Eeffect of an aquaeous extract of Phaseolus vulgaris pods on morphological properties of post-burn esophagus

Ya. Raetska
Taras Shevchenkа National University of Kyiv, Kyiv


The most widespread chemical damage in children – burn of the esophagus. It occurs when accidentally swallowing substances that have in their composition alkali, acid or other caustic substances. The depth of burn depends on the concentration and time of contact of the mucous
membrane with the affecting agent. As a result of penetration of alkalis and contact with the wall of the esophagus, along with necrosis, damage to the mucous membrane, submucosal and muscular membrane of the esophagus occurs. Despite a large number of drugs that have been tested in the treatment of complications caused by esophageal burns, there is little information that would indicate the high effectiveness of the previously used drugs. The analysis of literature data shows the positive influence of polyphenols of natural origin on the normalization of physiological and biochemical parameters in various pathologies. The extract of common beans (Phaseolus vulgaris pods extract (PVPE)) is an example of a rich bioactive component of the source with beneficial characteristics for humans. Therefore, the purpose of our work was to investigate the effect of the Phaseolus vulgaris pods extract on the healing of post-burns wounds. When morpho-functional characteristics of the esophagus changes in the conditions of alkaline burn of the esophagus of the 2nd degree, it was shown that at 1 day of the experiment there is a violation of the mucous membrane, which manifests itself in the destruction of the multilayered epithelium, namely, in the submucous membrane there is a significant accumulation of leukocytes, leukocytic infiltration is fixed in the partly destroyed muscle layer. At 31 days of study in a group of animals with burn of the esophagus there is a certain restoration of the integrity of the mucous membrane of the esophagus, mainly with hyperplasia; there is also a
decrease in the presence of leukocytes; however, there is an enlargement of the connective tissue in the submucosal membrane, which may indicate the formation of a scar. The data of the morphological description are confirmed by the morphometric parameters of the calculation of the stenosis index. With the use of extracts of beans under chemical burns esophagus conditions, improvement of the morpho-functional status of the esophagus of rats was noted: the formed connective tissue scar does not significantly affect the stenosis index (its significance is the intermediate
position); the high level of leukocyte infiltration is reduced to the control parameters, which may indicate the obvious therapeutic effect of the
extract of beans pods at alkaline burns of the esophagus.


alkali burn esophagus, gystology, cytokines, Phaseolus vulgaris

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Received: 01.03.2019

Revised: 02.04.2019

Signed for the press: 02.04.2019



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