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Related Concept Videos

Regulation of Food Intake01:30

Regulation of Food Intake

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Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
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Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Related Experiment Video

Updated: Jan 24, 2026

Measurement of Chitinase Activity in Biological Samples
03:32

Measurement of Chitinase Activity in Biological Samples

Published on: August 22, 2019

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Chitinases as Food Allergens.

Claudia Leoni1, Mariateresa Volpicella2, Maria Dileo3

  • 1Institute of Bioenergetics, Biomembranes and Molecular Biotechnologies, Italian National Research Council, 70126 Bari, Italy. c.leoni@ibiom.cnr.it.

Molecules (Basel, Switzerland)
|June 5, 2019
PubMed
Summary

Food allergies are immune reactions to food components. This review summarizes food allergenic chitinases, their structures, and classifications, aiding allergy diagnostics and immunotherapy.

Keywords:
allergenchitinaseepitope mappingfood allergy

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Area of Science:

  • Food allergy research
  • Immunology
  • Molecular biology

Background:

  • Food allergies involve adverse immune responses to food allergens, ranging from mild to severe anaphylaxis.
  • Current understanding lacks predictive markers for allergen potency and effective cures.
  • Recombinant allergens are crucial for advancing allergy diagnostics and immunotherapies.

Purpose of the Study:

  • To review identified food allergenic chitinases.
  • To summarize their structural characteristics.
  • To classify chitinases into distinct families and classes.

Main Methods:

  • Literature review of scientific publications.
  • Analysis of structural data for chitinases.
  • Compilation of information on chitinase classification and epitopes.

Main Results:

  • Chitinases are prevalent allergens in plant fruits and edible insects.
  • Structural analyses and epitope identification for chitinases are incomplete.
  • Existing allergen databases have incomplete entries for chitinases.

Conclusions:

  • A comprehensive summary of food allergenic chitinases is provided.
  • Structural insights and classification aid in understanding allergenicity.
  • Further research on chitinases is essential for improved allergy management.