The fluffiness of bread, the peculiar aroma of wine, the goodness of fermented food - we can credit yeast for all that we love about these foods. But yeast often finds itself in the crossfire for its health effects. The common notion is that yeast is not good for you, so you find many articles and recipe videos on ways to avoid adding yeast to food. But is yeast really bad? Let's separate fact from fiction and change your perception of this tiny organism that has been used since ancient times for fermentation, brewing and baking.
Also Read: Want To Bake But Don't Have Yeast? Make These Yeast Substitutes At Home
What is yeast?
Yeast, a microscopic fungus, serves as a versatile player in the culinary and scientific realms. Belonging to the fungi kingdom, notably Saccharomyces cerevisiae for baking and brewing, yeast plays a pivotal role in fermentation. This process involves converting sugars into carbon dioxide and alcohol, contributing to the leavening of bread and the production of various beverages. Beyond its culinary applications, yeast encompasses a diverse family of strains with both beneficial and pathogenic members, which goes beyond culinary usage and onto medicinal and industrial processes. Here we will focus on yeast used in common foods.
What Yeast Is Used In Food? Here Are 3 Commonly Used Yeasts:
The three most common yeast strains employed in food are Saccharomyces cerevisiae, Saccharomyces pastorianus, and Torulaspora delbrueckii.
- Saccharomyces cerevisiae, known as baker's yeast, is integral to leavening bread and enhancing nutritional content.
- Saccharomyces pastorianus, or brewer's yeast, excels in fermenting beer at lower temperatures.
- Torulaspora delbrueckii, recognized for enhancing wine aromas, contributes to the complexity of wine flavours.
Also Read: What Is The Difference Between Instant Yeast And Active Dry Yeast
Yeast contains many nutritional properties.
Photo Credit: iStock
Is Yeast Good Or Bad?
Here's some good news. Yeast offers more health benefits than negative side effects. Yeast, commonly used in baking to leaven bread and ferment beverages, belongs to the fungi kingdom. Contrary to the belief that all fungi are harmful, certain types of yeast are actually beneficial for your health.
First, let's take a look at the good side of yeast.
Is Yeast Good For Health?
1. Good Source of B Vitamins
One of the key benefits of yeast is its rich nutrient profile. According to a study published in the National Library Of Medicine, yeast is a good source of B vitamins. These essential vitamins play a crucial role in energy metabolism, nerve function, and overall well-being.
2. Great For Tissue Repair
Additionally, yeast is a notable source of protein and minerals. A study published in the Journal of Microbiology and Biotechnology found that yeast contains essential amino acids necessary for building and repairing tissues. It also provides minerals like selenium, zinc, and iron, which are vital for various physiological functions.
3. Excellent For Gut Health
Yeast has been linked to positive effects on the gut microbiota. Research suggests that certain strains of yeast, particularly Saccharomyces cerevisiae, act as probiotics and contribute to a balanced gut microbiome by promoting the growth of beneficial bacteria.
4. Good For Skin And Hair
Yeast is an excellent source of folate, which is known to promote skin health and hair health and also supports cell division and red blood cell formation, promoting overall health and preventing anaemia.
5. Builds Immunity
The high nutrient profile of yeast helps in bolstering the immune system while providing its anti-inflammatory effects.
What Are The Negatives Of Yeast? Does Yeast Have Side Effects?
Despite the nutritional benefits of yeast, there is a darker side to this story. For the average person, including yeast-containing foods in moderation can be part of a healthy diet. Whole-grain bread and fermented foods like yogurt with live cultures can contribute to gut health. However, those with compromised immune systems or a history of yeast infections should consult their healthcare provider.
It's crucial to strike a balance. Including yeast-containing foods in your diet can offer nutritional benefits, but it's equally important to be mindful of factors that may contribute to yeast overgrowth. As with any dietary component, moderation is key, and consulting with healthcare professionals for personalized advice is always wise.
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