📊 Full nutrition facts — per 100g
| Nutrient | Amount | % Daily value | Level |
|---|---|---|---|
| Calories | 329 kcal | 16% | |
| Carbohydrates | 72.1g | 24% | |
| Dietary fibre | 6.3g | 22% | |
| Sugars | 0.0g | — | |
| Glycaemic Index | 55 — Low | — | |
| Protein | 10.6g | 21% | |
| Magnesium | 165mg | 41% | |
| Phosphorus | 289mg | 29% | |
| Iron | 4.4mg | 24% | |
| Thiamine (B1) | 0.24mg | 16% | |
| Niacin (B3) | 2.9mg | 18% | |
| Antioxidants (tannins) | high in dark varieties | — |
Based on Australian NRV. Source: FSANZ Australian Food Composition Database.
📈 Glycaemic index (GI)
💊 Key vitamins & minerals
✅ Health benefits
Sorghum is naturally and completely gluten-free, making it one of the most nutritious gluten-free grain alternatives available. Unlike rice (very low protein, low fibre) or tapioca (essentially pure starch), whole grain sorghum provides meaningful protein, fibre and minerals alongside its carbohydrate. It can replace wheat in bread, porridge, flatbreads and flour blends.
Sorghum's GI of 55 is at the low boundary — significantly better than white rice (73), refined cornmeal (~70) or white bread (~75). The resistant starch content in sorghum increases further when cooked and cooled, providing prebiotic benefits and reducing the glycaemic response on reheating.
Dark-coloured sorghum varieties (burgundy, red, brown) contain 3-deoxyanthocyanidins — unique antioxidant compounds not found in any other cereal grain. These pigments have demonstrated anti-inflammatory, anti-cancer and antimicrobial properties in research studies. Black sorghum contains lutein and zeaxanthin for eye health.
Sorghum requires 30–40% less water than maize to produce equivalent yield and can tolerate temperatures up to 38°C where wheat fails. Australia grows approximately 1–2 million tonnes annually — primarily in Queensland and NSW. As climate change increases heat and drought events in grain-growing regions, sorghum's resilience makes it an increasingly important food security crop.
⚠️ Who should limit or avoid
High-tannin sorghum varieties (darker colour) contain condensed tannins that bind iron and zinc, significantly reducing their absorption. This is a concern in populations relying on sorghum as their primary grain. Soaking, fermenting or malting sorghum reduces tannin content substantially. Low-tannin (white/cream) sorghum varieties are more common in food products and have better mineral bioavailability.
Like most whole grains, sorghum contains phytic acid that reduces iron, zinc and calcium absorption. Soaking sorghum overnight before cooking reduces phytic acid by up to 50%. Consuming sorghum with vitamin C-rich foods increases iron absorption from plant sources.
🛒 How to buy sorghum
Whole grain sorghum (pearl sorghum or whole grain flour) retains the bran and germ containing fibre, protein, B vitamins and antioxidants. Refined sorghum flour (white) has had these removed. For maximum nutrition choose whole grain sorghum flour or whole sorghum grains from health food stores. The whole grain is the size of a small ball bearing — tan or reddish-brown in colour.
Sorghum is available as: whole grains (cook like rice, absorb 3x their volume), sorghum flour (whole grain or white — available from health food stores and gluten-free sections), sorghum flakes (pre-cooked, quicker to prepare), and popped sorghum (like tiny popcorn — a nutritious snack). Health food stores and bulk food retailers carry most forms. Coles and Woolworths stock sorghum flour in gluten-free sections.
Whole grain sorghum flour goes rancid faster than white flour due to the oil-containing germ. Check the best-before date and buy from stores with high turnover. Fresh whole grain sorghum flour has a mild, slightly sweet, earthy smell. Rancid flour smells sour or bitter. Refrigerate after opening.
🧊 Storage tips & shelf life
Whole sorghum grains are very shelf-stable in a sealed container away from moisture. Whole grain sorghum flour is less stable — store sealed and check for rancidity before use. In warm Australian conditions, refrigerate flour after opening.
Refrigerate opened sorghum flour to extend freshness and prevent rancidity. Cooked sorghum grains store well in the fridge for 5 days and can be added cold to salads, soups and grain bowls — resistant starch increases when cooled, improving GI.
Sorghum flour freezes excellently with no quality loss — extends shelf life dramatically. Cooked sorghum freezes well portioned for meal prep. Add directly to hot dishes from frozen or thaw overnight for salads.
📖 About sorghum — complete guide
Sorghum (Sorghum bicolor) is the fifth most important cereal crop in the world by production volume — yet it remains largely unknown in Australian home kitchens despite the country being a significant global producer. Its obscurity in Western diets contrasts sharply with its importance globally: sorghum is a dietary staple for over 500 million people across sub-Saharan Africa and South Asia, where it is consumed as porridge (ugali, tô), flatbread (injera base, roti), fermented beverages and whole grain preparations that predate Western culinary traditions by thousands of years. The crop originated in northeastern Africa approximately 8,000 years ago and spread throughout Africa, India and China along ancient trade routes.
Nutritionally, sorghum's most significant property is its gluten-free status combined with a reasonable whole grain nutrient profile — making it one of the few gluten-free grains that provides meaningful protein (10.6g/100g), fibre (6.3g), magnesium (41% RDI) and iron (24% RDI) alongside its carbohydrate. This stands in contrast to the typical gluten-free grain alternatives (rice, tapioca, potato starch) which provide minimal micronutrition. As a cooking ingredient, whole grain sorghum behaves like a larger, chewier version of millet — it absorbs approximately 3 times its volume in water during cooking and has a pleasant, slightly nutty flavour that works in both sweet and savoury applications. Sorghum flour can replace 25–50% of wheat flour in most baking recipes, significantly improving the nutritional profile of gluten-free baked goods.