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. 2022 Feb 24;9:833730. doi: 10.3389/fnut.2022.833730

Table 2.

Proximate and mineral content of rice bran samples.

Pericarp color	Non-colored				Purple color
Endosperm type	Non-glutinous rice			Glutinous	Non-glutinous rice			Glutinous rice
Varieties	KDML 105	BB 3 CMU	BB 4 CMU	RD 6	KC CMU 107	BKU 5 CMU	K 4 CMU	KAK 1 CMU	Sang 5 CMU	PES 1 CMU	KDK
Proximate composition (%)
Dry matter	90.46 ± 0.30^de	91.53 ± 0.04^a	91.21 ± 0.00^ab	90.52 ± 0.17^de	89.19 ± 0.05^f	90.86 ± 0.10^bcd	90.82 ± 0.35^bcd	91.43 ± 0.23^a	91.13 ± 0.18^abc	90.78 ± 0.15^cd	90.18 ± 0.08^e
Ash	9.35 ± 0.21^b	8.22 ± 0.27^d	8.75 ± 0.08^c	10.27 ± 0.06^a	6.19 ± 0.24^f	7.77 ± 0.56^d	7.93 ± 0.04^d	7.12 ± 0.04^e	8.01 ± 0.02^d	10.05 ± 0.23^a	6.73 ± 0.10^e
Crude fiber	5.26 ± 0.08^d	6.72 ± 0.09^a	6.10 ± 0.27^ab	5.11 ± 0.19^d	5.47 ± 0.32^cd	6.14 ± 0.18^ab	6.20 ± 0.19^ab	6.00 ± 0.36^bc	5.05 ± 0.47^d	6.48 ± 0.37^ab	4.29 ± 0.00^e
Crude protein	12.82 ± 0.15^de	12.50 ± 0.08^ef	13.06 ± 0.06^cd	13.37 ± 0.36^c	12.04 ± 0.21^f	14.19 ± 0.29^b	13.40 ± 0.44^c	14.00 ± 0.10^b	14.93 ± 0.10^a	15.20 ± 0.02^a	12.61 ± 0.05^de
Crude fat	16.48 ± 0.19^b	18.68 ± 0.11^a	18.55 ± 0.19^a	18.42 ± 0.40^a	12.03 ± 0.30^e	13.76 ± 0.10^c	16.48 ± 0.62^b	15.96 ± 0.17^b	13.48 ± 0.56^cd	15.83 ± 0.02^b	12.84 ± 0.59^d
Gross energy, cal/g	4590.40 ± 60.81^c	4681.05 ± 43.35^ab	4750.55 ± 16.62^a	4628.25 ± 61.73^bc	4239.35 ± 14.50^f	4553.05 ± 45.75^c	4595.00 ± 37.34^c	4558.95 ± 3.04^c	4461.95 ± 27.22^d	4547.00 ± 22.20^c	4343.20 ± 5.23^e
Mineral content
K (g/100g)	2.09 ± 0.03^c	1.98 ± 0.00^e	2.13 ± 0.00^b	2.05 ± 0.01^d	1.31 ± 0.03ⁱ	1.92 ± 0.01^f	1.66 ± 0.01^g	2.02 ± 0.01^d	1.92 ± 0.01^f	2.27 ± 0.01^a	1.42 ± 0.03^h
P (g/100g)	1.30 ± 0.06^a	1.19 ± 0.00^cd	1.25 ± 0.11^abc	1.29 ± 0.02^ab	0.99 ± 0.06^e	1.20 ± 0.01^cd	1.19 ± 0.01^d	1.21 ± 0.00^bcd	1.29 ± 0.02^ab	1.24 ± 0.02^abc	1.15 ± 0.04^cd
Mg (g/100g)	0.76 ± 0.02^b	0.63 ± 0.00^e	0.72 ± 0.02^c	0.82 ± 0.01^a	0.46 ± 0.01^h	0.56 ± 0.00^f	0.62 ± 0.01^e	0.52 ± 0.01^g	0.53 ± 0.01^g	0.69 ± 0.01^d	0.47 ± 0.02^h
Ca (mg/kg)	271.75 ± 2.12^bcd	288.93 ± 35.96^bc	310.63 ± 13.26^b	397.18 ± 18.99^a	266.26 ± 20.88^bcd	237.03 ± 23.02^de	376.15 ± 15.98^a	198.68 ± 21.60^e	249.86 ± 22.15^cd	262.48 ± 3.64^cd	227.54 ± 12.57^de
Fe (mg/kg)	46.24 ± 0.55^g	71.62 ± 0.74^c	83.17 ± 1.09^a	45.98 ± 0.93^g	32.94 ± 0.84ⁱ	64.97 ± 2.01^e	50.77 ± 0.88^f	69.02 ± 0.54^d	65.27 ± 1.09^e	78.79 ± 1.34^b	37.01 ± 1.17^h
Mn (mg/kg)	90.26 ± 2.17^e	112.88 ± 5.76^cd	136.50 ± 0.60^b	121.31 ± 2.74^c	109.76 ± 0.30^d	117.30 ± 3.61^cd	116.99 ± 6.24^cd	110.15 ± 1.77^d	158.53 ± 5.44^a	154.14 ± 0.34^a	58.35 ± 9.33^f
Zn (mg/kg)	49.84 ± 2.98^e	66.07 ± 1.73^b	73.57 ± 3.98^a	49.85 ± 1.50^e	42.79 ± 1.40^f	56.76 ± 1.07^cd	57.14 ± 3.24^cd	58.46 ± 4.08^cd	54.29 ± 0.02^de	62.49 ± 1.65^bc	33.96 ± 1.95^g
Na (mg/kg)	12.38 ± 0.06ⁱ	33.10 ± 0.78^e	39.00 ± 0.63^c	19.46 ± 1.50^h	26.67 ± 0.37^f	47.64 ± 0.69^a	24.02 ± 0.51^g	38.06 ± 1.07^c	35.24 ± 0.62^d	45.84 ± 0.56^b	20.41 ± 0.00^h
Cu (mg/kg)	7.79 ± 0.76^a	3.34 ± 0.17^c	1.98 ± 0.35^de	4.76 ± 0.68^b	1.33 ± 0.12^e	1.39 ± 0.12^de	4.68 ± 0.97^b	2.25 ± 0.38^cde	1.80 ± 0.41^de	2.07 ± 0.22^de	2.56 ± 0.45^cd

All values are mean ± SD.

Values followed by different superscript letters in the same row are significantly different (P < 0.05).