FAQ

What is the white film-like substance on the surface of fresh natto?

The white film-like substance on the surface of fresh natto is a cover of bacterial film, and is a sign that the natto is fermenting well. It is edible and completely non-toxic.

What is this white granular substance that appeared on the surface of fresh natto?

As fermentation progresses, crystallized amino acid called tyrosine which looks like white granules might appear. This is not harmful, but it may cause a crunchy texture and a bitter taste.

How do you store fresh natto?

Fresh Natto should always be stored in the refrigerator. The natto spore will be active when the temperature rises above 10 degrees Celsius. Extended storage at room temperature may affect the quality of the fresh natto.
For large containers, please use a clean spoon to scoop the fresh natto, and cover the surface of the remaining fresh natto with cling wrap to prevent it from drying out, so that the flavour is less likely to be lost.

Can I buy outside of Sydney and NSW?

[Updated on 1st Nov 2024]

We have found a new refrigerated transport partner which can deliver to NSW ACT VIC QLD Metro and surrounding areas, and can send from 1 box 🙂

All types Natto – Fresh, Frozen, and Dried Natto can be delivered.
Shipping costs and delivery days vary by area, please contact us for more details.

Unfortunately we haven’t found a reasonable refrigerated shipping routes to other states and regions yet.
If you know of any good transportation options, please let us know !

AS of Natto Crunchies, it can be stored at room temperature and able to send by mail.
Please contact us for Natto Crunchies direct sales Inquires.

Is sauce included for fresh Natto?

Sauce is not included for Fresh Natto, though Dai’s Natto recommends Shiro-dashi.

When is the Best Before date? What happens after the Best Before date?

The shelf life for fresh Natto is 14 days from the production date.
No dramatic changes will occur immediately after the best before date, however tyrosine and ammonia smell may occur over time.

The Shelf life for Natto Crunchies and Frozen Natto are 180 days.

When is the best time to eat fresh natto?

fresh Natto ferments slowly in the refrigerator and the Umami flavour increases as the days go by. As a natto Otaku(geek), I recommend eating fresh natto around the best before date, when the Umami flavour is enhanced, but some of our customers prefer fresh natto when it is less fermented.
Please find your favorite fermentation stage among the ever-changing flavours.

Why do large containers and mid cup have different best before dates?

This is because large containers are intended for continuous use. Since the quality of the product may be affected by temperature changes and dryness caused by taking the product in and out of the refrigerator, the shelf life is set slightly shorter than mid cup, which are intended for 1~2 serve(s) and disposable use.

Are genetically modified soybeans used ?

We do not use any genetically modified soybeans.

Is it safe to eat if I have a soy allergy?

Since soybeans is the main ingredient, it is not recommended for those who are allergic to soy to eat Natto.