Article sur le thé et ses bienfaits, blogue Isabelle Huot Docteure en nutrition

Who has never been seduced by the range of flavors available in tea shops in recent years Spotlight on this hot beverage and its benefits.


The food retail sector has witnessed an expansion in the number of stores offering tea. With so many tasty ingredients and names more inspiring than each other, the tea industry has conquered the hearts of Quebecers. Spotlight on this hot beverage and its benefits.

Fermentation at the origin of the variety

What is the name of the tree from which tea leaves come? No need to look too far, it is the tea plant! When picking, it is the stem, leaves and buds that will be of interest to the grower. Once harvested, the leaves will undergo a transformation process. One of the steps, oxidation, is responsible for the type of tea produced..

Black tea : completely oxidized

Oolong tea: half-oxidized

White tea: very low oxidation

Green tea : no oxidation

Matcha is a green tea, reduced to a fine powder. Like wine, where it comes from will have a major impact on the quality and characteristics of the product. Often referred to as a superfood, matcha actually contains the same benefits as green tea leaf. However, ingesting the tea rather than steeping it helps optimize nutrient intake.

The science behind the benefits

The antioxidants (polyphenols) contained in tea leaves would have a positive impact on the prevention of cancer. However, the oxidation process that the leaves undergo during the manufacture of black tea (and oolong tea in part) would inhibit the anti-cancer effect of these polyphenols. Thus, it would be green tea that would bring the most benefits for the prevention of cancer.

My advice for optimizing the nutritional values of your beverage:

  • Prefer loose leaf teas to sachets, they are usually of better quality
  • Be sure to follow recommendations for temperature and steeping time
  • Prefer weakly or non-oxidized teas

And iced tea Iced tea typeNestle(or other trademark) would be considered more of a sweet drink than tea per se. Indeed, by consulting the nutrition label and the list of ingredients, we find that some teas contain more than 20 g of added sugar per cup, the equivalent of 4 sugar cubes. Although some companies now offer a version without added sugar, the fact remains that iced tea certainly does not have the same properties as infused tea! Good to know!

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