Leucine Regulates the Exocrine Function in Pancreatic Tissue of Dairy Goats In Vitro

Table 2

Effects of leucine on the activities of enzymes in vitro.

Item	Levels of leucine (mM)^1				SEM^2
	0	0.40	0.80	1.60
Tissue concentration (U/g)
α-Amylase	572^b	681^a	658^a	581^b	48.5	0.017
Trypsin	3.45^c	5.69^b	7.67^a	3.88^c	0.573	<0.001
Chymotrypsin	2.68^b	4.31^a	4.86^a	3.11^b	0.736	0.008
Lipase	402	497	530	525	38.8	0.258
Release (U/g tissue)
α-Amylase	221^c	308^a	310^a	268^b	37.6	0.012
Trypsin	1.05^b	2.57^a	2.48^a	2.71^a	0.474	0.029
Chymotrypsin	0.88^b	2.30^ab	2.61^a	2.77^a	0.385	0.024
Lipase	116	112	125	121	17.1	0.207
Total activity (U/g tissue)
α-Amylase	793^b	989^a	968^a	849^b	75.145	<0.001
Trypsin	4.50^c	8.26^ab	10.15^a	6.59^b	0.652	0.005
Chymotrypsin	3.36^c	6.61^ab	7.47^a	5.88^b	0.536	0.012
Lipase	518	607	655	646	20.7	0.092

¹One-way ANOVA. Differences were considered significant at . ²Pooled standard error of the means, n = 3, ^a–cMeans within a row not sharing the same superscript differ significantly ().