• Corpus ID: 40028452

Transformations of Phenolic Compounds in an in vitro Model Simulating the Human Alimentary Tract

@article{Tarko2009TransformationsOP,
  title={Transformations of Phenolic Compounds in an in vitro Model Simulating the Human Alimentary Tract},
  author={Tomasz Tarko and Aleksandra Duda-Chodak and Paweł Sroka and Paweł Satora and J. Michalik},
  journal={Food Technology and Biotechnology},
  year={2009},
  volume={47},
  pages={456-463}
}
The aim of this work is to establish the antioxidant properties of polyphenolic compounds of selected fruits before and after their transformations during digestion. The experiment was conducted in in vitro conditions on a set of dialysis membranes which simulated the human digestive tract. Apples of the [ampion, Malinowka and Golden Delicious cultivars, black chokeberry, banana, Wegierka zwykla blue plum, melon and Lukasowka pear were chosen for examination. It was found that compounds… 

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References

SHOWING 1-10 OF 37 REFERENCES

An in vitro method to simulate phenolic compound release from the food matrix in the gastrointestinal tract

Assays have shown that strawberry anthocyanins are largely degraded (transformed) during the digestion and that free ellagic acid is released from ellagitannins leading to a ten-fold increase of this compound during digestion.

Influence of industrial processing on orange juice flavanone solubility and transformation to chalcones under gastrointestinal conditions.

Orange juice manufactured at industrial scale was subjected to digestion under in vitro gastrointestinal conditions to evaluate the influence of individual industrial processing treatments on flavanone solubility, stability, and ability to permeate through a membrane under simulated physiological conditions.

Cocoa procyanidins are stable during gastric transit in humans.

The results suggest that most ingested procyanidins reach the small intestine intact and are available for absorption or metabolism, and were remarkably stable in the stomach environment.

In vitro gastrointestinal digestion study of pomegranate juice phenolic compounds, anthocyanins, and vitamin C.

Results have shown that pomegranate phenolic compounds are available during the digestion in a quite high amount, and due to pH, anthocyanins are largely transformed into non-red forms and/or degraded, and similar results are obtained for vitamin C.

Activity and concentration of polyphenolic antioxidants in apple: effect of cultivar, harvest year, and storage conditions.

Apples from three different harvest years were analyzed, but in three cultivars no effect on flavonoid concentration and antioxidant activity was observed, and long-term storage, both at refrigerator temperature and under controlled atmosphere conditions, was found not to influence flavonoids concentration or antioxidant activity.

Metabolism of tea flavonoids in the gastrointestinal tract.

  • J. Spencer
  • Biology, Chemistry
    The Journal of nutrition
  • 2003
This review will highlight the major sites of flavanol metabolism in the gastrointestinal tract and the processes that give rise to potential bioactive forms of flavan-3-ols in vivo.

Polyphenols in foods are more complex than often thought.

  • V. Cheynier
  • Chemistry, Medicine
    The American journal of clinical nutrition
  • 2005
Current knowledge regarding the reaction mechanisms involved in some of these processes and the structures of the resulting products is reviewed, and their effects on organoleptic and nutritional quality are also discussed.

Chlorogenic acid, quercetin-3-rutinoside and black tea phenols are extensively metabolized in humans.

The contribution of dietary phenols to antioxidant activity in vivo might be lower than expected from in vitro tests, because metabolites of dietaryphenols have lower antioxidant activity than their parent compounds.