Arrowroot is a starchy tuber extracted from the rhizomes of the perennial plant Maranta arundinacea, prized since the 19th century as a pure, easily digestible starch used in delicate baking, sauces, and as a gluten-free thickener.
History & Origins
Arrowroot was first documented by European naturalists in the Caribbean and northern South America during the early 16th century, where Indigenous peoples used the ground rhizome both as food and as a poultice for wound care. The starch was commercially cultivated in the West Indies by the 18th century and became a prized export to Europe, where it was marketed as a light, nutritious food for invalids and infants. By the mid-1800s, arrowroot production expanded to India, Southeast Asia, and parts of Africa, where it became integrated into local cuisines. Its popularity as a thickening agent waned with the rise of corn starch in the 20th century, yet it remains a specialty ingredient in gluten-free and clean-label food production today.
Nutrition Facts
Per 100 g, edible portion (estimated)
- 60 kcalCalories
- 83 gWater
- 0.8 gProtein
- 0.4 gFat
- 0.1 gSaturated Fat
- 15 gCarbs
- 1.6 gFiber
- 14 gSugars
- 168 mgPotassium
- 11 mgCalcium
- 0.2 mgIron
- 10 mgMagnesium
- 36 mgVitamin C
- 54 mcgVitamin A
- 4 mcgVitamin K
- 43 mcgFolate
Culinary Uses
- Used as a gluten-free thickener for fruit pie fillings, gravies, and sauces
- Mixed with cold water to form a slurry for smooth, clear gels in soups and custards
- Ground into flour for biscuits, cookies, and gluten-free baking
- Prepared as a digestible porridge or gruel for infants and convalescents
- Used in traditional arrowroot pudding and Island-style sweets
Known Benefits
- Highly digestible starch, suitable for people with digestive sensitivities
- Gluten-free and grain-free, making it safe for celiac and wheat-allergic individuals
- Produces a clear, glossy thickening — preferred in delicate sauces and pie fillings
- Low in anti-nutrients compared to other tubers, as it lacks lectins and phytates
Hidden Benefits
- Contains resistant starch that ferments in the colon, supporting beneficial gut microbiota
- The fiber matrix in raw arrowroot may modestly aid blood sugar regulation when consumed regularly
- Traditional use as a wound poultice hints at mild antimicrobial compounds in the fresh rhizome
- Contains small amounts of magnesium and potassium that support muscle and nerve function
Cautions & Considerations
- Highly refined starch with a high glycemic index; diabetics should monitor portions
- Provides negligible protein and micronutrients; should not replace nutrient-dense foods in the diet
- Cross-contamination risk in commercial facilities that also process wheat, corn, or tree nuts
- Not suitable as a sole food source; lacks essential amino acids and fats for complete nutrition
