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Table 1 Thermokinetic parameters of ampicillin-resistant E. coli growth in the presence of six samples from the leaves of Dracontomelon dao

From: Antibacterial evaluation of plants extracts against ampicillin-resistant Escherichia coli (E. coli) by microcalorimetry and principal component analysis

Extracts c/μg mL−1 t1/min P1/mW Q1/J k 1 t2/min P 2 Q 2 /J k 2 Qt/J I/%
S1 0 267.2 0.5511 2.6079 0.01126 350.1 0.7023 27.1152 0.00929 29.7231 0.0
80 306.6 0.5447 3.7603 0.00995 393.9 0.8785 17.4783 0.00896 21.2386 3.5
160 439.5 0.4069 3.4218 0.00565 573.9 0.7009 17.1311 0.00527 20.5529 43.2
200 532.6 0.4276 4.7574 0.00433 672.6 0.6575 16.7857 0.00407 21.5431 56.2
240 819.8 0.376 3.1187 0.00304 989.5 0.505 13.9117 0.00282 17.0304 69.6
280 845.6 0.3885 3.4423 0.00295 1035.1 0.5434 15.3056 0.00274 18.7479 70.5
320 1047.0 0.3245 4.4208 0.00210 1274.6 0.4362 12.3450 0.00196 16.7658 78.9
S2 0 246.8 0.7255 3.6592 0.01331 327.4 0.8907 40.9180 0.01066 44.5771 0.0
20 256.5 0.739 5.2648 0.01308 338.3 1.0397 19.5135 0.01093 24.7783 0.0
40 274.7 0.6024 3.9038 0.01047 377.9 0.8822 34.8650 0.00862 38.7688 19.2
80 310.1 0.5412 4.7950 0.00922 480.0 0.7802 21.7137 0.00672 26.5086 36.9
160 535.3 0.371 6.4258 0.00458 641.9 0.4759 17.5933 0.00421 24.0191 60.5
320 1281.3 0.2638 6.0494 0.00156 1376.7 0.2717 15.2971 0.00147 21.3465 86.2
S3 0 255.5 0.7245 5.4127 0.01285 344.7 1.0325 76.7405 0.01055 82.1532 0.0
80 256.5 0.5023 2.4554 0.01157 362.4 0.921 70.7951 0.00986 73.2505 6.5
160 305.9 0.5422 5.0593 0.00905 433.2 0.8036 73.0303 0.00730 78.0896 30.8
320 374.2 0.3447 5.1102 0.00647 605.5 0.5525 34.5903 0.00476 39.7004 54.9
640 94.5 0.1238 1.9171 0.01432 978.1 0.3072 37.6609 0.00231 39.5779 78.1
S4 0 251.1 0.5814 2.5884 0.01220 327.7 0.7375 52.1562 0.01007 54.7446 0.0
40 245.5 0.6108 3.6068 0.01289 338.7 0.7896 57.5782 0.01010 61.1850 0.0
80 262.1 0.5237 3.0778 0.01043 357.3 0.7423 58.3756 0.00863 61.4534 14.3
160 282.4 0.4486 2.8312 0.00946 386.6 0.5798 56.9032 0.00758 59.7344 24.8
320 373.1 0.3794 3.0034 0.00663 471.7 0.4864 59.7257 0.00577 62.7290 42.7
640 619.0 0.323 4.1183 0.00355 705.8 0.3506 7.6208 0.00323 11.7390 67.9
S5 0 232.7 0.5773 2.6695 0.01313 329.4 0.8252 56.5456 0.01036 59.2150 0.0
40 263.6 0.7121 5.2766 0.01259 363.8 0.9302 79.0143 0.00986 84.2910 4.9
80 274.2 0.5664 3.5835 0.01026 402.7 0.7452 45.8086 0.00767 49.3921 26.0
160 421.8 0.6124 7.4357 0.00707 495.0 0.7121 61.1381 0.00633 68.5738 38.9
320 529.5 0.5756 6.0004 0.00546 591.1 0.6197 57.5773 0.00501 63.5777 51.6
640 845.7 0.1652 3.0030 0.00180 1058.8 0.3052 33.0030 0.00202 36.0060 80.5
S6 0 247.9 0.6882 4.4994 0.01303 332.0 0.8665 42.6671 0.01043 47.1665 0.0
20 280.6 0.6708 5.5756 0.01161 398.0 0.8547 35.9981 0.00879 41.5737 15.6
40 388.6 0.5994 5.9808 0.00739 467.6 0.7267 34.1850 0.00655 40.1657 37.2
160 657.2 0.4864 9.9455 0.00419 730.0 0.5284 26.5580 0.00389 36.5035 62.7
320 968.0 0.2628 6.6450 0.00218 1059.8 0.2786 24.9284 0.00204 31.5733 80.4