#74 of 96 in Fruit · scored 73/100
Quince is a hard, astringent fruit rich in soluble fiber and polyphenols, traditionally cooked to enhance digestibility and nutrient bioavailability. Its low glycemic load and high pectin content make it valuable for gut health and metabolic regulation.
18.8 g net carbs after fiber.
Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.
These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 73.
Native to the Caucasus and Central Asia, quince has been cultivated for over 4,000 years and was revered in ancient medicine for digestive support. Unlike most fruits, quince is rarely eaten raw due to its astringency; cooking breaks down cell walls and converts pectin into more bioavailable forms. The fruit contains significant amounts of chlorogenic acid and catechin polyphenols, compounds extensively studied for their antioxidant and anti-inflammatory properties. Quince's exceptionally high pectin content—a soluble fiber that comprises up to 1.5% of fresh weight—makes it particularly valuable for prebiotic effects, feeding beneficial gut bacteria and supporting SCFA production. The fruit's modest vitamin C content (15 mg/100g) is relatively stable during cooking due to the protective effect of polyphenols. Quince also provides meaningful potassium (197 mg/100g), supporting cardiovascular function and blood pressure regulation. Traditional use in gastrointestinal remedies aligns with modern research showing pectin's role in improving insulin sensitivity and lipid profiles. The combination of low calories (57 kcal/100g) and high fiber (1.9g) with minimal sugar load makes quince an excellent choice for metabolic health and longevity-focused nutrition, particularly when prepared as preserves, poaches, or pastes that concentrate its beneficial compounds.
Quince's high pectin content acts as a prebiotic, selectively feeding beneficial bacteria like Faecalibacterium prausnitzii and Roseburia species, which produce butyrate—a key metabolite for colonocyte health and systemic inflammation reduction
Soluble fiber and polyphenols slow gastric emptying and carbohydrate absorption, reducing postprandial glucose spikes; chlorogenic acid inhibits glucose-6-phosphatase activity in hepatocytes
Catechins and chlorogenic acid neutralize free radicals and suppress pro-inflammatory cytokine production (TNF-α, IL-6), particularly after thermal processing which increases polyphenol extractability
Potassium content (197 mg/100g) activates Na+/K+-ATPase pumps, reducing vascular smooth muscle tone and supporting endothelial function; fiber reduces LDL cholesterol via bile acid sequestration
Pectin-derived butyrate strengthens tight junctions through histone deacetylase inhibition; polyphenols suppress pathogenic bacteria overgrowth and reduce lipopolysaccharide translocation
Quince's prebiotic fiber and polyphenols are optimally leveraged when consumed with meals containing other macronutrients, supporting digestive efficiency and glucose regulation. Midday consumption allows for maximal integration into daily fiber intake without overwhelming evening digestion.
Breaks a fast
Cooked quince can be consumed post-workout with protein to support glycogen repletion and micronutrient density, though it is not ideal as a standalone pre-workout food due to modest carbohydrate content.