Skip to main content

Table 4 Chemical assignment of Raman characteristic wavenumbers

From: Quantitative visualization of photosynthetic pigments in tea leaves based on Raman spectroscopy and calibration model transfer

Wavenumbers/cm−1 Assignment References
788/800/1046/1073/1114/1222/1553 Chlorophyll a [51]
971 β-carotene [τ(C11-C12)] [52]
988 Chlorophyll [53]
1026 β-carotene [ρ(9Me), ν(C8 − C9)] [52]
1068/1155/1165/1265/1392/1530/1555 Chlorophyll a [54]
1128/1160/1210/1380/1465/1523/1567/1644 Chlorophyll b [54]
1133 β-carotene [55]
1137 β-carotene [ν(C10 − C11)] [52]
1144 Chlorophyll [ν(CN), δ(CNC)] [53]
1145 Chlorophyll a [ν(CaN), δ(CaNCa)] [52]
1149 β-carotene [14 − 15, 15H, 15 = 15 ‘] [55]
1157 β-carotene [ν(C14 − C15), δ(C15 − H)] [52]
1172 β-carotene [5 − 4, 18r, 6 − 7] [55]
1186 Chlorophyll a [ν(CmC10), δ (CbH)] [52]
1187 β-carotene [10H, 11H, 8 − 9] [55]
1191 β-carotene [δ(C10 − H), δ(C11 − H)] [52]
1216 β-carotene [ν(C12 − C13), δ(C14 − H)] [52]
1225 Chlorophyll [δ(CH), δ(CH2)] [53]
1226 β-carotene [12 − 13, 14H, 15 = 15 ‘] [54]
1281 β-carotene [15H, 14H, CCC15b] [55]
1310 β-carotene [12H, 11 = 12, 15 = 15 ‘] [55]
1322 β-carotene [δ(C12 − H), ν(C11-C12)] [52]
1347 β-carotene [12H, 11 = 12, 15 = 15 ‘] [55]
1450 β-carotene [δas(9Me), δas(13Me)] [52]
1485 β-carotene [13 = 14, 11 = 12, 12H] [55]
1518 Lutein [C=C stretching vibration] [56]
1524 Chlorophyll a [ν(CbCb), ν(CaCb)] [52]
1528 Carotenoids [ν1(C=C)] [52]
1542 Chlorophyll a [ν(CbCb)] [52]
1552 Chlorophyll a [ν(CaCb), ν(CbCb)] [52]
1562 β-carotene [11 = 12, 15H, 12H] [55]
\