HealthSeptember 2, 2026
galactose
guh-LAK-toh-ohs
Definition
A specific type of sugar molecule found in many mammals that serves as the key allergen in alpha-gal syndrome.
Etymology
The word is derived from the Greek 'gala' meaning 'milk,' reflecting its discovery as a component of lactose (milk sugar). The suffix '-ose' is a standard chemical naming convention for sugars.
In the news
In this article, the term appears as part of the full scientific name for the sugar molecule, galactose-alpha-1,3-galactose, which causes immune system reactions in individuals with alpha-gal syndrome. Understanding its role as an allergen is essential to explaining why patients must avoid various mammalian products.
Anxiety Is Alpha-Gal Syndrome’s Overlooked Side Effect
Read the full article ↗Psychology Today