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A. luchuensis / A. awamori black koji

17,9969,00

(3 customer reviews)

Aspergillus luchuensis or Aspergillus awamori is a special type of koji. It is one of the ‘black kojis’ traditionally used to make Shochu, a distilled beverage. Available in 2 sizes: 5 grams for 5 kilograms or 200 gram for 200 kg. *Please note there are supply chain issues caused by Corona and the war in Ukraine. Delays are unknown at the moment*

A. luchuensis for 5 kg
17,99

In stock

SKU: 209 Categories: , ,
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Description

About A. luchuensis / A. awamori

Aspergillus luchuensis or Aspergillus awamori is a special type of koji. It is one of the ‘black kojis’ traditionally used to make Shochu, a distilled beverage. This black koji is of the black variant, however it does have a similarly high citric acid production to it’s lighter brother.

About Koji

Koji is the mold that can do anything: miso, soy sauce, shoyu, shio koji, amazake, black bean sauce, sake, doungjun, they all owe their taste to the fungus Aspergillus oryzae.

What is the difference between A. luchuensis and A. awamori

There is none, it’s a different name for the same mold variant. Other names are A. kawachii, or A. acidus. The variant is also very similar to A. niger and A. tubingensis. Morphologically, they are all identical.

This koji is easily overgrown by it’s cousin A. oryzae (ordinary koji), so make sure that you prevent cross-contamination by working cleanly.

Content

  • Available in 2 sizes: 5 grams for 5 kilograms or 200 gram for 200 kg.
  • Enough for around 5 or 200 kg of rice / grain / soybeans
  • Grows best on barley
  • Ingredients: rice, Aspergillus Luchuensis fungus (koji)
  • Origin: Japan
  • Storage instructions: shelf life at least 6 months in the refrigerator, more than a year in the freezer.
  • Soy-free

Please note the following

  • This koi variant needs to be ground up before you use it
  • For easier dispersion you could mix it with riceflour
  • This koji prefers a slightly lower temperatures than normal koji
  • This black koji is of the black variant, however it does have a similarly high citric acid production to it’s lighter brother mentioned in The Noma guide to fermentation.

Need larger amounts of koji-kin?

Contact us, and we will set you up.

How to make koji-kin

Ingredients

  • 300 g white rice, preferably not pre-cooked
  • 0,25 g (about 1/4 tsp) koji-kin starter culture (check your packaging, different types of koji have different strenghts)

Preparation

  1. Rinse the rice until the rinse water remains clear. Let it drain for 15 minutes.
  2. Steam the rice for about 45 minutes. That works better than cooking it. Cooked rice quickly becomes wet and mushy when moldy, which prevents the fungus from doing its job properly. The rice should look glassy and feel soft and a little rubbery when you bite it.
  3. Let cool to room temperature.
  4. Grind up the black koji grains for better dispertion of the mold
  5. Mix the koji kin with the rice and let it ferment for 48 hours in a warm humid place 25 to 35 ˚C. Check regularly. Make sure to avoid condensation dripping onto the rice.
  6. During this period, mix a few times with a clean fork. The fungus needs oxigen.
  7. The rice will be completely covered in a greyish mold after fermentation. Though keep in mind that different koji variants have different colors.

Online on demand workshop ‘how to make vegan cheese at home’ (subtitled)

During this English subtitled workshop you will learn the theory and practice of making vegan cheesevegan blue cheese starter kits at home, with a focus on vegan camembert and vegan blue cheese . Foodwriter ‘Meneer Wateetons’, author of several books on fermentation and alternative food preparation techniques,  will teach you all about fermentation, curing salts, food safety, pH, starter cultures, molds and drying conditions. Click here for more info.

3 reviews for A. luchuensis / A. awamori black koji

  1. Anonymous (verified owner)

    (0) (0)
  2. Jan (verified owner)

    (0) (0)
  3. Gregor (verified owner)

    Good mold, great differences in taste compared to other kojis.

    (0) (0)

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