Effect of 4 °C and ice temperature on umami-enhancing nucleotides of conditioned pork.

Food Chem

State Key Laboratory of Bioreactor Engineering, R&D Center of Separation and Extraction Technology in Fermentation Industry, East China University of Science and Technology, Shanghai 200237, China.

Published: February 2023

To study new methods to delay the umami taste attenuation of the conditioned pork, the ice temperature of pork, the content of nucleotides, lactic acid, pyruvate, glycogen, and activity of key endogenous enzymes were determined for the conditioned pork stored at 4 °C and ice temperature. The results indicated that the ice temperature of the pork ham bicipital muscle was -1.4 °C. The content of umami-enhancing nucleotides in pork stored at 4 °C decreased significantly (p < 0.05) with increasing aging time, but all umami-enhancing nucleotides in pork stored at ice temperature were decreased significantly (p < 0.05), but the decrease rates were lower than those in pork stored at 4 °C. A possible reason for this was that the storage temperature influenced the activity of endogenous enzymes and glycolysis. Ice temperature storage was an effective method to inhibit the decrease in umami taste nucleotides in conditioned pork.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.foodchem.2022.134146DOI Listing

Publication Analysis

Top Keywords

ice temperature
16
conditioned pork
12
4 °c ice
8
umami-enhancing nucleotides
8
temperature pork
8
pork stored
8
stored 4 °c
8
pork
6
temperature
4
temperature umami-enhancing
4

Similar Publications

Many studies have displayed that freeze-thaw (F/T) conditioning is an environmentally friendly approach of improving sludge dewaterability. However, Initial water content (IWC) has a strong influence on the efficiency of the F/T method in conditioning sludge dewatering performance. Finding the most suitable F/T parameters for sludge with different IWCs is a critical issue that needs to be solved.

View Article and Find Full Text PDF

Anti-icing properties of polar bear fur.

Sci Adv

January 2025

Department of Physics and Technology, University of Bergen, Allegaten 55, Bergen 5007, Norway.

The polar bear () is the only Arctic land mammal that dives into water to hunt. Despite thermal insulation provided by blubber and fur layers and low Arctic temperatures, their fur is typically observed to be free of ice. This study investigates the anti-icing properties of polar bear fur.

View Article and Find Full Text PDF

Effects of cold-water immersion on health and wellbeing: A systematic review and meta-analysis.

PLoS One

January 2025

Alliance for Research in Exercise Nutrition and Activity (ARENA), Allied Health and Human Performance, University of South Australia, Adelaide, Australia.

Background: Cold-water immersion (CWI) has gained popularity as a health and wellbeing intervention among the general population.

Objective: This systematic review and meta-analysis aimed to evaluate the psychological, cognitive, and physiological effects of CWI in healthy adults.

Methods: Electronic databases were searched for randomized trials involving healthy adults aged ≥ 18 years undergoing acute or long-term CWI exposure via cold shower, ice bath, or plunge with water temperature ≤15°C for at least 30 seconds.

View Article and Find Full Text PDF

Phase Switch Driven by the Hidden Half-Ice, Half-Fire State in a Ferrimagnet.

Phys Rev Lett

December 2024

Brookhaven National Laboratory, Condensed Matter Physics and Materials Science Division, Upton, New York 11973, USA.

The notion of "half fire, half ice" was recently introduced to describe an exotic macroscopic ground-state degeneracy emerging in a ferrimagnet under the critical magnetic field, in which the "hot" spins are fully disordered on the sublattice with smaller magnetic moments and the "cold" spins are fully ordered on the sublattice with larger magnetic moments. Here, we further point out that this state has a twin named "half ice, half fire" in which the hot and cold spins switch positions. The new state is an excited state-thus hidden in the ground-state phase diagram-and is robust with respect to the interactions that destroy the half-fire, half-ice state.

View Article and Find Full Text PDF

Lobelia-Inspired Photothermal Storage Flexible Film for Efficient Deicing.

Small Methods

January 2025

Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, 430062, P. R. China.

The insufficient density and discontinuity of solar energy of photothermal superhydrophobic flexible film seriously affect the practical application. Light energy harvesting and heat energy storage are effective ways to solve this problem. Inspired by the viscous temperature-regulating material within the inflorescence of Lobelia telekii and the arrangement of bracts on its surface, a flexible film for photoheat storage is proposed that integrated a three-order photoheat trap and one-order heat storage.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!