Proximate, Antinutrients and Mineral Composition of Raw and Processed (Boiled and Roasted) Sphenostylis stenocarpa Seeds from Southern Kaduna, Northwest Nigeria

Table 1

Proximate composition of processed and unprocessed African Yam Bean (Sphenostylis stenocarpa) sample based on dry mass of the seeds.

	Crude protein (%)	Ash (%)	Nitrogen-free extract (%)	Lipids (%)	Moisture (%)	Crude fiber (%)	CHO (%)	Gross Energy (KJ/100 g)	NPN (%)	True protein (%)
Raw	21.78±0.17^b	2.64±0.06^a	54.22±0.55^a	2.84±0.16^c	9.23±0.20^b	9.29±0.27^b	63.51±0.35^a	1530.36±3.95^b	1.95±0.02^b	19.83±0.16^b
Boiled	19.74±0.42^a	2.61±0.69^a	55.92±0.44^b	1.79±0.03^a	11.95±0.07^c	7.99±0.02^a	63.91±0.42^a	1464.51±2.37^a	1.56±0.03^a	18.18±0.44^a
Roasted	20.47±0.35^a	2.61±0.07^a	61.24±0.13^c	2.41±0.06^b	4.88±0.44^a	8.38±0.26^a	69.62±0.13^b	1595.49±9.09^c	2.09±0.42^c	18.38±0.33^a

Values are expressed as mean ± SEM. Different superscripts down the column are significantly different from each other at 𝑃<0.05.