Fermentation science
How Lactic Acid Fermentation Actually Works
The microbial succession, pH curve and salt chemistry behind sauerkraut, kimchi and every other vegetable ferment.
9 min read ·
Library
Reference articles written and reviewed by the FRMNT editorial team. Each one states its key facts up front so they can be cited accurately.
Fermentation science
Inside the SCOBY: The Microbiology of Kombucha
What the pellicle really is, which organisms live in the liquid, and why acidity — not the disc — keeps kombucha safe.
8 min read ·
Technique
Salt and Brine Calculations Without Guesswork
Brine percentage, dry salting and the arithmetic that makes vegetable ferments reproducible batch after batch.
6 min read ·
Fermentation science
Koji, Enzymes and the Long Ferments of East Asia
How Aspergillus oryzae converts starch and protein into the amino acid backbone of miso, shoyu and amazake.
10 min read ·
Safety
Fermentation Safety: What to Keep and What to Discard
Evidence-based rules for judging a batch — pH thresholds, mould identification, and the myths worth ignoring.
7 min read ·
Technique
Temperature: The Most Underused Fermentation Variable
Why the same recipe tastes different in January and July, and how to use temperature deliberately rather than accidentally.
6 min read ·