Food Science and Technology

Snow flea antifreeze peptide for cryopreservation of lactic acid bacteria

X. Chen, J. Wu, et al.

Discover how researchers Xu Chen, Jinhong Wu, and their team developed a novel antifreeze peptide, rsfAFP, that enhances the survival and metabolism of *Streptococcus thermophilus*. This groundbreaking study reveals its potential applications in lactic acid bacteria cryopreservation and frozen food preservation.

00:00

Playback language: English

Index

Abstract

This study developed a recombinant snow flea antifreeze peptide (rsfAFP) expression system. rsfAFP showed ice recrystallization inhibition, thermal hysteresis activity, and altered ice nucleation, improving the survival rate, acid-producing ability, freezing stability, and cellular metabolism activity of *Streptococcus thermophilus*. rsfAFP interacts with the membrane and ice crystals, forming a protective layer. This research provides a scientific basis for using rsfAFP as an effective antifreeze agent for lactic acid bacteria cryopreservation or other frozen food.

Publisher

npj Science of Food

Published On

Feb 03, 2022

Authors

Xu Chen, Jinhong Wu, Xiaozhen Li, Fujia Yang, Dan Huang, Jianlian Huang, Shaoyun Wang, Vincent Guyonnet

Related Publications

Explore these studies to deepen your understanding of the subject.

Medicine and Health

ANCA: artificial nucleic acid circuit with Argonaute protein for one-step isothermal detection of antibiotic-resistant bacteria

H. Jang, J. Song, et al.

Agriculture

Characterization of phyllosphere endophytic lactic acid bacteria reveals a potential novel route to enhance silage fermentation quality

H. Zhou, S. Jia, et al.

Medicine and Health

Multi-biofunctional graphene oxide-enhanced poly-L-lactic acid composite nanofiber scaffolds for ovarian function recovery of transplanted-tissue

L. Yan, L. Wang, et al.

Medicine and Health

EGFP-EGF1-conjugated poly(lactic-co-glycolic acid) nanoparticles as a carrier for the delivery of CCR2– shRNA to atherosclerotic macrophage in vitro

Z. Wu, C. Chen, et al.

Listen, Learn & Level Up

Over 10,000 hours of research content in 25+ fields, available in 12+ languages.

No more digging through PDFs, just hit play and absorb the world's latest research in your language, on your time.

listen to research audio papers with researchbunny