Table 3 Nutritional analysis of Curcuma longa L.

Nutrients	Raw Curcuma longa L.	Curcuma longa L. ambient ground		Curcuma longa L. freezing ground
		Contents	Retention rate (%)	Contents	Retention rate (%)
Calorie (Kcal/100g)	327.16	299.78	91.63	472.68	144.48
Fat (g/100g)	4.94	5.15	104.25	5.23	105.87
Protein (g/100g)	8.02	9.96	124.19	7.01	87.41
Ash (g/100g)	8.64	9.28	107.41	8.91	103.13
Carbohydrate (g/100g)	78.4	75.62	96.45	78.86	100.59
beta-carotene (mg/100)	0	0	-	0	-
Ca (mg/100)	88.89	95.86	107.84	103.80	116.77
Fe (mg/100)	1.23	2.35	191.06	3.09	251.22
K (mg/100)	3,462.35	3,584.56	103.53	3,800.83	109.78
Na (mg/100)	7.41	8.84	119.30	14.25	192.31
P (mg/100)	416.67	463.87	111.33	470.67	112.96
Niacin (mg/100)	0.62	0.56	91.63	0.24	38.71
Vitamin B1 (mg/100)	0	0	-	0.12	-
Vitamin B2 (mg/100)	0	0.11	-	0.12	-
Dietary fiber (g/100g)	31.48	44.63	141.77	18.17	57.72