Table 2.

Main aroma compounds in green tea, SGTP, and tea extract

	Area Sum %	Retention time/min	Characteristic peak (GC‐MS)	CAS No.	Odor quality
Green tea	13.88	27.21	β‐Ionone	79–77–6	Violet, flower, raspberry
	9.46	15.992	1,6‐Octadien−3‐ol, 3,7‐dimethyl‐	78–70–6	flower
	5.85	20.429	β‐cyclocitral	432–25–7	sweet, fruit
	5.42	22.673	Benzaldehyde, 2,5‐dimethyl‐	5779–94–2	Almond‐like smell
SGTP	12.06	8.282	Cyclopentasiloxane, decamethyl‐	541–02–6
	10.18	28.25	Acenaphthene	83–32–9
	7.31	18.517	Cyclohexanol, 1‐methyl−4‐(1‐methylethyl)‐	21129–27–1
	6.39	22.78	Naphthalene, 2‐methyl‐	91–57–6
	4.77	20.23	Naphthalene	91–20–3	Tar, camphoric and greasy odor
	2.58	14.396	1‐Hexanol, 2‐ethyl‐	104–76–7	flower
Tea extract	12.25	15.988	1,6‐Octadien−3‐ol, 3,7‐dimethyl‐	78–70–6	flower
	11.73	22.666	Benzaldehyde, 2,5‐dimethyl‐	5779–94–2	Almond‐like smell
	11.59	25.142	Cyclododecane	294–62–2
	11.42	19.893	Cyclohexane, [(1‐methylpropyl)thio]‐	7133–22–4
	2.61	29.093	Phenol, 2,4‐bis(1,1‐dimethylethyl)‐	96–76–4	pungent