Related Experiment Video
Updated: Feb 9, 2026

Species Determination and Quantitation in Mixtures Using MRM Mass Spectrometry of Peptides Applied to Meat Authentication
Published on: September 20, 2016
Novel umami peptides from Cherry Valley duck meat extract: Identification, sensory characterization, and taste
Yu Hua1, Yaqi Cao1, Tianran Huang2
1College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China.
Abstract:
This study aims to identify the umami peptide in duck meat and study its interaction with the T1R1/T1R3 receptor. Through computational machine learning prediction and molecular docking screening, six novel umami peptides were found, with a sensory threshold ranging from 0.09 to 0.30 mmol/L. Molecular dynamics simulation and binding energy calculation show that their stable interaction with T1R1 receptors is mainly mediated by electrostatic and hydrogen bond networks. The key residues of T1R1 receptors are Arg277, Ser306, and Arg307. These results create an effective method for the screening of umami peptides in the application of flavor science and promote the understanding of the mechanism of umami perception.
More Related Videos
07:12Assessment of Sensory Thresholds in Dogs Using Mechanical and Hot Thermal Quantitative Sensory Testing
Published on: October 26, 2021
05:34Author Spotlight: Development of an Enhanced Protocol for Rapid and Accurate Isolation of Campylobacter from Food Products
Published on: February 23, 2024
Related Concept Videos
What is a Sensory System?
Sensory Perception: Organization of the Somatosensory System
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
Peptide Identification Using Tandem Mass Spectrometry
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
Subliminal Perception
Factors Affecting Perception
An illustrative example of a perceptual set is the scenario where an airline pilot told...
The Physiology of Taste