Synthesis and Antimicrobial Activity of N-(6-Carboxyl Cyclohex-3-ene Carbonyl) Chitosan with Different Degrees of Substitution
Table 4
The in vitro antifungal activity of chitosan and N-(6-carboxyl cyclohex-3-ene carbonyl) chitosan derivatives against A. alternata, B. cinerea, B. theobromae, F. oxysporum, F. solani, P. digitatum, P. infestans, and S. sclerotiorum by using mycelia radial growth technique.
Chitosan product
(mg/L) with 95% confidence limits
A. alternata
B. cinerea
B. theobromae
F. oxysporum
F. solani
P. digitatum
P. infestans
S. sclerotiorum
Chitosan
2849 (2112–4711)
>3000
>3000
2697 (1921–4952)
1848 (1323–3407)
>3000
1600 (1247–2330)
>3000
1
1390 (1155–1718)
1560 (1259–1994)
971 (452–2129)
1338 (823–2394)
641 (305–995)
1645 (1056–3512)
511 (214–834)
1746 (1491–2088)
2
1288 (822–2327)
1284 (856–1965)
866 (398–1835)
1097 (640–1888)
418 (32–780)
1120 (880–1459)
428 (156–695)
1145 (605–2364)
3
942 (509–1612)
1037 (642–1559)
746 (442–1206)
938 (579–1418)
369 (22–697)
548 (144–988)
337 (147–503)
1038 (643–1619)
4
892 (213–2313)
872 (484–1389)
649 (314–1205)
703 (358–1090)
290 (17–560)
454 (63–865)
329 (53–569)
840 (400–1431)
5
683 (280–1127)
774 (453–1163)
501 (303–728)
500 (252–742)
260 (34–477)
417 (83–747)
298 (69–488)
763 (408–1183)
The concentration causing 50% mycelialgrowth inhibition.
