Bromelain Protects the Inner Lining of Colon Against Colitis

By Kyle J. Norton

Colitis is a medical condition associated with the inflammation of the inner lining of the colon.

The causes of colitis can be results of infection, inflammatory bowel disease, including Crohn's disease and ulcerative colitis, ischemic colitis, allergic reactions, and microscopic colitis.

Most common systems of colitis are total depending on the types of condition, including abdominal pain, cramping, diarrhea, with or without blood in the stool.

Some patients with colitis also experience symptoms of fever, chills, fatigue, dehydration, eye inflammation.

If you have some of the aforementioned symptoms, please check with your doctor to rule out the possibility.

According to the statistics, in the US, 1.6 million Americans are living with inflammatory bowel disease, about 907,000 of them have ulcerative colitis. 

Also, according to the study by the Catholic University of the Sacred Heart, the most common types of colitis include

* Microscopic colitis is an inflammation of the large intestine (colon) that causes persistent watery diarrhea.

* Ischemic colitis is inflammation and injury of the large intestine that results from the inadequate blood supply. 

* Segmental colitis is an inflammation of the colonic luminal mucosa.

* Radiation enteritis is inflammation of the intestines caused by radiotherapy.

* Diversion colitis is an inflammation of the colon associated with the complication of ileostomy or colostomy.

Bromelain, a proteolytic enzyme found in pineapples (Ananas comosus) has been used in traditional medicine as an inflammatory agent and for the treatment of pains, strains, and muscle aches and pains and ease back pain and chronic joint pain, skin diseases, etc.

On finding a natural compound for the treatment of colitis, researchers examined whether long-term dietary supplementation with pineapple (supplied as juice) could decrease colon inflammation in neoplasia in Il10(-/-) mice with chronic colitis, compared to bromelain derived from the stem.

The experiment included colitis Il10(-/-) mice induced by exposure to the non-steroidal anti-inflammatory drug piroxicam followed by supplemented with fresh vs. boiled pineapple juice or bromelain purified (14 mg bromelain) from the stem for up to 6 months.

During the study, daily treatment of fresh juice had a decreased histologic colon inflammation scores and a lower incidence of inflammation scores, compared to those treated with bromelain purified (14 mg bromelain).

Futhermore, both treatments showed fewer neoplastic lesions/colon. However, fresh juice lower incidence of inflammation-associated colonic neoplasia by 35% compared to 66% of those treated with bromelain purified (14 mg bromelain).

According to the flow cytometric analysis of murine splenocytes in vitro, fresh pineapple juice demonstrated a proteolytic removal of cell surface molecules that can affect leukocyte trafficking and activation, compared to those treated with bromelain purified.

The finding strongly supported the long-term use of pineapple juice with proteolytically active bromelain enzymes for the treatment of inflammatory induction of colitis.

Dr. Hale LP, the lead scientist wrote in the final report, "long-term dietary supplementation with fresh or unpasteurized frozen pineapple juice with proteolytically active bromelain enzymes is safe and decreases inflammation severity and the incidence and multiplicity of inflammation-associated colonic neoplasia in this commonly used murine model of inflammatory bowel disease".

Taken altogether, pineapple (supplied as juice) processed a high amount of bioactive compound bromelain may be considered supplements for the prevention and treatment of colitis, pending to the confirmation of the larger sample size and multicenter human study.

Intake of bromelain in the form of supplement should be taken with extreme care to prevent overdose acute liver toxicity.

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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.

Sources
(1) Treatment with oral bromelain decreases colonic inflammation in the IL-10-deficient murine model of inflammatory bowel disease by Hale LP1, Greer PK, Trinh CT, Gottfried MR. (PubMed)
(2) Dietary supplementation with fresh pineapple juice decreases inflammation and colonic neoplasia in IL-10-deficient mice with colitis by Hale LP1, Chichlowski M, Trinh CT, Greer PK. (PubMed)