Table 2 Alpha-diversity metrics characterizing Douchi samples and inferred from the sequencing of 16S V3–V4 and ITS amplicons. Sequences were clustered at 97% identity.

From: Biogenic amines analysis and microbial contribution in traditional fermented food of Douchi

Douchi sample

Bacteria

Fungi

Observed species

Chao1

Shannon

Good’s coverage (%)

Observed species

Chao1

Shannon

Good’s coverage (%)

JXJJ

503 ± 52 c

571.94 ± 106.20 bcd

4.20 ± 0.15 cd

99

115 ± 38 a

136.41 ± 57.77 a

1.06 ± 0.34 a

99

GXWZ

360 ± 76 abc

489.92 ± 165.10 abc

4.12 ± 0.16 bcd

99

121 ± 108 ab

153.31 ± 117.03 ab

2.08 ± 1.29 a

99

GDYJ

283 ± 80 abc

408.98 ± 108.89 abc

2.35 ± 0.28 abc

99

92 ± 52 a

115.29 ± 61.53 a

1.63 ± 1.10 a

99

SXHZ

274 ± 85 abc

400.36 ± 98.48 abc

3.60 ± 0.32 abcd

99

131 ± 20 ab

156.35 ± 27.29 ab

1.81 ± 0.35 a

99

YNKM

555 ± 196 cd

667.53 ± 231.33 cd

4.72 ± 0.73 d

99

126 ± 31 ab

149.72 ± 28.19 a

1.63 ± 1.35 a

99

GZTR

149 ± 23 a

191.62 ± 48.98 a

2.07 ± 0.22 ab

99

235 ± 103 cd

274.10 ± 110.50 bcd

3.44 ± 0.77 bc

99

HNLY

389 ± 47 abc

522.55 ± 84.83 abcd

1.75 ± 0.70 a

99

122 ± 82 ab

141.24 ± 105.69 a

1.65 ± 1.04 a

99

HBYC

196 ± 66 ab

269.26 ± 87.25 ab

2.42 ± 0.19 abc

99

246 ± 62 d

284.65 ± 99.82 cd

3.63 ± 0.39 c

99

CQ

549 ± 76 cd

625.56 ± 71.96 bcd

3.98 ± 1.90 bcd

99

174 ± 0 abcd

197.38 ± 0 abc

2.12 ± 0 a

99

GSLN

362 ± 47 abc

426.41 ± 44.12 abc

4.00 ± 0.25 bcd

99

220 ± 16 bcd

273.77 ± 26.88 bcd

3.49 ± 0.32 bc

99

SCCD

481 ± 422 bc

558.25 ± 535.29 bcd

5.10 ± 1.69 d

99

223 ± 0 bcd

349.04 ± 0 d

1.20 ± 0 a

99

TJ

471 ± 66 bc

581.94 ± 53.24 bcd

3.58 ± 0.51 abcd

99

98 ± 6 a

119.90 ± 13.96 a

2.26 ± 0.13 ab

99

ZJJS

789 ± 291 d

863.44 ± 275.59 d

4.71 ± 1.52 d

99

87 ± 4 a

103.00 ± 6.77 a

1.08 ± 0.32 a

99

JSXZ

440 ± 62 abc

562.34 ± 96.40 bcd

2.04 ± 0.95 ab

99

136 ± 50 abc

193.42 ± 44.81 abc

1.28 ± 1.00 a

99

HNLB

444 ± 96 abc

528.99 ± 67.78 abcd

3.04 ± 2.51 abcd

99

157 ± 50 abcd

185.22 ± 60.82 abc

1.65 ± 0.44 a

99

  1. Data are presented as mean ± SDs of three replicates. Different letters (a, b, c, etc.) indicate significantly different means at P < 0.05.