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Is it OK to use expired flour?

When flour goes rancid, its molecular structure changes — which may produce harmful compounds ( 10 ). However, no recent studies have revealed any detrimental effects of eating rancid flour. Although cooked foods made with it may taste unpleasant, they're unlikely to harm your health if eaten in small amounts.

healthline.com - Does Flour Expire? Shelf Life, Safe Storage, and More - Healthline

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This article explains whether flour goes bad, reviews proper storage techniques, and explains the risks of eating expired flour.

Thus, you may wonder how long it’s safe to keep flour.

Many people keep flour in their pantry for long periods of time — even well past the expiration date. Although it traditionally comes from wheat, numerous types of flour are now available, including coconut, almond, and other gluten-free varieties. Flour is a pantry staple made by grinding grains or other foods into powder. Many factors influence flour’s shelf life, or the length of time it lasts before beginning to spoil. Most flours stay fresh 3–8 months at room temperature, usually long past their expiration date. However, the specific shelf life depends on the type of flour, its ingredients, and how you store it (1).

Types of flour

Flour is often categorized by its level of processing, which affects its shelf life. The source ingredient, such as wheat or arrowroot, also has an impact. For example, white all-purpose flour generally stays fresh longer than whole-wheat flour due to the ways in which each is processed. White flour is highly refined, meaning that the grain is stripped of the bran and germ, leaving only the starchy endosperm. Conversely, whole-wheat flour contains all three parts of the grain — the bran, germ, and endosperm. The bran and germ are rich in oils, making whole-wheat products more vulnerable to spoilage. This occurs when fats deteriorate upon exposure to light, moisture, or air, typically causing an undesirable taste and odor ( 2 , 3 ). Because gluten-free alternatives like almond or coconut flour are often high in oil, they may also be more prone to rancidity than white flour.

Storage methods

What’s more, the shelf life of flour depends on how you store it. According to the United States Department of Agricultural (USDA), flour is considered shelf-stable. This means that it can be safely stored at room temperature (5). Yet, it should be kept in an air-tight container in a cool, dry place to preserve its freshness. Refrigerating or freezing it may further increase its shelf life (6). For example, all-purpose flour lasts 6–8 months on the shelf but up to 1 year if refrigerated and 2 years if frozen (7). If you put your flour in the fridge, be sure to keep it away from moisture and water to prevent mold. This is best done by sealing it in an airtight container, such as a plastic bag or food bin (8). Keep in mind that you should let refrigerated or frozen flour reach room temperature before using it. This will prevent lumping.

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What's the next food trend 2022?

Fermented foods are one of the major UK food and drink trends right now, and we don't see that changing in 2022. From kombucha to kimchi to kefir, these probiotic-rich foods are being touted as the next big thing in the health food world, and for good reason.

uren.com - UK Food Trends 2022 - Uren Food Group

1. From farm to table: The locavore movement is only going to get stronger As consumers become more and more interested in where their food comes from, the locavore movement is only going to grow. This means that we’re going to see more people wanting to know the origin of their food, and opting for locally grown produce. In the culinary world, we predict that this trend will lead to a rise in end-to-end supply chain transparency, with consumers wanting to know exactly where their food came from and how it was produced. For global food manufacturers, this means that there will be increased pressure to ensure that full end-to-end chain traceability is in place.

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