L-Theanine Administration Modulates the Absorption of Dietary Nutrients and Expression of Transporters and Receptors in the Intestinal Mucosa of Rats
Table 2
Effects of L-theanine administration on average daily gain and biochemical parameters in serum of rats.
Item
Treatments (mg/kg BWd)
value
0
50
200
400
Linear
Quadratic
Average daily gain, g/d
5.24 ± 0.17
6.01 ± 0.17
6.15 ± 0.17
5.98 ± 0.17
0.038
<0.01
Glucose, mM
5.65 ± 0.29
5.31 ± 0.29
5.74 ± 0.29
4.77 ± 0.30
NS
NS
Insulin, uIU/mL
43.2 ± 2.18
41.7 ± 2.18
26.3 ± 2.26
19.0 ± 3.08
<0.001
NS
Cholesterol, mM
2.23 ± 0.09
2.08 ± 0.09
2.13 ± 0.09
2.05 ± 0.09
NS
NS
Triglyceride, mM
1.23 ± 0.07
1.21 ± 0.07
1.02 ± 0.07
1.16 ± 0.07
NS
NS
NEFA, mM
1.27 ± 0.13
1.35 ± 0.10
1.45 ± 0.11
1.31 ± 0.10
NS
NS
Urea, mM
5.42 ± 0.16
4.85 ± 0.16
5.70 ± 0.16
5.38 ± 0.17
NS
NS
LDL, mM
0.339 ± 0.02
0.341 ± 0.02
0.354 ± 0.02
0.347 ± 0.02
NS
NS
HDL, mM
1.74 ± 0.06
1.52 ± 0.06
1.60 ± 0.06
1.60 ± 0.06
NS
NS
BW: body weight, NEFA: non-esterified fatty acids, LDL: low-density lipoprotein, HDL: high-density lipoprotein, and NS: not significant. Means within a row not bearing a common superscript letter differ (). Data were reported as mean ± SE. Data of average daily gain were cited by Tong et al. (2016).