Compared to the CB week , during the EB week , a ) feeling of fullness was greater ( P < @ ) on day @ but not on day @ ; b ) energy intake was not significantly lower on either day ; c ) right before lunch , acylated ghrelin was lower and PYY@-@ was higher on day @ ( P < @ and < @ , respectively ) but not on day @ ; d ) PYY@-@ , but not ghrelin , showed greater rise between breakfast and lunch on days @ ( P < @ ) and @ ( P < @ ) .