Chitin-chitosan complex from <i>Rhizopus oryzae</i> obtained on a pea culture medium, and some of its physicochemical properties

Beliaeva, Anna; Nianikova, Galina G.; Rostovtseva, Polina P.

doi:10.1051/e3sconf/202021506001

Cited by 1 publication

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References 13 publications

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“…Chitosan is a homogeneous biopolymer composed of repeating units of glucosamine and derived from chitin. It is an essential component of the exoskeleton of crustaceans, insects, and fungal cell walls (Goy et al, 2009, Beliaeva et al, 2020. Commercial formation of chitosan is a multistep procedure that includes deproteinization, demineralization, depigmentation, and finally partial or complete removal of the acetyl group (Pakizeh et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

ANTIFUNGAL ACTIVITY OF CHITOSAN AGAINST Rhizopus stolonifer

Salman

Hussein

Abbas

2021

JEBAS

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These days instead of chemical pesticides, various natural alternatives have been used for the management of post-harvest diseases. This research was carried out to evaluate the antifungal potential of different chitosan concentrations viz., 5, 10, and 15 mg/µl against Rhizopus stolonifer by the agar dilution and well diffusion methods. The evaluation was carried out after seven days of incubation by measuring the inhibition of R. stolonifer mycelial growth. Results of the study revealed that the chitosan had a significant inhibitory effect on mycelial growth and maximum mycelial growth inhibition was reported at the 10 and 15 mg/µl concentrations and these two treatments are not significantly different. Based on these results, the best concentration (15 mg/µl) was further evaluated by the well diffusion technique. The average inhibition zones formed by the higher concentration was 25mm. Results of the study suggested that chitosan can be used for the management of post-harvesting diseases of tomatoes.

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Section: Introductionmentioning

confidence: 99%