![]() ![]() Grains are the natural habitat for bugs and other insects that lay and hatch eggs. You may not even know something is wrong by looking at aged flour, but if it has a rancid aroma, it’s gone off! To avoid mould, keep flour in a dry area. MouldĪs humidity causes the flour to absorb moisture, it can lead to mould formation. To lower the effect of oxygen, keep flour sealed. ![]() ![]() Because of this, old flour not only loses a lot of nutritional value but also tastes terrible. This changes their flavour and makes them stale or spoiled. Flour oxidation makes natural oils found in whole-grain flours turn rancid. The breakdown of nutrients in the flour triggers a chemical reaction known as oxidation caused by oxygen interacting with the flour. That being said, other factors cause the flour to be bad: Oxidation In a humid climate, flour turns bad faster than in dry areas. Its storage environment plays a pivotal role in shelf life retention as well. When too much is lost, the flour becomes damaged and stale.īut it’s not just moisture. The shelf life is directly linked to how much moisture remains inside the three components. As the flour sits around, it loses moisture from the germ through evaporation. So why does flour go off in the first place? Wheat flour comprises the grain’s bran, germ, and endosperm. While for long-term storage, either put them inside the freezer or use vacuum-sealed bags. For mid-term storage, use airtight mylar bags. For the short term, using an airtight container but leaving it in its bag at room temperature will do the job well in most cases. The best way to store flour depends on how long you plan to store it. I started researching for this article to see the tricks for extending the life of your flour, but I didn’t expect these tricks to work as well as they did! Here is everything you need to know on how to store flour to answer the question of how long can you store flour until it goes off. But you can shorten or lengthen its life depending on how you store it. Every bag of flour, whether in a 25 kg sack or just a couple of pounds, has an expiration date. ![]()
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