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tetramethylpyrazine · Liqustrazine · chuanxiongzine
Tetramethylpyrazine, also known as ligustrazine, is a chemical compound found in natto and in fermented cocoa beans. When purified, tetramethylpyrazine is a colorless solid. It is classifed as an alkylpyrazine.
Benzaldehyde (C6H5CHO) is an organic compound consisting of a benzene ring with a formyl substituent. It is the simplest aromatic aldehyde and one of the most industrially useful. It is a colorless liquid with a characteristic almond-like odor.
Whiskey lactone (39212-23-2)
cis-3-Methyl-4-octanolide, also called cis-β-methyl-γ-octalactone or 5-butyldihydro-4-methylfuran-2(3H)-one, is a chemical compound of the lactone family with formula C 9H 16O 2. It exists in two optical isomers: 3R,4R ("+") and 3S,4S ("-"). The 3S,4S isomer, commonly known as whisky lactone or quercus lactone is an important ingredient in the aroma of whiskey (where it was first identified by Suomalainen and Nykänen in 1970),and other alcoholic beverages that have been aged in oak barrels.
2,5-DMP · 2,6-dimethylpyrazine
indole hydrochloride · indole, 14C-labeled
Indole is an aromatic heterocyclic organic compound with formula C8H7N. It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring. Indole is widely distributed in the natural environment and can be produced by a variety of bacteria.
sotolone · 4,5-dimethyl-3-hydroxy-2(5H)-furanone
Sotolon (also known as sotolone) is a lactone and an extremely powerful aroma compound, with the typical smell of fenugreek or curry at high concentrations and maple syrup, caramel, or burnt sugar at lower concentrations. Sotolon is the major aroma and flavor component of fenugreek seed and lovage, and is one of several aromatic and flavor components of artificial maple syrup. It is also present in molasses, aged rum, aged sake and white wine, flor sherry, roast tobacco, and dried fruiting bodies of the mushroom Lactarius helvus.
2-ISOPROPYL-3-METHOXYPYRAZINE (25773-40-4, 93905-03-4)
3-isopropyl-2-methoxypyrazine · 2-methoxy-3-isopropylpyrazine
Isopropyl methoxy pyrazine (IPMP) is a methoxypyrazine, a class of chemical compounds that produce odors. The odor is rather undesirable and is produced by the Asian lady beetle or by the actinomycete Streptomyces sp. It can be detected by human taste at concentrations of as low as 2 nanograms per litre.
2,5-DMP · 2,5-dimethylpyrazine
Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen. Chemical compounds containing such rings are also referred to as furans. Furan is a colorless, flammable, highly volatile liquid with a boiling point close to room temperature.
Isodecanol (25339-17-7, 68551-08-6, 68526-85-2)