FusionKnight's comments

"Homebrew stores like Northern Brewer (http://www.northernbrewer.com/) should sell things like Koji Spores (Aspergillus oryzae), Lactobacillus Bacteria, and Beer Yeast (saccharomyces cerevisiae), in addition to citric acid powder, and other ingredients you may with to use. Here is a PubMed article analyzing the contents of Korean Nuruk: http://www.ncbi.nlm.nih.gov/pubmed/23314366."
in Starter culture (Nuruk) — Jun/15