. 2018 Nov 15;28(2):319–327. doi: 10.1007/s10068-018-0500-4

Table 2.

Contents of BAs in commercial sufu samples (mg/kg fresh weight)

BA	White sufu	Red sufu	Grey sufu	Paste sufu	Hot sufu	Southern sufu
Tryptamine
Min	1.54	ND	13.05	12.12	ND	7.63
Max	212.52	74.78	139.02	76.26	18.88	51.35
Mean	48.21 ± 3.11^ab	14.29 ± 2.86^e	51.99 ± 2.06^a	45.33 ± 1.56^abc	5.23 ± 0.32^f	22.26 ± 1.51^d
Phenylethylamine
Min	2.25	0.54	2.80	3.10	ND	10.60
Max	84.71	144.60	51.85	94.71	19.99	24.23
Mean	19.38 ± 2.26 ^cd	31.32 ± 1.05^b	22.12 ± 1.19^c	50.30 ± 3.37^a	8.09 ± 0.89^f	17.62 ± 2.89^ede
Putrescine
Min	2.72	0.16	10.73	14.36	3.23	7.04
Max	264.68	110.33	220.42	80.23	92.28	65.09
Mean	88.12 ± 1.26^b	21.23 ± 2.85^e	106.35 ± 1.49^a	45.77 ± 2.64^c	27.18 ± 1.94^de	31.29 ± 1.71^d
Cadaverine
Min	11.68	9.79	11.05	19.40	16.04	13.99
Max	606.47	46.01	104.06	32.51	54.39	28.77
Mean	31.92 ± 1.90^b	22.14 ± 2.65^cde	42.76 ± 2.91^a	22.72 ± 2.40 ^cd	28.08 ± 1.76^bc	21.96 ± 1.96^cde
Histamine
Min	ND	ND	52.72	ND	ND	47.82
Max	537.07	728.40	616.28	175.88	251.29	312.63
Mean	205.12 ± 4.53^b	112.70 ± 4.69^d	322.61 ± 4.02^a	55.66 ± 2.67^e	66.66 ± 3.43^e	155.64 ± 2.21^c
Tyramine
Min	0.54	1.97	21.93	105.94	ND	29.03
Max	370.93	242.39	319.24	276.53	113.74	164.93
Mean	113.04 ± 2.74^c	60.66 ± 2.04^e	141.37 ± 2.23^b	192.33 ± 4.55^a	19.62 ± 2.08^f	84.06 ± 2.88^d
Spermidine
Min	ND	ND	ND	ND	ND	29.56
Max	89.96	71.01	117.18	6.13	25.60	108.47
Mean	27.75 ± 3.95^c	23.68 ± 2.00 ^cd	61.96 ± 3.48^ab	2.01 ± 0.14^e	7.84 ± 0.67^e	62.41 ± 2.12^a
Spermine
Min	ND	ND	ND	ND	ND	ND
Max	–	1.47	48.32	–	–	–
Mean	–	0.08 ± 0.01^b	9.04 ± 0.09^a	–	–	–
Total amines	533.54 ± 19.75^b	286.10 ± 18.15^e	758.20 ± 17.47^a	414.12 ± 17.33^c	162.70 ± 11.09^f	395.24 ± 15.28^cd

Values are expressed as mean ± standard deviation (n = 3), ND not detected; BAs biogenic amines

Different letters (a–f) within the same line differ significantly, p < 0.05