How to ensure food safety when using wild yeasts from raisins?

Is botulism or other forms of food poisoning possible in these things, like kvass, and these fruit drinks that contain wild yeasts from raisins?

Collecting Wild Yeast | Homebrew Talk

Looking into raisins and other fruits, I found that often dried fruits are sulphited to eliminate bacteria and of course this would kill off the ...

Can I make yeast from fermented raisins in water and use it ... - Quora

This should all be happening in a food grade container, with everything sterilized that will touch your 'wash'. This ratio of sugar to water is ...

Wild Yeast 101 - Mute Dog Fermenting

If you're trying to capture a sort of terroir for a specific area then I recommend using fruits harvested from that area, either grown yourself ...

The advantages and risks of using wild yeast - Food & Feed Analysis

Slower fermentation process start-up: Wild yeasts are present on the grapes in considerably lower concentrations than inoculated yeast. As a ...

Shoud I use my raisin yeast water? | The Fresh Loaf

I prepared the yeast water last August 22 Saturday night 10:30 pm; I used 100 g California golden raisins with no oil and 350 ml cooled ...

Wild Yeast is Your Friend — Jereme Zimmerman, Author

... use raisins and other fruit to provide the needed boost to my booze. Most of the recipes in her book use raisins, but I omit them when there ...

Anything I Should Know Before I Wild Ferment with a Makeshift Rig?

... with using wild yeasts, in terms of health risks/chance. Interesting ... make sure I seal with something food safe, just in case. Reply ...

What are the optimal conditions in making wild yeast starter?

Some answers to your questions, based on my experience with wild sourdough starter in San Francisco: 70-80F is the ideal temperature range.

Capturing Wild Yeast (Yeast Water) - Nourished Kitchen

Use unsulfured fruit. Check the ingredients of your dried fruit to make sure it doesn't contain sulfur dioxide. Sulfur dioxide is a chemical ...

In Search of Wild Yeast: Using Foraged Yeast to Create Brews

Commercial yeast strains are also designed to achieve higher levels of alcohol. Results will vary somewhat, but as a general rule commercial beer yeast can give ...

Make Mead Like a Viking - Fermentology - PubPub

Drop in 10-12 organic raisins or 1/2 teaspoon yeast nutrient. Make sure to specifically use organic so they don't have sulfites or anything in ...

How to make, and bake, with raisin yeast - Sourdough and Olives

The procedure to make the yeast is just as easy as to mix a sourdough starter. All you need is some raisins, lukewarm water, and some sugar. Add ...

Using Wild Yeasts for Fermenting Foods and Beverages

The sugars in the water supply food for our yeast (if fruits with a high sugar content are used, added sugar may not be necessary). Once your ...

Making Safe Fermented Foods and Beverages | VCE Publications

Safety · Use properly cleaned and sanitized containers. · Observe the fermentation daily for unwanted aromas or appearances. · Ensure that an ...

How to Make Wild Yeast Water - Rosemary Mark

Set the jar of water to ferment preferably at 75°F to 80°F. The oven with the light on can provide a warm temperature, but it must stay below 85F. Higher or ...

Learn to Make Wild-Foraged Mead Like a Viking - The Cook's Cook

This aerates the mead, helping to incorporate wild yeast and ensuring a strong fermentation. Cover the vessel with a clean cloth when not in use. Tie the cloth ...

Time to ferment bread with raisin water - Severn Bites

In your jar, add 57 grams of raisins and 170 ml water. Make sure the water is 5 cm above the raisins. Replace the lid, but do not seal. Leave ...

Must treatments and wild yeast growth before and during alcoholic ...

The contamination level of grapes was checked on their arrival at wineries and during the subsequent treatments before inoculation with ...

Screening Wild Yeast Strains for Alcohol Fermentation from Various ...

Wild yeasts on the surface of various fruits including grapes were surveyed to obtain yeast strains suitable for fermenting a novel wine with higher alcohol ...