Hu Yichun, Li Min, Piao Jianhua, Yang Xiaoguang
Institute of Nutrition and Food safety, Chinese CDC, Beijing 100050, China.
Wei Sheng Yan Jiu. 2010 Jan;39(1):32-5.
To study the digestibility of protein and amino acids in lysine-rich genetically modified (GM) rice and its parental rice.
Eight Wuzhishan Mini-pig Inbred-line as the experimental animals, T-cannulas were equipped at their terminal ileums by surgical operation. Six of them, which were well-healed and with good appetite, were fed with lysine-rich genetically modified rice and its parental rice, and digesta of each pig was collected and analyzed respectively for comparing their apparent digestibility (AD) and true digestibility (TD). The endogenous amino acids losses were determined by casein diet method.
The AD and TD of protein are very similar in the two types of rice. There are no statistical differences in the AD of all amino acids except for Cysteine, and there are no statistical differences in the TD of all 18 amino acids.
The lysine-rich GM rice has no statistical difference with its parental rice in terms of protein and amino acid digestion and absorption in Wuzhishan mini-pigs.
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