Composition Comprising Carbohydrates and Peptides which Comprise Tryptophan

Abstract

An edible composition comprising peptides rich in tryptophan, which edible composition further comprises a rapidly available glucose composition and a slowly available glucose composition.

1 . A formulation comprising at least two different water-soluble, tryptophan-containing peptides, and wherein the tryptophan/LNAA ratio of the formulation is between 0.15 and 1.8, which composition further comprises a rapidly available glucose (RAG) composition and a slowly available glucose (SAG) composition, wherein the RAG composition and the SAG composition are present in the formulation in dry weight ratio's of: RAG composition: SAG composition between 1:1 and 1:3. 
   
   
       2 . The formulation according to  claim 1 , wherein the weight ratio of the tryptophan-containing peptides: RAG composition is between 1:3 and 1:8. 
   
   
       3 . The formulation according to  claim 1 , which comprises the peptides AW and GNW. 
   
   
       4 . The formulation according to  claim 3 , wherein the molar ratio of AW to GNW is between 1 to 2 and 5 to 1. 
   
   
       5 . A formulation comprising at least two different peptides selected from di- or tripeptides, whereby two peptides selected from di- or tripeptides are each present in an amount of at least 5 mol % of the total amount of di- and tripeptides, and in which more than 30 mol % of the total tryptophan is present as peptide bound tryptophan, more than 80 mol % of the peptide-bound tryptophan is present in the form of a di- or a tripeptide, and the formulation has a tryptophan/LNAA ratio of between 0.15 and 1.8, which formulation further comprises a rapidly available glucose (RAG) composition and a slowly available glucose (SAG) composition, wherein the RAG composition and the SAG composition are present in the formulation in dry weight ratio's of: RAG composition: SAG composition between 1:1 and 1:3 
   
   
       6 . The formulation according to  claim 5 , wherein the weight ratio of the tryptophan-containing peptides: RAG composition is between 1:3 and 1:8. 
   
   
       7 . The formulation according to  claim 1 , wherein the tryptophan-containing peptides are obtainable by hydrolysing a hen egg lysozyme. 
   
   
       8 . The formulation according to  claim 1 , wherein the slowly available glucose (SAG) composition comprises one or more of: pullulan having a number average molecular weight of between 1000 and 45000 daltons, isomaltulose, trehalose, or mixtures thereof. 
   
   
       9 . The formulation according to  claim 1 , wherein the rapidly available glucose (RAG) composition comprises one or more of glucose, sucrose, maltodextrine, starch, starch hydrolysate, dextrose, or mixtures thereof. 
   
   
       10 . The formulation according to  claim 1 , wherein it is ready for consumption and wherein the total amount of rapidly available glucose and slowly available glucose together is 5 to 20% (by weight) of the total formulation ready for consumption. 
   
   
       11 . The formulation according to  claim 1 , wherein it comprises 0.8 to 3% of dry weight of the tryptophan-comprising peptide composition on ready to consume product. 
   
   
       12 . A food, pet food, feed, drink, dietary supplement or neutraceutical composition comprising the formulation according to  claim 1 . 
   
   
       13 . A product according to  claim 11 , in the form of a ready-to-drink liquid. 
   
   
       14 . A product according to  claim 12 , which comprises 1-20% by weight of a formulation according to  claim 1 .