Yam (Ratalu)

Yam (Ratalu)

Scientific Name: Dioscorea alata

Category: Root Vegetable

HSN Code: 07143000

Product Summary:

Yam, also known as Ratalu or Purple Yam, is a tropical root vegetable known for its earthy flavor and firm, starchy texture. It features a rough, bark-like skin and a purple to off-white flesh depending on the variety. Yams are widely cultivated in India and are rich in carbohydrates and dietary fiber, making them an important energy food in many traditional diets.

Physical Specifications:

Shape: Irregular, cylindrical or club-shaped tubers

Length: 10–25 cm

Weight Range: 300 g – 2 kg per tuber

Skin Color: Brown to dark brown, rough and scaly

Flesh Color: Purple, violet, or white depending on the variety

Texture: Firm and dry when raw, becomes soft and creamy when cooked

Moisture Content: ~65–70%

Aroma: Earthy and nutty when cut or boiled

Popular Varieties:

Ratalu (Purple Yam) – violet flesh, starchy, sweet flavor

Elephant Foot Yam (Suran) – not botanically identical but often grouped under yam

White Yam – firm texture, lighter flesh, neutral flavor

Nutritional & Health Benefits:

Water Content: ~70%

Calories: ~110 kcal per 100 g

Rich In:

Carbohydrates (for sustained energy)

Dietary Fiber (supports digestion)

Vitamin C (immunity boost)

Vitamin B6 (aids metabolism)

Potassium and Manganese (for muscle and nerve function)

Health Benefits:

Provides sustained energy due to complex carbs

Promotes digestive health and prevents constipation

May support brain and nerve function

Reduces inflammation and oxidative stress

Helps maintain blood sugar levels when consumed boiled or steamed

Storage & Handling:

Shelf Life:

Room Temperature: 1 to 2 weeks in a cool, dry place

Refrigerated (6–8°C, unpeeled): Up to 3 weeks

Packaging Options:

Gunny bags or mesh sacks

Corrugated boxes with paper cushioning

Standard Pack Size: 5 kg, 10 kg, or bulk sacks

Handling Instructions:

Store in a dry, ventilated area away from moisture

Do not wash before storage to avoid spoilage

Handle carefully to avoid cracking or bruising