| 
				||||||||||
No.  | 
	  		DFBP ID  | 
	  		AA sequence  | 
	  		Peptide/Function name  | 
	  		AA length  | 
	  		Peptide mass  | 
	  		
		  		
		  			 Organism/Source 
		  		
	  		 | 
	  		Precursor protein  | 
	  		PubDate  | 
	  	
| 1 | DFBPOPIO0004 | YIPIQYVLSR | Opioid peptide, Casoxin C | 10 | 1251.47 Da c | Bovine milk protien [2] | κ-Casein | 1989 | 
| 2 | DFBPOPIO0018 | GYPMYPLPR | Opioid peptide, Oryzatensin | 9 | 1093.30 Da c | Rice (Oryza sativa L. var. japonica cv.) | Rice albumin | 1994 | 
| 3 | DFBPOPIO0068 | TTMPLW | Opioid peptide | 6 | 747.90 Da c | Bovine | αs1-Casein | 1989 |