Yam

Botanical Name	Dioscorea spp.
Family	Dioscoreaceae
Common Types	White Yam (D. rotundata), Water Yam (D. alata), Yellow Yam (D. cayenensis)
Shape	Cylindrical, tuberous, sometimes irregular
Size	Length: 15–100 cm; Diameter: 5–15 cm
Weight	Typically 1–5 kg per tuber
Color (Outer Skin)	Brown to dark brown
Color (Flesh)	White, cream, purple (varies by species)
Texture (Skin)	Rough, scaly, and fibrous
Texture (Flesh)	Firm, starchy
Moisture Content	60–80% (varies by variety and maturity)
Dry Matter Content	20–40%
Specific Gravity	1.1–1.2 (approximate)
Taste	Mildly sweet to bland (depends on variety)
Maturity Duration	6–10 months (depending on species and climate)
Shelf Life (Raw)	1–3 months (under proper storage conditions)

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