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Table 2 Concentrations [range (avg ± SD)] of lignin phenols in the Sundarban Sediments

From: Sources and dynamics of sedimentary organic matter in Sundarban mangrove estuary from Indo-Gangetic delta

Variable IS1 IS2 IS3 BS1 BS2 BS3 BS4
p-Hydroxyl Phenols (P) 94–115 (105 ± 5.94) 99–117 (110 ± 6) 100–114 (107 ± 3.96) 44–75 (60 ± 6.48) 39–53 (45 ± 4.39) 64–73 (68 ± 3.03) 73–85 (78 ± 4.19)
Vanillyl Phenols (V) 64–75 (69 ± 3.45) 65–77 (72 ± 2.83) 75–87 (82 ± 3.59) 28–41 (34 ± 3.15) 21–27 (24 ± 2.03) 39–47 (44 ± 2.34) 50–61 (55 ± 3.45)
Syringyl Phenols (S) 39–47 (43 ± 2.03) 45–52 (48 ± 2.06) 56–63 (59 ± 2.46) 21–33 (27 ± 2.99) 14–19 (17 ± 1.29) 23–30 (27 ± 2.01) 32–47 (38 ± 3.95)
Cinnamyl Phenols (C) 18–24 (22 ± 1.92) 22–27 (24 ± 1.6) 24–33 (29 ± 2.61) 8–16 (13 ± 2.28) 7.3–14.3 (10.52 ± 2.02) 10–17 (14 ± 2.28) 10–21 (16 ± 3.01)
PON/P 0.19–0.3 (0.24 ± 0.03) 0.18–0.24 (0.21 ± 0.02) 0.2–0.23 (0.21 ± 0.008) 0.11–0.29 (0.2 ± 0.04) 0.17–0.26 (0.23 ± 0.03) 0.16–0.23 (0.19 ± 0.02) 0.2–0.27 (0.24 ± 0.02)
P/(V + S) 0.82–0.99 (0.94 ± 0.051) 0.82–0.96 (0.91 ± 0.042) 0.72–0.85 (0.77 ± 0.041) 0.73–1.29 (0.95 ± 0.15) 0.96–1.31 (1.1 ± 0.12) 0.91–1.02 (0.96 ± 0.072) 0.75–0.9 (0.83 ± 0.053)
S/V 0.55–0.67 (0.62 ± 0.034) 0.59–0.71 (0.21 ± 0.016) 0.65–0.76 (0.72 ± 0.04) 0.67–1.04 (0.82 ± 0.1) 0.53–0.82 (0.69 ± 0.07) 0.5–0.68 (0.62 ± 0.051) 0.62–0.78 (0.69 ± 0.041)
C/V 0.25–0.38 (0.32 ± 0.035) 0.28–0.39 (0.34 ± 0.029) 0.29–0.4 (0.35 ± 0.031) 0.25–0.5 (0.38 ± 0.072) 0.27–0.54 (0.43 ± 0.08) 0.24–0.4 (0.31 ± 0.055) 0.18–0.36 (0.29 ± 0.044)
(Ad/Al)P 0.72–1.35 (0.98 ± 0.18) 1.27–1.57 (1.42 ± 0.085) 0.93–1.48 (1.20 ± 0.15) 1.29–3.83 (2.41 ± 0.69) 1.37–2.75 (1.88 ± 0.34) 1.23–1.7 (1.46 ± 0.13) 1.23–1.68 (1.38 ± 0.11)
(Ad/Al)V 0.69–1.28 (1.05 ± 0.19) 1.08–1.47 (1.26 ± 0.13) 0.81–1.09 (0.95 ± 0.1) 0.53–1.36 (0.9 ± 0.22) 0.66–1.34 (0.95 ± 0.23) 0.93–1.58 (1.19 ± 0.19) 1.17–1.73 (1.38 ± 0.19)
(Ad/Al)S 0.42–0.66 (0.53 ± 0.07) 0.41–0.53 (0.48 ± 0.039) 0.59–0.75 (0.67 ± 0.04) 0.38–0.83 (0.56 ± 0.12) 0.49–1.61 (0.99 ± 0.34) 0.52–0.82 (0.67 ± 0.073) 0.56–0.81 (0.65 ± 0.071)
X lignin (‰) 5.34–6.56 (5.89 ± 0.35) 6.39–7.66 (6.82 ± 0.38) 6.19–7.12 (6.59 ± 0.3) 2.78–6.78 (4.32 ± 1.29) 2.87–4.67 (3.72 ± 0.52) 4.52–5.62 (4.94 ± 0.33) 5.06–6.34 (5.68 ± 0.41)
  1. Units: P, V, S, and C are in micromoles Phenol OC/mg C
  2. P p-Hydroxy benzaldehyde (PAL) + p-hydroxyacetophenone (PON) + p-hydroxybenzoic acid (PAD), V Vanillin (VAL) + acetovanillone (VON) + vanillic acid (VAD), S Syringaldehyde (SAL) + acetosyringone (SON) + syringic acid (SAD), C p-Coumaric acid (CAD) + ferulic acid (FAD)