91�� News - Valerie Orsat

Moderate UV light is best when it comes to boosting the vitamin D content of edible mushrooms, 91�� study finds

webfull — Mon, 04 May 2026 14:00:59 +0000

Researchers at 91�� have discovered that moderate ultraviolet (UV) light exposure is best when the technique is used to enhance vitamin D₂ in edible mushrooms. Excessive exposure leads to nutrient degradation or a plateau effect, they found. The paper also provides quantitative guidance.

The researchers’ work supports efforts to address vitamin D deficiency, which affects between 30 and 50 per cent of the world’s population, as well as enhance the nutritional value of mushrooms more broadly.

Published: 4 May 2026

Macdonald Campus welcomes new leadership

webfull — Wed, 03 Sep 2025 15:24:55 +0000

As we welcome the Fall semester, the Faculty of Agricultural and Environmental Sciences is pleased to announce the following appointments:

Sebastien Faucher

Associate Dean (Research)

Dr. Faucher obtained his Ph.D. in Microbiology and Immunology from the Université de Montréal in 2007 and joined our Faculty in July 2011. He has previously served as Acting Associate Dean (Research) in 2020.

Published: 3 September 2025

Is eating Canadian better for your health?

webfull — Wed, 09 Apr 2025 17:45:05 +0000

In a recent article, La Presse investigates whether boycotting American products could improve our health. Experts interviewed for the article said it's possible—but only if we change other eating habits in the process.

Published: 9 April 2025

Better training for agricultural producers could reduce food insecurity

webfull — Tue, 21 Jan 2025 18:14:57 +0000

91�� Bioresource Engineering Professors Valérie Orsat and Vijaya Raghavan spoke to Le Devoir about their recent study, which found that better educating farmers and food processors about how to avoid post-harvest food losses would reduce global food insecurity.

Published: 21 January 2025

Better education can mitigate post-harvest food losses, increase global food security

webfull — Fri, 15 Nov 2024 13:54:54 +0000

Better educating farmers and food processors about how to avoid post-harvest food losses – which amount to one-third of global food production, worth US$1 trillion annually – would reduce global food insecurity, according to researchers at 91��.

Published: 15 November 2024

Update from Faculty Leadership

webfull — Thu, 02 May 2024 16:47:39 +0000

Now that our senior leaders have had a few months to settle into their new positions, find out what’s been happening on campus.

By Professor Anja Geitmann and Acting Dean Valérie Orsat

Published: 2 May 2024

Celebrating International Women’s Day with 91��’s female Deans

webfull — Thu, 14 Mar 2024 20:50:06 +0000

Friday, March 8 was International Women’s Day, marking the achievements of women and serving as a call to action for accelerating women’s equality.

This year’s theme is Inspire Inclusion—a message exemplified by 91��’s female leaders. At the moment, 10 of 91��’s 14 deans are women, including our own Acting Dean Valérie Orsat.

The 91�� Reporter shared their thoughts on the women who inspire them, the progress that’s been made, and the barriers that have yet to be broken.

Published: 14 March 2024

Valérie Orsat wins ‘Engineering and Physical Sciences’ Suffrage Science award

webfull — Fri, 12 Mar 2021 14:06:52 +0000

Bioresource engineering prof cited for research excellence and role as mentor for women entering the field

Published: 12 March 2021

91������ News - Valerie Orsat

Moderate UV light is best when it comes to boosting the vitamin D content of edible mushrooms, 91������ study finds