Okra

Okra

Tropical vegetable for the gut microbiome

Vegetables

Abelmoschus esculentus

Origin: West Africa

#african#caribbean#gut-health#vitamin-k

✔ Source of fibre✔ High protein✔ Fat-free✔ Low sugar✔ Low sodium

What is this ingredient?

## Botanical Characteristics and Cultural Significance

Okra (Abelmoschus esculentus) is a tropical vegetable from the mallow family (Malvaceae), whose edible green pods are rich in nutrients and bioactive compounds. Originally from West Africa, okra is now cultivated worldwide in tropical and subtropical regions. The plant produces distinctive five-sided pods 5-15 cm long, harvested young for culinary use. Okra is a cornerstone of many traditional cuisines: in Louisiana gumbo, Middle Eastern bamia, Indian bhindi masala, and many African stews.

## Mucilage: The Unique Mucilaginous Substance for the Gut Microbiome

The most distinctive property of okra is mucilage, a gel-like viscous substance released when cutting or cooking. This mucilage consists of soluble fibers in the form of gums and pectins (Gemede et al., 2015). Scientific research shows that okra mucilage supports the gut microbiome by protecting the intestinal lining, reducing inflammation, and promoting growth of healthy gut bacteria. In a study with obese mice, okra powder supplementation strongly inhibited high-fat diet-induced high blood glucose, body weight gain and liver fat accumulation, while improving gut microbiota diversity (Chen et al., 2020).

## Soluble Fiber and Lipid Interaction Under Investigation

Okra has proven effects on metabolic health. Multiple randomized clinical trials have investigated the effects of okra supplementation on blood glucose parameters, hemoglobin A1c and lipid profiles in patients with type 2 diabetes (Sabitha et al., 2011; Khosravi et al., 2022). A meta-analysis concludes that okra treatment improves glycemic control and can be used as a supplemental dietary nutrient, especially in pre-diabetic patients due to its potential to regulate hyperglycemia (Afroz et al., 2023).

The preclinically studied interaction of okra fiber with lipids is mediated by inhibition of lipogenesis (fat formation) via SREBP1c and FAS, and by upregulation of cholesterol degradation via CYP7A1 (Sabitha et al., 2013). The soluble fibers in okra bind to bile salts in the intestine, increasing fecal excretion of bile acids — a mechanism associated with lower lipid values in animal studies.

## Antioxidants and Bioactive Compounds Under Investigation

Okra is rich in polyphenols and flavonoids that reduce oxidative stress and inflammation. Okra polysaccharide improves antioxidant capacity via PI3K/AKT pathways and Nrf2 translocation in a type 2 diabetes model (Liao et al., 2019). The antioxidant properties of okra mucilage show higher total phenolic content and stronger free radical-scavenging activity compared to peel-seed extracts (Kumar et al., 2021).

How does it taste?

Mild, grassy and slightly earthy. Has a characteristic mucilaginous texture when stewed.

Pairs well with:

Pairs well with tomatocumincorianderlemon and garlic.

Did you know...?
  • Okra is related to hibiscus and has similar flowers before the pods form.
  • Okra originates from Ethiopia and was brought to the Americas via the slave trade.

Nutritional Value & Energy

Per 100g

Okra is low in calories thanks to natural nutrients , buffered by fiber.

33 kcal (138 kJ)
3.2g Fiber

1.9gProtein
7.5gCarbs
0.2gFat
1.5gSugar
7mgSodium

Per 100g

Minerals

0.6mg Iron 82mg Calcium 0.6mg Zinc 57mg Magnesium 299mg Potassium 0.7mcg Selenium

Vitamins

36mcg Vitamin A 0.22mg Vitamin B6 0.0mcg Vitamin B12 23mg Vitamin C 0.0mcg Vitamin D 0.3mg Vitamin E 31mcg Vitamin K 60mcg Folate

Omega-3 fatty acids

0mg DHA 0mg EPA
More nutrients

B-Vitamins

0.20mg Thiamin (B1) 0.06mg Riboflavin (B2) 0.0mg Niacin (B3) 0.25mg Pantothenic Acid (B5)

Trace Minerals

0.11mg Copper 0.79mg Manganese 63mg Phosphorus

What's in a serving?

1 serving

Vitamin C good 29%

Okra naturally contains vitamin c (23 mg per 100 g).

Vitamin K a lot 42%

Okra naturally contains vitamin k (31.3 mcg per 100 g).

Folate a lot 30%

Okra naturally contains folate (60 mcg per 100 g).

Calcium a little 10%
Magnesium good 15%

Okra naturally contains magnesium (57 mg per 100 g).

Potassium good 15%
Iron a small amount 4%
Zinc a little 6%

% of daily reference intake (DRI)

EU-approved nutrition claims
✔ EFSA claims via nutrients

This ingredient contains nutrients for which EFSA-authorized health claims exist (at nutrient level, not ingredient-specific).

Approved health claims (EU)

Vitamin_c EU 432/2012

Vitamin C contributes to the normal function of the immune system

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to the reduction of tiredness and fatigue

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal collagen formation for the normal function of skin

Contains 23mg/100g (threshold: ≥12mg/100g)

Magnesium EU 432/2012

Magnesium contributes to normal muscle function

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to the reduction of tiredness and fatigue

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to normal functioning of the nervous system

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Folate EU 432/2012

Folate contributes to normal blood formation

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Folate EU 432/2012

Folate contributes to normal amino acid synthesis

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Folate EU 432/2012

Folate contributes to normal homocysteine metabolism

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Folate EU 432/2012

Folate contributes to normal psychological function

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Folate EU 432/2012

Folate contributes to the normal function of the immune system

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Folate EU 432/2012

Folate has a role in the process of cell division

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Folate EU 432/2012

Folate contributes to maternal tissue growth during pregnancy

Contains 60mcg/100g (threshold: ≥30mcg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal collagen formation for the normal function of blood vessels

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal collagen formation for the normal function of bones

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal collagen formation for the normal function of cartilage

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal collagen formation for the normal function of gums

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal collagen formation for the normal function of teeth

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal energy-yielding metabolism

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal functioning of the nervous system

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to normal psychological function

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to the protection of cells from oxidative stress

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to the regeneration of the reduced form of vitamin E

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C increases iron absorption

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_c EU 432/2012

Vitamin C contributes to maintain the normal function of the immune system during and after intense physical exercise

Contains 23mg/100g (threshold: ≥12mg/100g)

Vitamin_k EU 432/2012

Vitamin K contributes to normal blood clotting

Contains 31.3mcg/100g (threshold: ≥11.25mcg/100g)

Vitamin_k EU 432/2012

Vitamin K contributes to the maintenance of normal bones

Contains 31.3mcg/100g (threshold: ≥11.25mcg/100g)

Magnesium EU 432/2012

Magnesium contributes to normal energy-yielding metabolism

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to electrolyte balance

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to normal protein synthesis

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to normal psychological function

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to the maintenance of normal bones

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium contributes to the maintenance of normal teeth

Contains 57mg/100g (threshold: ≥56.25mg/100g)

Magnesium EU 432/2012

Magnesium has a role in the process of cell division

Contains 57mg/100g (threshold: ≥56.25mg/100g)

What's being researched?
Metabolic

Mucilage and blood sugar research

Mucilage in okra is being studied for potential effects on blood sugar levels through delayed sugar absorption. Animal studies are promising, but human clinical trials are still limited.

Supported by: [2] Afroz (2023) , [1] Chen (2020) , [4] Liao (2019)

Digestive

Soluble fiber and the gut microbiome

Soluble fiber in okra is being studied for prebiotic properties and gut flora support. Preliminary evidence suggests beneficial effects on gut microbiota.

Supported by: [5] Gemede (2015) , [1] Chen (2020)

Good Combinations (Synergy)

Combine okra smartly to enhance the effect:

Complementary
Okra Okra Turmeric Turmeric

Double glycemic modulation via mechanical delay and AMPK activation

Okra polysaccharides delay glucose absorption (PMID: 32156377), curcumin activates AMPK and GLUT4 (PMID: 24672885)

Technical: Okra mucilage forms a gel in the gut that mechanically delays glucose absorption, flattening postprandial spikes. Curcumin from turmeric activates the AMPK pathway and stimulates GLUT4 expression. Together they influence glycemic response complementarily: okra slows glucose influx, curcumin modulates cellular glucose uptake via AMPK.

What does this mean for you? Okra curry with turmeric (like bhindi masala) influences glycemic response through two pathways. Okra mechanically slows sugar absorption, turmeric modulates via the AMPK pathway — complementary biochemical mechanisms in one dish.

Absorption 3×
Okra Okra Olive Oil Olive Oil

Olive oil increases absorption of fat-soluble vitamin K and polyphenols from okra

Phylloquinone in plant foods requires dietary fat for adequate absorption, only 4-17% is absorbed without fat (NIH Office of Dietary Supplements)

Technical: Okra contains 31.3μg vitamin K1 (phylloquinone) per 100g, which is fat-soluble and tightly bound to chloroplasts in plant foods. Without fat, only 4-17% is absorbed. Oleic acid (73%) from olive oil forms mixed micelles that release phylloquinone from the cell matrix and improve intestinal absorption up to 3x. Olive oil itself also contains 8.1μg vitamin K per tablespoon.

What does this mean for you? Fry okra in olive oil for maximum vitamin K absorption. The traditional preparation method (frying in oil) is scientifically optimal — the fat makes vitamin K accessible to your body.

Complementary
Okra Okra Tomato Tomato

Complementary lipid pathways via bile acid binding and LDL oxidation modulation

Okra soluble fibers bind bile acids and inhibit lipogenesis via SREBP1c (PMID: 23606408)

Technical: Okra mucilage binds 35% of bile acids in the gut (comparable to chitosan), causing the liver to convert cholesterol into new bile acids — influencing lipid metabolism. Tomato lycopene (2573μg/100g) modulates LDL oxidation. Together they work complementarily through two lipid pathways: okra influences lipid metabolism quantitatively, tomato modulates LDL oxidation.

What does this mean for you? Okra stewed with tomato (like in gumbo or bamia) combines two complementary lipid pathways. The bile acid binding from okra and LDL oxidation modulation from tomato work through different biochemical mechanisms.

Synergy
Okra Okra Yogurt Yogurt

Synbiotic effect: okra mucilage prebiotic + yogurt probiotics increase butyrate

Okra polysaccharides increase butyrate-producing bacteria and SCFA production in the gut (PMID: 32156377)

Technical: Okra mucilage contains soluble fibers (gums and pectins) serving as prebiotic substrate for gut bacteria. Yogurt provides Lactobacillus and Bifidobacterium strains (probiotic). Okra polysaccharides are selectively fermented by these probiotics into short-chain fatty acids, especially butyrate, which nourishes colonocytes and modulates NF-κB.

What does this mean for you? Okra in curry with a dollop of yogurt is a synbiotic combination. The mucilage fibers from okra feed the beneficial bacteria from yogurt — prebiotic and probiotic in one meal.

In the Kitchen

Storage

Location:Refrigerator

Shelf life:3-4 dagen in de koelkast

Store okra in a paper bag in the vegetable drawer to absorb moisture. Wash okra only just before use to prevent spoilage. Freeze okra after blanching for long-term storage.

Preparation

Okra can be fried in hot oil until crispy (to reduce sliminess), stewed in gumbo or curry, grilled as a side dish, or raw in salads. To minimize mucilage: keep okra whole, don't cut before cooking, and fry at high heat. To utilize mucilage: cut okra and slow-cook as thickening agent in soups.

Substitutes

paprika 1:1 For texture in dishes, but without the thickening mucilage
courgette 1:1 Similar texture, no thickening properties

Smart preparation

1Don't cut okra too small to limit the sliminess.

Why?

The more cut surface, the more slime is released during cooking.

2Fry okra on high heat or roast in the oven for less slime.

3Add a splash of lemon juice or vinegar to reduce slime formation.

Caution / Warnings

Okra is very safe, but there are scientific considerations:

Diabetes medication (metformin, insulin) Moderate

Okra can lower blood glucose, which in combination with diabetes medication can lead to hypoglycemia

Advice:

Monitor blood glucose closely with concurrent use and consult your doctor about possible medication dose adjustment

Allergy to Malvaceae family Severe

People with allergy to hibiscus or other plants from the mallow family may also be allergic to okra

Advice:

Avoid okra with known allergy to Malvaceae plants

Kidney stones (oxalate-rich) Moderate

Okra contains oxalates that can contribute to kidney stone formation in susceptible individuals

Advice:

With a history of calcium oxalate kidney stones: eat okra in moderate amounts and drink plenty of water

Traditional use

African

West African traditional use

Okra originates from West Africa and has been used there for centuries, both as food and in folk medicine for stomach complaints and during childbirth.

Ayurveda

Ayurvedic mucous membrane restorative

In Ayurveda, okra is valued for its mucilaginous properties that protect and soothe the digestive tract.

Summary

Okra is a tropical vegetable with unique mucilage (viscous substance) that supports the gut microbiome and protects the intestinal lining. Its soluble fiber is being studied for interactions with blood sugar and lipids, and for potential effects on gut microbiota, making okra an especially interesting subject in metabolic and digestive research.

Scientific Sources [1] Chen, H.J., et al. (2020) Effect of okra fruit powder supplementation on metabolic syndrome and gut microbiota diversity in high fat diet-induced obese mice Food & Function Effect of okra fruit powder supplementation on metabolic syndrome and gut microbiota diversity in high fat diet-induced obese mice In vivo PMID: 32156377 [2] Afroz, R., et al. (2023) Okra ameliorates hyperglycaemia in pre-diabetic and type 2 diabetic patients: A systematic review and meta-analysis of the clinical evidence Heliyon Okra ameliorates hyperglycaemia in pre-diabetic and type 2 diabetic patients: A systematic review and meta-analysis of the clinical evidence Meta-analysis PMID: 37077817 [3] Sabitha, V., et al. (2013) Hypolipidemic activity of okra is mediated through inhibition of lipogenesis and upregulation of cholesterol degradation Phytotherapy Research Hypolipidemic activity of okra is mediated through inhibition of lipogenesis and upregulation of cholesterol degradation Review PMID: 23606408 [4] Liao, H., et al. (2019) Polysaccharide from Okra (Abelmoschus esculentus (L.) Moench) Improves Antioxidant Capacity via PI3K/AKT Pathways and Nrf2 Translocation in a Type 2 Diabetes Model Molecules Polysaccharide from Okra (Abelmoschus esculentus (L.) Moench) Improves Antioxidant Capacity via PI3K/AKT Pathways and Nrf2 Translocation in a Type 2 Diabetes Model Review PMID: 31108940 [5] Gemede, H.F., et al. (2015) Okra (Abelmoschus esculentus L.) as a Potential Functional Food Source of Mucilage and Bioactive Compounds with Technological Applications and Health Benefits Molecules Okra (Abelmoschus esculentus L.) as a Potential Functional Food Source of Mucilage and Bioactive Compounds with Technological Applications and Nutritional properties Review PMID: 34451728

This information is intended for educational purposes and does not replace medical advice. Consult a doctor or dietitian for personal advice.