＊New synthetic flavoring agents in last seven years allowed to be used only when they are designated by the Minister of Health, Labour and Welfare as food additives. (2011.12.27)
| designated date | name |
| 2011/12/27 | Isoquinoline |
| 2011/12/27 | Pyrrole |
| 2011/7/19 | Pyrazine |
| 2011/7/19 | 1-Penten-3-ol |
| 2011/7/19 | 3-Methyl-2-butenal |
| 2011/7/19 | 3-Methyl-2-butenol |
| 2011/6/28 | 2,3-Diethyl-5-methylpyrazine |
| 2011/6/28 | 2-(3-Phenylpropyl)pyridine |
| 2011/6/28 | 5-Methyl-6,7-dihydro-5H-cyclopentapyrazine |
| 2011/3/15 | 2,6-Dimethylpyridine |
| 2011/3/15 | 5-Ethyl-2-methylpyridine |
| 2010/12/13 | Piperidine |
| 2010/12/13 | Pyrrolidine |
| 2010/11/10 | Butylamine |
| 2010/11/10 | Phenethylamine |
| 2010/10/20 | 2-Ethyl-5-methylpyrazine |
| 2010/10/20 | Isopropylamine |
| 2010/5/28 | 2-Methylpyrazine |
| 2010/5/28 | 2-Ethylpyrazine |
| 2010/5/28 | Propionaldehyde |
| 2010/5/28 | 2-Methylbutyraldehyde |
| 2010/5/28 | 6-Methylquinoline |
| 2010/5/28 | 2-Pentanol |
| 2010/5/28 | 3-Methyl-2-butanol |
| 2010/5/28 | 5,6,7,8-Tetrahydroquinoxaline |
| 2009/6/4 | Isovaleraldehyde |
| 2009/6/4 | Valeraldehyde |
| 2009/6/4 | 2,3-Dimethylpyrazine |
| 2009/6/4 | 2,5-Dimethylpyrazine |
| 2009/6/4 | 2,6-Dimethylpyrazine |
| 2007/10/26 | Butanal |
| 2007/8/3 | Isobutyraldehyde |
| 2007/8/3 | 2-Methylbutyl alcohol |
| 2006/9/12 | Butanol |
| 2006/5/16 | Acetaldehyde |
| 2006/5/16 | 2-Ethyl-3-methylpyrazine |
| 2006/5/16 | 5-Methylquinoxaline |
| 2005/8/19 | 2,3,5-Trimethylpyrazine |
| 2005/8/19 | Amyl alcohol |
| 2005/8/19 | Isoamyl alcohol |
| 2005/4/28 | Isopropanol |
| 2005/2/24 | Propanol |
| 2004/12/24 | Isobutyl alcohol |
| 2004/12/24 | 2,3,5,6-Tetramethylpyrazine |
| 2004/12/24 | 2-Ethyl-3,(5or6)-dimethylpyrazine |