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ISAPP Newsletter – July 2021

Earlier this month ISAPP was pleased to explore the potential role of fungal microorganisms in human health by hosting a webinar on the human mycobiome with talks by experts in the field. If you didn’t catch it live, you can view the recording here.

In this newsletter, we share a post by ISAPP board member and co-author of the postbiotics definition, Dr. Gabriel Vinderola, explaining why postbiotics are not just dead probiotics. Then another board member, Prof. Colin Hill, delves into what constitutes a ‘health benefit to the host' -- a question that emerged from a previous ISAPP webinar. We also share an important analysis on the quality of probiotic products for vulnerable populations.

The next blog post introduces you to our new board member, Dr. Anisha Wijeyesekera! We look forward to her participation in ISAPP activities over the coming years.

Check out our two newest infographics: one describing the recently published definition of postbiotics, and the other summarizing the key points of all 5 ISAPP scientific consensus definitions. You are free to use this and other ISAPP resources subject to the conditions outlined here.

In ISAPP Students and Fellows Association (SFA) news, as of July 2021, recent PhD graduate Dr. Daragh Hill (APC Microbiome, Ireland) will be taking over as President of the ISAPP SFA! The Executive Committee thanks Anna-Ursula Happel (University of Cape Town, South Africa) for three years of stupendous leadership in her role of previous President. Join us in thanking these early career scientists on twitter by tagging @ISAPPSFA

A postbiotic is not simply a dead probiotic

If a probiotic dies off, does it therefore become a postbiotic? Not exactly, explains Dr. Gabriel Vinderola in this new blog post. Even if dead cells originate from a probiotic, a postbiotic must be documented to confer a health benefit.

What do we mean by ‘conferring a health benefit on the host’?

Four of the ISAPP scientific consensus definitions stipulate that the ingredient (probiotic, prebiotic, synbiotic or postbiotic) must ‘confer a health benefit on the host’. In this blog post, Prof. Colin Hill delineates the meaning of 'host' and the continuum of health benefits that might be conferred.

Can dietary supplements be used safely and reliably in vulnerable populations?

This blog post, by Prof. Dan Merenstein with Dr. Greg Leyer, addresses the misconception that probiotics as foods / supplements are inappropriate for use in vulnerable populations. They point out that high quality, safe probiotic products are produced under dietary supplement regulations even though such products do not carry a label statement calling attention to this added level of quality.

ISAPP welcomes Anisha Wijeyesekera, PhD, as new board member

In this post, meet the newest ISAPP board member – Dr. Anisha Wijeyesekera. With her research focusing on integrated systems biology, exploiting analytical technologies to characterize molecular phenotypes and better understand the impact of genes, lifestyle and environmental factors on human health, she rounds out the board members’ collective expertise.

ISAPP Infographic: Postbiotics

See our new infographic that breaks down the nuances of the recently published postbiotics definition and highlights key points.

ISAPP Infographic: Probiotics, Prebiotics, Synbiotics, Postbiotics and Fermented Foods Defined

Need a summary of the ISAPP definitions all in one place? We have the infographic for you! This new resource shows all 5 definitions along with examples and key points.
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