(Vanlauwe, Diels, Sanginga and Merckx, 2001). There six class of nutrient which is carbohydrate, protein, fat, vitamin, minerals and water. Moreover, each of this class have different function to human body and the insufficient of this element will human body weak and sick. In general, nutrient can be classified into six major categories: Carbohydrate, protein, fat, vitamin, mineral and water (refer to Figure 1 in Appendix 1). The first type of nutrient are carbohydrate. Carbohydrate is important…
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