmitted from hospital treatment equipment such as catheters and feeding tubes. Hospital-acquired Staphylococcus epidermidis infections have thus been one of the most difficult and dangerous to treat, outside of hospital-acquired Staphylococcus aureus in the form of MRSA – the antibiotic-resistant strain.

In an three-decade old study of hospital-acquired Staphylococcus epidermidis, 80 patients who were to undergo cardiac surgery were tested for antibiotic-resistant Staphylococcus epidermidis before and after surgery. Prior to surgery, 4 of the 80 patients were found to have antibiotic-resistant Staphylococcus epidermidis on their chests. Following their surgery, 43 of the 80 patients were found to be infected by antibiotic-resistant flesh-eating bacteria within their chest wounds. This study indicated the extent that hospital procedures can create infections.

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A more recent study from the Journal of Infectious Diseases found that antibiotic-resistant Staphylococcus epidermidis infections are rampant among U.S. cardiac surgery centers. In a study of four different U.S. cardiac centers, 1,559 culture tests found 565 tests positive in Staphylococcus epidermidis infections and of these, 46% were from one of seven different antibiotic-resistant Staphylococcus epidermidis clones. The researchers commented:

“We describe S. epidermidis clones that are highly resistant to antibiotics distributed across US cardiac centers.”

Other research has found that babies born in hospitals can also contract flesh-eating bacteria S. epidermidis infections.

Staphylococcus epidermidis and Necrotizing Fasciitis

As biofilms of Staphylococcus epidermidis infections develop, they can become necrotizing fasciitis. Fasciitis refers to an infection that eats away at the tissues below the skin. This is the medical term for flesh-eating bacteria infections. Necrotizing fasciitis rapidly spreads into all directions, including the epidermis layer, eating away the body’s skin surfaces and internal organs. Doctors often have to resort to amputation to remove infected regions of the body infected by necrotizing fasciitis.

Necrotizing fasciitis is often described as specific to antibiotic-resistant virulent Staphylococcus aureus (MRSA), but biofilms of Staphylococcus epidermidis can also cause necrotizing fasciitis. While some strains of Staphylococcus epidermidis are normal inhabitants of the skin – and protect the skin layers – other strains are more virulent and cause disease. Most of these are resistant to penicillin, tetracycline, methicillin and other antibiotics.

Some of these bacteria are linked to factory farming operations.

Herbal Treatment of Flesh-eating bacteria

It is this later type of Staphylococcus epidermidis that was studied, and biofilms were developed to be tested against the three herbal extracts.

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The herbal extract that proved to inhibit the Staphylococcus epidermidis biofilms the most was an extract of a formula containing Arrowroot (Maranta arundinacea L.), the bark of the Indian Trumpet tree (Oxylum indicum Vent.) – also called the tree of Damocles – and the whole plant parts of Tropical Spiderwort (Commelina benghalensis L.).

This blend of herbs underwent two different extract methods – one with water and one with ethanol. The ethanol extract proved to have more Staphylococcus epidermidis biofilm inhibition than the other water extract.

The herbal extract prevented the growth of Staphylococcus epidermidis biofilms on glass surfaces and polystyrene surfaces. As these surfaces both provide frequent sources of infections in hospitals, it showed the researchers that the extract could prevent many hospital-acquired infections of Staphylococcus epidermidis.

In addition, the researchers tested the herbal extracts upon Staphylococcus epidermidis biofilms that they cultured for seven days. The most successful extract destroyed up to 90% of these mature Staphylococcus epidermidis biofilm cultures.

Another herbal combination tested – this one composed of an extract of Turmeric (Curcuma longa L.), Areca Palm seed (Areca catechu L.), Asian rice seed (Oryza sativa L.) and Mangosteen (Garcinia mangostana L.) – proved to inhibit biofilm growth of Staphylococcus epidermidis by 30% to 40%. Goldenseal also fights antibiotic-resistant bacteria according to other research.

Both of the successful extracts have been utilized by traditional Thai medicine doctors for centuries as treatments for skin conditions.

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Chusri S, Sompetch K, Mukdee S, Jansrisewangwong S, Srichai T, Maneenoon K, Limsuwan S, Voravuthikunchai SP. Inhibition of Staphylococcus epidermidis by Traditional Thai Herbal Recipes Used for Wound Treatment. Evid Based Complement Alternat Med. 2012;2012:159797.

Read more:  Acorns Fight Antibiotic-Resistant Bacteria

Archer GL, Tenenbaum MJ. Antibiotic-resistant Staphylococcus epidermidis in patients undergoing cardiac surgery. Antimicrob Agents Chemother. 1980 Feb;17(2):269-72.

Gordon RJ, Miragaia M, Weinberg AD, Lee CJ, Rolo J, Giacalone JC, Slaughter MS, Pappas P, Naka Y, Tector AJ, de Lencastre H, Lowy FD. Staphylococcus epidermidis colonization is highly clonal across US cardiac centers. J Infect Dis. 2012 May 1;205(9):1391-8.

Bingöl-Koloğlu M, Yildiz RV, Alper B, Yağmurlu A, Ciftçi E, Gökçora IH, Ince E, Emiroğlu M, Dindar H. Necrotizing fasciitis in children: diagnostic and therapeutic aspects. J Pediatr Surg. 2007 Nov;42(11):1892-7.


  • Case Adams, Naturopath

    California Naturopath, Ph.D. in Natural Health Sciences, Doctorate in Integrative Health Sciences, Board Certified Alternative Medicine Practitioner. Diplomas in Blood Chemistry, Clinical Nutritional Counseling, Homeopathy, Aromatherapy, Colon Hydrotherapy, certificates in Pain Management and Case Management/Contact Tracing. Has authored more than 30 books and hundreds of periodical articles on natural medicine. Recreational activities include surfing, sailing, running, biking, swimming, SUPing, hiking. Contact: case(at)caseadams(dot)com.

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