Karuppu Kollu / கருப்பு கொள்ளு

🌿 What is Karuppu Kollu (Macrotyloma uniflorum)?

Karuppu Kollu, commonly known as Black Horse Gram, is a traditional pulse obtained from the seeds of Macrotyloma uniflorum. It is one of the oldest cultivated legumes in India and has been widely used in Siddha, Ayurveda, and traditional diets for centuries. Known for its rich nutritional profile and earthy flavour, Karuppu Kollu is traditionally valued for supporting digestive wellness, metabolic health, heart wellness, healthy weight management as part of a balanced diet, and overall vitality. Naturally rich in plant protein, dietary fibre, antioxidants, vitamins, and essential minerals, it is commonly consumed as sprouts, soups, porridge, curries, and herbal preparations.

🌱 Description of Karuppu Kollu Plant

Botanical Name: Macrotyloma uniflorum

Family: Fabaceae

Common Names: Black Horse Gram, Horse Gram, Kulthi Bean, Hurali

Plant Type: Annual leguminous herb

Height: Typically grows between 30–60 cm (1–2 feet).

Leaves: Trifoliate green leaves with soft hairs.

Flowers: Small pale yellow to light green flowers.

Pods: Slender pods containing several hard black seeds.

Seeds: Small, oval-shaped, shiny black seeds with a hard outer coat.

Roots: Strong taproot system with nitrogen-fixing root nodules that improve soil fertility.

🌍 Habitat of Karuppu Kollu

Karuppu Kollu thrives in warm, dry tropical climates and is well adapted to low rainfall conditions. It grows well in well-drained sandy and loamy soils and is considered one of the most drought-resistant pulse crops.

It is cultivated in:

India
Sri Lanka
Nepal
Bangladesh
Myanmar

Within India, it is widely cultivated in:

Tamil Nadu
Karnataka
Andhra Pradesh
Telangana
Maharashtra
Odisha
Chhattisgarh

🌟 Traditional Wellness Benefits of Karuppu Kollu

Digestive Wellness

Traditionally consumed to support healthy digestion due to its natural dietary fibre content.

Protein-Rich Nutrition

A natural source of plant-based protein that supports a balanced diet.

Metabolic Wellness

Traditionally included in healthy diets that support normal metabolism and active lifestyles.

Heart Wellness

Naturally low in fat and commonly included as part of a heart-conscious diet.

Healthy Weight Management

Its protein and fibre content may help promote satiety as part of a balanced diet and healthy lifestyle.

Antioxidant Support

Contains naturally occurring antioxidants that help protect cells from oxidative stress.

General Vitality

Traditionally valued as a nourishing pulse that supports strength, stamina, and overall wellness.

🧪 Nutritional Components of Karuppu Kollu

Karuppu Kollu naturally contains several beneficial nutrients, including:

Plant Protein

Supports muscle maintenance and overall nutrition.

Dietary Fibre

Supports digestive health and promotes satiety.

Iron

An essential mineral required for normal body functions.

Calcium

Supports normal bone and teeth health as part of a balanced diet.

Phosphorus

Contributes to healthy bones and energy metabolism.

Potassium

Supports normal muscle and nerve function.

Polyphenols

Naturally occurring antioxidants that contribute to cellular wellness.

🍵 Usage and Dosage

Cooking

Karuppu Kollu can be used to prepare:

Kollu Soup
Rasam
Sundal
Curry
Porridge
Sprouts
Dosa Batter
Chutney

Preparation

Wash thoroughly.
Soak for 8–10 hours.
Cook until soft before consumption.

Suggested Use

Consume as part of a balanced daily diet.

⚠️ Precautions

Moderate Consumption

Consume as part of a balanced and varied diet.

Digestive Sensitivity

Soaking and cooking thoroughly may help improve digestibility.

Existing Medical Conditions

Individuals with specific dietary restrictions should consult a qualified healthcare professional before making significant dietary changes.

Storage

Store in an airtight container in a cool, dry place away from moisture and pests.

🌿 Organic and Ethical Considerations

Purity

Choose Karuppu Kollu free from artificial preservatives, colours, and additives.

Sustainable Farming

Prefer organically grown and sustainably cultivated produce whenever available.

Quality Assurance

Purchase clean, hygienically processed, and quality-tested products from trusted suppliers.

Traditional Preparation

Traditionally, mature pods are harvested after drying naturally on the plant. The seeds are separated, cleaned, sun-dried, and hygienically packed to preserve freshness, nutritional quality, and natural flavour.

Traditional Uses

Digestive wellness
Protein-rich nutrition
Metabolic wellness
Heart wellness
Healthy weight management
Antioxidant support
Traditional soups
Sprouting
Siddha preparations
General vitality

Botanical Name

Macrotyloma uniflorum

Common Name

Karuppu Kollu
Black Horse Gram
Horse Gram
Kulthi Bean
Hurali

Different Languages

English: Black Horse Gram / Horse Gram

Tamil: கருப்பு கொள்ளு (Karuppu Kollu)

Malayalam: മുതിര (Muthira)

Telugu: ఉలవలు (Ulavalu)

Kannada: ಹುರಳಿ ಕಾಳು (Hurali Kalu)

Hindi: कुल्थी (Kulthi)

Sanskrit: कुलत्थ (Kulattha)

Marathi: कुळीथ (Kulith)

Gujarati: કુલથી (Kulthi)

Bengali: কুলথি ডাল (Kulthi Dal)

🧪 Nutritional Facts, Info & Dosage

Nutritional Information (Approximate values per 100 g of dried Karuppu Kollu)

Energy: 321 kcal
Protein: 22 g
Carbohydrates: 57 g
Dietary Fibre: 5–6 g
Fat: 0.5–1.5 g
Calcium: 280 mg
Iron: 6–8 mg
Phosphorus: 310 mg
Potassium: Naturally present
Polyphenols: Naturally occurring
Natural Antioxidants: Present

Suggested Serving

Whole Seeds: 30–50 g per serving after soaking and cooking, as part of a balanced diet.
Sprouts: ½–1 cup as part of meals or salads.
Powder: Use as required in traditional recipes such as porridge, dosa, or soups.

Note: Nutritional values are approximate and may vary depending on the variety, cultivation method, and processing. Consume as part of a balanced and varied diet.

🍵 How To Consume, Use & Store

How to Consume

Soak overnight and cook thoroughly before consumption.
Prepare as soup, rasam, curry, sundal, porridge, or chutney.
Sprout the seeds for use in salads and healthy recipes.
Grind into flour for preparing dosa, adai, or other traditional dishes.

How to Use

Daily cooking
Traditional Tamil recipes
Healthy soups
Sprouted salads
Herbal dietary preparations
Nutritious breakfast recipes

How to Store

Store in an airtight container.
Keep in a cool, dry place.
Protect from moisture, insects, and direct sunlight.
Use a clean and dry spoon while handling.
Refrigerate for extended storage in humid climates if needed.

🌿 Caution, Tips & Harvesting

Caution

Consume Karuppu Kollu as part of a balanced and varied diet.
Soak and cook thoroughly before consumption.
Excessive intake may cause digestive discomfort in some individuals due to its high fibre content.
Individuals with specific medical conditions or dietary restrictions should consult a qualified healthcare professional before making significant dietary changes.
Always purchase clean, good-quality seeds from trusted suppliers.

Tips

Soak Karuppu Kollu for 8–10 hours before cooking to improve texture and digestibility.
Sprouting the seeds may enhance their nutritional value and improve taste.
Use in soups, rasam, curries, sundal, dosa batter, porridges, and chutneys.
Combining Karuppu Kollu with spices such as cumin, garlic, ginger, and pepper enhances flavour.
Store properly to maintain freshness and prevent insect infestation.

Harvesting

Karuppu Kollu is harvested after the pods mature and dry naturally on the plant. The dried pods are collected, and the seeds are separated, cleaned, sun-dried, and graded before hygienic packing. Proper drying helps preserve the seeds’ nutritional quality, flavour, and storage life.

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Weight	N/A
Quantity	250grams, 50grams, 100grams, 200grams, 400grams, 1kg

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