Determination of Free Amino Acids in Three Species of Duckweed (Lemnaceae)

Table 6

Contents of 26 minerals in living water of three species of duckweed (μg/L).

Sample	Ti	V	Cr	Mn	Co	Ni	Cu	Zn	As	Se	Sr	Mo	Cd	Sn	Sb	Ba	Tl	Pb
SP1	22.831	2.900	2.178	47.015	0.181	1.860	1.061	90.405	1.530	1.578	261.614	2.840	0.007	0.087	0.440	96.840	0.003	0.058
SP2	27.277	1.017	2.922	36.990	0.177	1.648	0.806	80.395	2.091	1.288	199.006	3.275	0.006	0.007	0.516	60.613	0.003	0.001
SP3	35.621	1.915	1.838	41.295	0.162	2.899	1.500	56.437	1.127	1.983	172.960	3.017	0.016	0.168	0.386	70.196	0.002	0.024
SP4	22.183	3.099	1.687	55.683	0.214	1.767	1.690	63.717	3.164	1.935	178.985	0.407	0.014	0.168	0.487	77.659	0.001	0.041
SP5	45.839	3.162	1.413	24.431	0.189	2.829	0.615	71.741	0.920	1.861	275.418	2.211	0.011	0.098	0.542	63.126	0.004	0.074
SP6	41.446	1.783	2.371	2.110	0.240	2.157	2.805	87.665	2.146	1.464	193.120	0.577	0.002	0.121	0.536	39.704	0.004	0.046
SP7	37.099	2.423	2.068	13.993	0.219	2.583	1.424	88.936	2.601	1.747	165.967	1.562	0.010	0.095	0.316	69.916	0.003	0.050
SP8	28.377	2.251	2.276	54.028	0.197	1.709	2.941	46.581	2.262	2.139	249.180	2.345	0.015	0.125	0.359	110.809	0.004	0.047
SP9	17.084	1.069	2.452	40.559	0.192	3.140	1.247	29.974	2.770	1.664	163.694	2.659	0.015	0.139	0.637	60.895	0.004	0.018
SP10	37.166	3.316	1.705	35.254	0.184	1.793	2.040	78.451	1.247	1.407	174.872	0.632	0.002	0.137	0.720	86.360	—	0.003
SP11	24.163	1.033	1.368	60.738	0.190	3.261	2.894	66.981	1.135	2.291	207.084	1.840	0.003	0.160	0.488	117.603	0.004	0.046
SP12	38.630	2.597	1.146	53.768	0.252	2.550	1.505	76.263	1.772	2.126	180.679	0.626	0.003	0.124	0.628	142.280	0.001	0.062
SP13	39.728	2.347	1.577	26.733	0.173	3.173	2.882	75.098	1.628	1.112	225.261	0.323	0.012	0.106	0.550	95.230	0.001	0.001
SP14	39.483	2.488	2.539	3.742	0.249	2.137	1.427	55.271	1.670	1.581	154.375	3.214	0.019	0.135	0.338	119.138	0.003	0.043
SP15	19.629	2.734	2.326	22.405	0.198	3.153	1.427	55.631	1.175	2.065	247.855	2.928	0.011	0.011	0.633	136.536	0.004	0.030
SP16	34.619	1.068	2.064	52.250	0.163	2.169	3.017	54.488	2.321	1.985	253.553	2.155	0.002	0.120	0.377	68.487	0.001	0.022
SP17	28.672	3.244	2.192	31.414	0.159	1.880	2.871	91.946	1.444	1.287	175.165	1.721	0.018	0.138	0.669	91.883	0.004	0.030
SP18	25.018	1.789	2.378	45.984	0.183	2.570	2.365	24.786	1.877	2.146	194.164	3.450	0.007	0.049	0.318	95.469	0.002	0.057
SP19	22.802	2.136	2.199	53.284	0.212	2.704	1.054	85.613	0.913	2.073	269.684	3.174	0.014	0.043	0.423	111.149	0.003	0.004
SP20	40.638	1.682	1.746	14.621	0.180	1.611	2.705	73.740	3.221	2.055	225.646	3.023	0.013	0.159	0.450	137.841	0.004	0.019
SP21	23.513	1.413	2.811	12.908	0.236	1.959	0.607	22.616	2.711	1.170	227.681	3.187	0.005	0.037	0.205	62.615	0.003	0.016
SP22	32.010	1.755	2.461	56.750	0.202	2.515	1.114	80.116	1.210	2.322	223.754	1.075	0.015	0.155	0.573	96.469	0.002	0.012
SP23	17.817	2.259	2.391	43.452	0.219	1.903	0.700	88.007	3.277	1.855	155.450	2.793	0.014	0.164	0.311	82.020	0.002	0.010
SP24	24.306	2.384	1.841	32.935	0.253	1.896	3.027	63.243	1.975	1.109	214.325	2.979	0.008	0.044	0.642	47.431	0.003	0.061
SP25	30.842	2.878	1.693	29.377	0.254	2.786	1.811	69.276	1.082	1.349	218.438	0.896	0.011	0.125	0.474	126.036	0.001	0.032
LP1	37.974	1.441	2.756	42.898	0.251	1.828	2.325	46.010	2.655	2.264	162.610	0.298	0.004	0.049	0.368	106.287	0.002	0.055
LP2	25.601	3.144	1.914	10.035	0.173	2.425	2.422	53.173	1.031	1.740	211.860	0.256	0.017	0.153	0.596	73.995	0.002	0.001
LP3	40.576	2.424	1.579	36.158	0.203	2.635	1.373	32.781	1.839	1.363	234.793	1.450	0.001	0.145	0.697	107.956	0.001	0.032
LP4	29.919	1.451	2.468	31.060	0.239	3.221	2.253	43.918	2.873	1.754	193.086	2.154	0.013	0.027	0.249	36.637	0.001	0.015
LP5	43.240	2.466	2.331	46.991	0.209	3.218	1.577	26.153	1.994	2.211	234.265	1.895	0.010	0.017	0.224	84.449	0.004	0.006
LP6	29.925	2.796	2.933	11.764	0.248	2.974	2.174	43.896	2.394	1.784	247.178	3.487	0.012	0.017	0.336	125.785	0.003	0.016
LP7	28.783	1.090	2.067	41.129	0.244	2.388	1.514	76.640	1.923	1.886	157.760	2.486	0.003	0.031	0.241	87.240	0.004	0.053
LP8	45.076	3.030	1.857	7.724	0.247	2.328	2.152	87.415	2.455	2.044	225.691	2.976	0.011	0.009	0.607	111.718	0.003	0.023
LP9	20.651	2.339	2.731	42.403	0.257	1.681	1.012	89.960	1.066	1.855	210.521	2.237	0.007	0.052	0.424	32.520	—	0.033
LP10	23.769	1.646	1.288	52.927	0.243	2.319	2.950	93.752	2.929	1.882	217.655	2.496	0.017	0.165	0.196	135.624	0.003	0.051
LP11	32.364	2.560	3.084	33.335	0.208	3.219	2.180	82.812	1.451	1.918	269.769	3.250	0.019	0.008	0.406	66.278	0.003	0.051
LP12	24.918	1.470	2.999	37.041	0.243	1.893	1.928	95.305	2.415	1.698	224.103	1.906	0.008	0.041	0.570	64.033	0.004	0.008
LP13	33.468	1.704	2.451	45.575	0.176	2.507	1.882	38.837	2.524	1.580	187.087	1.245	0.003	0.133	0.285	44.075	0.003	0.030
LP14	28.614	2.426	1.879	39.614	0.209	3.272	1.963	74.622	2.875	1.962	261.572	2.514	0.013	0.136	0.287	100.138	0.002	0.048
LP15	35.617	2.088	2.116	42.214	0.162	2.284	1.641	39.037	1.412	1.185	244.588	0.489	0.007	0.158	0.512	110.953	0.003	0.032
LP16	32.522	2.845	1.545	41.087	0.186	2.100	1.860	94.105	3.060	1.921	165.053	1.398	0.015	0.008	0.451	69.796	0.002	0.066
LA1	36.451	2.711	1.271	38.156	0.233	2.893	0.909	65.183	3.041	1.926	194.455	3.342	0.005	0.055	0.262	51.502	0.002	0.023
LA2	43.394	2.188	2.067	17.427	0.165	2.206	1.564	58.425	3.159	1.247	254.469	1.789	0.006	0.146	0.280	33.628	0.003	0.052
LA3	24.311	1.120	2.917	35.712	0.247	2.359	2.087	59.228	3.345	2.092	247.432	1.778	0.010	0.108	0.362	105.945	—	0.069
LA4	26.794	1.110	1.710	13.192	0.232	1.909	1.963	25.002	3.351	1.618	198.614	1.801	—	0.011	0.452	33.107	0.003	0.024
LA5	39.248	2.722	1.585	24.608	0.203	2.755	2.186	68.836	1.896	1.634	279.990	3.413	0.016	0.037	0.213	37.247	0.004	0.077
LA6	20.981	2.024	1.392	25.368	0.248	2.878	2.542	45.526	1.863	1.095	215.126	3.019	0.009	0.148	0.651	117.017	0.003	0.010
LA7	30.279	1.148	2.330	62.335	0.231	2.772	2.791	44.135	2.816	1.556	187.777	3.290	0.012	0.151	0.436	36.940	0.003	0.041
LA8	39.053	0.971	3.084	15.630	0.243	3.097	1.738	42.571	2.567	1.411	231.825	2.281	0.010	0.013	0.499	33.670	0.003	0.053
LA9	41.198	2.925	2.254	52.257	0.230	2.490	2.132	95.196	2.872	2.220	170.239	1.302	0.002	0.132	0.395	80.576	0.003	0.015
LA10	16.833	1.384	2.832	34.567	0.188	2.044	1.951	62.570	0.922	1.571	169.715	0.952	0.001	0.110	0.496	81.418	0.002	0.044
LA11	38.564	2.900	3.171	30.344	0.257	2.860	2.083	37.280	1.155	1.073	172.207	1.959	0.008	0.117	0.433	108.524	0.002	0.014
LA12	43.364	1.975	2.442	7.660	0.253	1.986	0.775	85.359	2.247	1.143	237.191	0.673	0.009	0.155	0.201	41.025	—	0.002
LA13	30.181	3.229	1.146	53.644	0.230	2.341	2.091	77.183	0.842	2.028	177.614	2.395	0.009	0.105	0.689	97.023	0.001	0.022
LA14	31.940	3.492	1.508	64.537	0.181	2.947	2.883	24.336	3.049	2.137	243.782	1.989	0.017	0.117	0.272	125.192	0.003	0.021
LA15	22.170	2.327	3.077	51.812	0.175	3.050	0.998	60.176	2.860	1.716	206.597	0.281	0.006	0.058	0.397	108.215	—	0.025
LA16	42.638	1.570	1.978	49.228	0.258	1.959	0.924	88.563	2.498	1.683	201.422	3.242	0.014	0.029	0.295	80.373	0.003	0.075
LA17	39.670	1.249	2.650	27.755	0.259	2.112	2.250	55.219	2.830	1.217	154.053	1.978	0.006	0.099	0.561	116.452	—	0.047
LA18	23.423	2.528	2.932	10.179	0.199	2.743	2.953	66.269	3.199	1.527	209.326	3.075	0.016	0.116	0.306	79.441	0.001	0.040

Sample	Na	Mg	Al	K	Ca	Fe	N	P	Total
SP1	410579.062	209771.718	18661.431	178472.536	591631.101	334974.476	4.303	0.914	1744628.970
SP2	546214.809	232797.639	9209.284	416708.514	386703.829	349989.801	2.389	0.675	1942044.979
SP3	384732.341	302374.639	16864.219	351597.651	645593.344	330485.336	18.804	5.589	2032063.470
SP4	763978.060	217006.139	24174.116	515345.319	525036.011	165789.077	19.687	4.182	2211765.493
SP5	498927.575	304758.187	29743.190	617594.946	663524.773	200323.584	25.750	23.839	2315416.327
SP6	568688.625	219822.814	31062.346	305039.982	486491.766	202085.631	25.562	22.681	1813617.704
SP7	815621.400	203217.299	32660.784	559562.408	566642.730	171755.702	2.565	1.507	2349855.405
SP8	704283.730	188285.004	23602.584	315772.349	624642.806	439955.497	23.372	6.689	2297077.677
SP9	876213.262	151574.474	27629.879	516294.381	409003.501	35506.241	18.458	4.258	2016572.669
SP10	873643.979	294027.085	21164.307	737471.818	383002.078	37324.576	33.550	19.033	2347111.719
SP11	491391.823	256934.016	10147.423	610308.309	636084.667	367347.644	31.694	25.205	2372762.062
SP12	796497.255	269227.175	17999.811	414658.818	512138.780	171064.616	16.646	2.703	2182110.814
SP13	366808.463	156147.673	11576.232	471660.374	756208.109	347515.518	11.647	4.202	2110408.155
SP14	512150.165	243500.636	31493.169	641312.090	499270.353	208734.109	11.077	1.602	2136861.051
SP15	533557.790	280721.134	16614.646	267728.355	378226.451	306162.902	13.593	4.564	1783528.184
SP16	644403.624	276057.049	21110.856	521532.157	583524.045	59176.189	11.942	25.264	2106319.987
SP17	751229.025	173163.933	10495.020	625004.125	472688.229	345116.023	8.458	5.204	2378144.753
SP18	522140.520	176639.957	29371.612	557932.109	690911.336	157124.877	29.906	10.221	2134563.150
SP19	579415.759	238453.094	30677.565	439717.245	686006.551	382672.972	10.823	3.662	2357515.153
SP20	476281.317	182915.790	9070.049	325811.742	373586.252	432553.750	34.616	21.891	1800784.763
SP21	760676.992	188574.381	12126.295	629919.272	484913.883	230880.412	26.927	9.833	2307491.687
SP22	709408.940	239417.173	10783.138	619462.993	550226.213	88795.927	20.170	9.877	2218626.941
SP23	513303.754	213899.504	26441.948	351694.267	732144.084	326876.462	34.159	26.699	2164823.520
SP24	824465.276	238490.190	31283.397	717257.458	679154.325	297001.594	14.031	10.796	2788075.528
SP25	815267.536	215764.623	30718.721	536395.881	508251.297	371174.761	24.650	2.494	2478087.325
LP1	897950.747	158686.979	27871.364	590366.194	696960.175	327232.239	17.263	7.080	2699502.116
LP2	531566.916	294929.433	14640.021	570417.870	648189.841	273059.464	15.536	1.239	2333208.859
LP3	858626.936	266231.149	32272.481	727712.714	480257.660	348345.090	12.319	1.894	2713926.251
LP4	431098.253	221743.162	34467.794	311381.975	785570.359	339960.811	26.584	17.225	2124617.501
LP5	818404.736	237360.411	25820.309	683695.992	566015.946	406722.563	20.219	7.521	2738498.958
LP6	614726.783	203772.151	23626.598	170198.351	715325.262	132978.487	8.402	1.447	1861115.202
LP7	498622.492	200069.361	34249.218	182114.487	450498.128	213156.897	26.337	12.664	1579155.065
LP8	407734.217	308322.609	12414.630	462642.984	726996.054	273473.025	23.952	9.428	2192112.264
LP9	591923.425	196758.141	20795.603	169080.807	379447.395	244832.850	24.638	15.719	1603288.325
LP10	506188.280	278745.249	26183.977	548614.526	619327.368	71487.282	27.250	10.475	2051124.319
LP11	484360.416	252740.828	27267.497	394747.762	420528.173	411590.345	15.427	3.462	1991756.825
LP12	755545.368	290158.455	18713.693	269669.218	653034.467	303936.794	26.120	0.889	2291545.587
LP13	644431.270	171083.444	14922.153	701260.007	799614.153	241821.499	27.383	10.915	2573534.387
LP14	855511.785	226105.300	11812.507	382201.190	657443.790	421778.147	4.108	0.257	2555378.850
LP15	840333.425	261183.216	19461.126	468066.062	568653.040	96502.984	17.469	12.422	2254714.244
LP16	662138.232	247763.574	23217.103	653430.420	481555.835	52632.672	16.299	0.242	2121172.397
LA1	542867.038	291631.774	16101.327	208393.119	534546.718	287585.245	20.487	11.217	1881559.346
LA2	768502.457	174767.313	34293.763	538598.282	767009.154	130620.652	24.093	8.098	2414246.025
LA3	836100.485	232547.859	8383.317	197659.044	475008.913	70420.274	26.668	18.771	1820654.452
LA4	554969.006	231606.445	11451.728	365538.304	505163.079	269818.459	11.932	3.908	1938873.753
LA5	794677.014	293809.893	30832.050	293530.490	510493.154	262663.280	12.498	6.307	2186491.358
LA6	704360.729	287183.610	31019.483	189142.179	384371.287	327789.933	12.239	4.852	1924324.212
LA7	894339.623	204701.453	27985.214	281212.437	595254.900	371594.312	24.934	18.350	2375510.268
LA8	427283.433	184599.086	23700.009	211637.098	596714.072	325251.967	22.097	1.616	1769588.097
LA9	879491.821	180076.383	12682.543	611024.725	416252.729	426535.290	22.887	10.851	2526553.669
LA10	712373.467	297199.560	9966.649	218385.532	678770.388	129164.596	32.940	4.216	2046274.948
LA11	625486.302	275066.946	25810.603	496586.040	470812.328	438093.869	14.927	1.233	2332275.197
LA12	796469.226	199565.531	26532.869	616737.846	538184.180	286481.065	25.413	16.087	2464438.679
LA13	587462.535	234893.095	16533.152	573600.610	441381.833	215218.753	5.375	3.154	2069549.281
LA14	598797.362	200101.308	32285.037	179408.885	737688.278	321911.868	10.937	7.808	2070719.888
LA15	775176.535	182419.544	9875.652	375172.731	686178.073	146549.529	20.767	18.862	2175875.636
LA16	486462.514	269482.486	19514.461	382028.835	385846.710	419515.606	25.566	4.690	1963357.619
LA17	397975.248	220647.104	20225.722	404790.872	406870.509	69049.196	25.782	16.448	1520009.288
LA18	852308.317	145491.528	11612.476	499143.838	570244.949	84828.689	23.929	16.569	2164078.568

—, analytes were not detected.