Dioscorea rotundata

White yam

The most popular yam in West Africa. The stem of this variety is round without wings and prickly at the base. The white flesh of the tubers produces a mealy starch. The tubers store well. The peelings are fed to pigs.

					As % of dry matter
				DM	CP	CF	Ash	EE	NFE	Ca	P	Ref
Fresh tubers,
Nigeria				26.2	5.9	2.4	4.3	0.5	86.9			374
Fresh tubers,
peeled, Nigeria				24.1	4.4	1.5	2.8	0.3	91.0			"
Fresh peelings,
Nigeria				17.7	11.2	9.5	9.8	1.2	68.3			"
		Amino acid composition as % of crude protein
Tuber											Ref	385
Arg	Cys	Gly	His	Ils	Leu	Lys	Met	Phe	Thr	Try	Tyr	Val
7.5	0.8	1.5	2.1	3.3	5.2	3.5	0.9	4.7	3.4	-	3.3	4.4