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Table 3 in Chemometric analysis of Amaranthus retroflexus in relation to livestock toxicity in southern Australia

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Zenodo2025-04-05 更新2026-05-26 收录
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Table 3 Compounds from Amaranthus retroflexus identified in this study by comparison with analytical standards or proposed based on comparison with published data. The abundance of many of these compounds was too low to permit visualisation in the chromatograph in Fig. 4. NameMolecularAccurateBasis forformulamassidentification aQuaternary ammonium compoundscholineC5H14NO104.1067STDglycine betaineC5H11NO2117.0790STDisoleucine betaineC9H20NO2173.1421NC et al.valine betaineC8H18NO2159.1260NC et al.trigonellineC7H7NO2137.0477AMPhenolic compoundsrutinC27H30O16610.1534AMtrans-ferulic acidC10H10O4194.0579STDcaffeic acidC9H8O4180.0422STDp-coumaric acidC9H8O3164.0473STDquercetinC15H10O7302.0427STDkaempferolC15H10O6286.0477STDSesquiterpene glucosidesamarantholidoside IC21H36O8416.2410AMamarantholidoside IIC21H36O8416.2410AMamarantholidoside IVC21H38O8418.2566AMamarantholidoside VC21H38O8418.2566AMChlorophyll derivativespheophorbide aC35H36N4O5592.2685STDpheophytinC55H74N4O5870.5659AM a Basis for identification codes: AM – match to accurate mass/molecular formula; NC et al. – MS match to published values by Naresh Chary et al. (2012); STD – match to accurate mass and retention time of analytical standards.

表3 本研究通过与分析标准品比对,或通过与已发表数据比对推定的反枝苋(Amaranthus retroflexus)中检出的化合物。其中多数此类化合物的丰度过低,无法在图4的色谱图中可视化呈现。 一、季铵类化合物(Quaternary ammonium compounds) | 化合物名称 | 分子式 | 准确质量 | 鉴定依据a | | --- | --- | --- | --- | | 胆碱(choline) | C₅H₁₄NO | 104.1067 | STD | | 甘氨酸甜菜碱(glycine betaine) | C₅H₁₁NO₂ | 117.0790 | STD | | 异亮氨酸甜菜碱(isoleucine betaine) | C₉H₂₀NO₂ | 173.1421 | NC et al. | | 缬氨酸甜菜碱(valine betaine) | C₈H₁₈NO₂ | 159.1260 | NC et al. | | 胡芦巴碱(trigonelline) | C₇H₇NO₂ | 137.0477 | AM | 二、酚类化合物(Phenolic compounds) | 化合物名称 | 分子式 | 准确质量 | 鉴定依据a | | --- | --- | --- | --- | | 芦丁(rutin) | C₂₇H₃₀O₁₆ | 610.1534 | AM | | 反式阿魏酸(trans-ferulic acid) | C₁₀H₁₀O₄ | 194.0579 | STD | | 咖啡酸(caffeic acid) | C₉H₈O₄ | 180.0422 | STD | | 对香豆酸(p-coumaric acid) | C₉H₈O₃ | 164.0473 | STD | | 槲皮素(quercetin) | C₁₅H₁₀O₇ | 302.0427 | STD | | 山奈酚(kaempferol) | C₁₅H₁₀O₆ | 286.0477 | STD | 三、倍半萜苷(Sesquiterpene glucosides) | 化合物名称 | 分子式 | 准确质量 | 鉴定依据a | | --- | --- | --- | --- | | 反枝苋苷I(amarantholidoside I) | C₂₁H₃₆O₈ | 416.2410 | AM | | 反枝苋苷II(amarantholidoside II) | C₂₁H₃₆O₈ | 416.2410 | AM | | 反枝苋苷IV(amarantholidoside IV) | C₂₁H₃₈O₈ | 418.2566 | AM | | 反枝苋苷V(amarantholidoside V) | C₂₁H₃₈O₈ | 418.2566 | AM | 四、叶绿素衍生物(Chlorophyll derivatives) | 化合物名称 | 分子式 | 准确质量 | 鉴定依据a | | --- | --- | --- | --- | | 脱镁叶绿素a(pheophorbide a) | C₃₅H₃₆N₄O₅ | 592.2685 | STD | | 脱植基叶绿素(pheophytin) | C₅₅H₇₄N₄O₅ | 870.5659 | AM | a 鉴定依据代码说明:AM——与准确质量/分子式匹配;NC et al.——与Naresh Chary等人(2012)发表的质谱数据匹配;STD——与分析标准品的准确质量及保留时间匹配。

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