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Dried Onion Flakes / Allium cepa

Dried Onion Flakes

Dried Onion Flakes for a sweet savory crunch

Dried Onion Flakes capture the sweet-savory heart of fresh onion in shelf-stable form while safeguarding prebiotic fibre, quercetin and organosulfur notes that drive their unmistakable aroma. 

Produced by gently reducing native moisture from eighty-plus percent to below seven, Dried Onion Flakes concentrate flavor six-fold, deliver antioxidant capacity comparable with berries and offer culinary speed that invites immediate bloom in oil, stock or dough. 

These qualities let La Botanique Sacrée depend on Dried Onion Flakes for clean umami, fast rehydration and effortless flow in premium blends.

Science and Composition


Chemical Composition


Dried Onion Flakes contain roughly 83 g carbohydrate, 9 g protein and under 1 g fat per 100 g, with just 3 g water remaining after dehydration. Soluble fibre and fructo-oligosaccharides form about 10 percent of the dry mass, feeding beneficial gut microbes.

Quercetin and related flavonols reach 286 mg per 100 g, underpinning antioxidant scores above 4 700 µmol TE 100 g⁻¹ in ORAC assays. ars.usda.gov

Allyl-propyl disulfide and other sulfur volatiles dominate the essential-oil fraction, providing pungency and mild antimicrobial action.


Origin & Nutritional Composition


Global onion harvest tops 103 million t annually, with India, China and the United States driving both fresh and dehydration supply chains. 

Sliced bulbs are air-circulated at 60 °C until moisture falls below 7 percent, meeting trade standards that protect color and volatile integrity.

A five-gram spoon of Dried Onion Flakes yields 17 kcal, 0.5 g protein, 4.2 g carbohydrate and trace iron and potassium, equaling the flavor payload of half a small fresh onion.


Reported Health Benefits


Quercetin and sulfur compounds have been linked to lower LDL oxidation and improved endothelial function in clinical observations, suggesting cardiometabolic support when Dried Onion Flakes replace refined salt boosters. Real Simple WebMD

Prebiotic inulin fractions raise Bifidobacterium counts and generate short-chain fatty acids that nourish colonocytes. WebMD

Essential-oil volatiles suppress Staphylococcus aureus growth in model broths at culinary concentrations, giving Dried Onion Flakes gentle preservative value. 


Heritage and Function


Cultural Significance & Historical Significance


Onions symbolized eternal life in Ancient Egypt and flavored athlete diets in Classical Greece, showing their broad culinary and ritual importance.

Dehydration emerged during twentieth-century field rations to provide lightweight flavor without spoilage, cementing Dried Onion Flakes in global dry stores.


Flavor Profile


Dried Onion Flakes greet the nose with sweet shallot, toasted hay and faint garlic owing to sugar caramelisation and sulfur conjugates formed during drying.

Rehydration revives fresh alliaceous bite within minutes, while toasting dry Flakes deepens nutty notes and evokes browned butter.



Fun Tidbits

  • Two ounces of Dried Onion Flakes rehydrate to three cups fresh onion, a six-to-one concentration ratio.

  • Egyptian pyramid workers were reportedly paid in onions and garlic, highlighting value along ancient supply chains.
     

  • Shelf life of properly packed Flakes reaches 80 days at 30 °C and 75 percent RH before noticeable color shift.  

La Botanique Sacrée's Approach


Why we use it
La Botanique Sacrée selects Dried Onion Flakes for fast flavor release that binds smoked paprika, balances baobab acidity and underpins herb profiles without moisture spikes. Their uniform cut resists clumping in high-salt matrices and avoids the chalky texture of powdered forms.

Sourcing information
Our Dried Onion Flakes derive from certified-organic bulbs grown in the EU, sliced, air-dried and screened without additives.

Products featuring Dried Onion Flakes


PEP’RONI - Pepperoni-style pizza topper with smoked salts, oregano, sun-dried tomato, and dried onion flakes for savory snap


A bunch of onions

Curated Botanicals

La Botanique Sacrée is a modern herbal apothecary crafting organic spice blends, salts, and botanicals. Rooted in ancestral plant knowledge, refined through culinary precision. No fillers. No shortcuts. Just pure compositions for functional, flavour based cooking.