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1. Antibiofilm, antiquorum sensing and antioxidant activity of secondary metabolites from seeds of Annona senegalensis, Persoon

Author:
Alfred Ngenge Tamfu; Ozgur Ceylan; Godloves Chi Fru; Mehmet Ozturk; Mehmet Emin Duru; Farzana Shaheen
Source:
Microbial pathogenesis 2020 v.144 pp. 104191
ISSN:
0882-4010
Subject:
2,2-diphenyl-1-picrylhydrazyl; Annona senegalensis; Candida albicans; Escherichia coli; Staphylococcus aureus; antibiotics; antimicrobial properties; antioxidant activity; antioxidants; bacteria; bacterial motility; biofilm; cell communication; chelation; chromatography; dose response; inhibitory concentration 50; minimum inhibitory concentration; quercetin; quorum sensing; secondary metabolites; seed extracts; seeds; violacein; yeasts
Abstract:
... The increasing resistance of bacteria to antibiotics has motivated the interest in potent natural compounds capable of disrupting bacterial cell-to-cell communication. Column chromatography of seed extract of Annona senegalensis afforded N-cerotoyltryptamine (1), asimicin (2) and ent-19-carbomethoxykauran-17-oic acid (3). The compounds were tested for their antimicrobial, antibiofilm, and anti-quo ...
DOI:
10.1016/j.micpath.2020.104191

2. Antimicrobial and Antioxidant Activities of Two Medicinal Plants Cuphea aequipetala var. hispida (Cav.) Koehne and Eryngium comosum Delaroche F Against Bacteria Related to Equine Infections

Author:
Tonantzin Díaz Alvarado; María Dolores Mariezcurrena Berasain; Abdelfattah Z.M. Salem; Dora Luz Pinzón Martínez
Source:
Journal of equine veterinary science 2020 v.94 pp. 103269
ISSN:
0737-0806
Subject:
Cuphea; Eryngium; Escherichia coli; Listeria monocytogenes; Salmonella Enteritidis; antibiotics; antimicrobial properties; antioxidant activity; antioxidants; bacteria; horses; nutrition research; pathogens; phenols; saponins; serotypes; veterinary medicine
Abstract:
... Functional biocompounds beneficial for animals and humans are in Mexican folk herbs. Cuphea and Eryngium species presented antimicrobial potential. Natural antibiotic uses by ethnoveterinary research with medicinal plants in equine infection or digestive diseases need more scientific evidence. Staphylococcus aureus, Escherichia coli, Salmonella enterica serotype Enteritidis are etiological agents ...
DOI:
10.1016/j.jevs.2020.103269

3. Antioxidant and antimicrobial activities of citrus essential oils from Argentina and the United States

Author:
Matías Alejandro Raspo; María Belén Vignola; Alfonsina Ester Andreatta; Héctor Rodolfo Juliani
Source:
Food bioscience 2020 v.36 pp. 100651
ISSN:
2212-4292
Subject:
Citrus; Escherichia coli; Lactobacillus plantarum; Leuconostoc mesenteroides; antimicrobial properties; antioxidant activity; antioxidants; bacteria; chemical composition; essential oils; gas chromatography-mass spectrometry; grapefruits; hydrodistillation; lemons; limonene; minimum inhibitory concentration; Argentina; United States
Abstract:
... Peels of citrus species from Argentina and the United States were subjected to hydrodistillation to obtain their essential oils. Gas chromatography/mass spectrometry was carried out to determine the chemical composition of all the essential oils. Limonene was found as the major compound with many minor components varying according to the different species. Antioxidant assays were done to determine ...
DOI:
10.1016/j.fbio.2020.100651

4. Assessment of oxidative stability and physicochemical, microbiological, and sensory properties of beef patties formulated with baobab seed (Adansonia digitata) extract

Author:
FahadY. Al-Juhaimi; Ibrahim A. Babtain; Isam A. Mohamed Ahmed; Omer N. Alsawmahi; Kashif Ghafoor; Oladipupo Q. Adiamo; Elfadil E. Babiker
Source:
Meat science 2020 v.162 pp. 108044
ISSN:
0309-1740
Subject:
Adansonia digitata; antimicrobial properties; antioxidant activity; antioxidants; bacteria; beef; chemical composition; lipids; oxidative stability; patties; phenolic compounds; seed extracts; sensory evaluation; sensory properties; shelf life; storage temperature
Abstract:
... The present study was conducted to evaluate the oxidative stability and the physicochemical, microbiological, and sensory properties of beef patties formulated with different concentrations (1%, 2%, and 3%) of baobab seed extract (BSE) during storage at 4 °C. The BSE contained a considerable number of phenolic compounds and exhibited antioxidant and antimicrobial activities (both on gram-positive ...
DOI:
10.1016/j.meatsci.2019.108044

5. Bioactive Potential of 2-Methoxy-4-vinylphenol and Benzofuran from Brassica oleracea L. var. capitate f, rubra (Red Cabbage) on Oxidative and Microbiological Stability of Beef Meat

Author:
Momna Rubab; Ramachandran Chelliah; Kandasamy Saravanakumar; Kaliyan Barathikannan; Shuai Wei; Jong-Rae Kim; Daesang Yoo; Myeong-Hyeon Wang; Deog-Hwan Oh
Source:
Foods 2020 v.9 no.5 pp. -
ISSN:
2304-8158
Subject:
Brassica oleracea; Caenorhabditis elegans; DNA topoisomerase (ATP-hydrolysing); antimicrobial properties; antioxidant activity; antioxidants; bacteria; beef; biopreservatives; cabbage; cell walls; chloroform; cytotoxicity; human cell lines; lipoproteins; phytochemicals; refrigeration; shelf life
Abstract:
... In the future, plant based phytochemicals will be considered as efficient replacement sources of chemical preservatives, to act as potential bio-preservatives. We investigated the antibacterial and antioxidant activity of red cabbage (RC) extracts using different solvents. Among all extracts, chloroform extract exhibited strong antimicrobial and antioxidant activities. Hence, the phytochemical con ...
DOI:
10.3390/foods9050568

6. Effect of Wine Lees as Alternative Antioxidants on Physicochemical and Sensorial Composition of Deer Burgers Stored during Chilled Storage

Author:
Marina Alarcón; Manuel López-Viñas; María Soledad Pérez-Coello; María Consuelo Díaz-Maroto; María Elena Alañón; Almudena Soriano
Source:
Antioxidants 2020 v.9 no.8 pp. -
ISSN:
2076-3921
Subject:
Vitis vinifera; aerobes; aldehydes; antimicrobial properties; antioxidant activity; antioxidants; ascorbic acid; bacteria; biopreservatives; cold storage; color; deer; esters; grapes; lees; lipid peroxidation; lipids; modified atmosphere packaging; odors; organic acids and salts; oxidation; pH; refrigeration; storage time; taste; venison; volatile compounds; wines
Abstract:
... Wine lees from two grape varieties (Vitis vinifera L. Cv. “verdejo” and “palomino”) were studied as natural preservatives in deer burgers compared with the traditional additive sodium ascorbate. Burgers packed in modified atmosphere packaging and stored in refrigeration were analyzed at 0, 4, 8, and 12 days. The addition of lees (2.5% and 5%) produced a reduction of pH and variations in color (L* ...
DOI:
10.3390/antiox9080687

7. Evaluation of biosynthesis parameters, stability and biological activities of silver nanoparticles synthesized by Cornus Officinalis extract under 365 nm UV radiation

Author:
Yinghui Wang; Simin Wei; Kang Wang; Zhe Wang; Jinwei Duan; Lin Cui; Huayu Zheng; Ying Wang; Shanshan Wang
Source:
RSC advances 2020 v.10 no.45 pp. 27173-27182
ISSN:
2046-2069
Subject:
Cornus officinalis; Escherichia coli; Oriental traditional medicine; Staphylococcus aureus; X-ray diffraction; antimicrobial properties; antineoplastic activity; antineoplastic agents; antioxidant activity; antioxidants; bacteria; biosynthesis; cytotoxicity; flow cytometry; human cell lines; light scattering; nanoparticles; nanosilver; pH; particle size; phytochemicals; plant extracts; silver nitrate; transmission electron microscopy; ultraviolet radiation; zeta potential
Abstract:
... Since silver nanoparticles (AgNPs) synthesized by using plant extracts revealed varied biological activities, the green synthesis of AgNPs has attracted considerable attention. Although the green synthesis of AgNPs have been accomplished by using the extracts of Cornus Officinalis, which is a traditional Chinese medicine and exhibits a wide spectrum of phytochemicals. The effects of biosynthesis p ...
DOI:
10.1039/d0ra04482b

8. Evaluation of phenolic bioactive-linked anti-hyperglycemic and Helicobacter pylori inhibitory activities of Asian Basil (Ocimum spp.) varieties

Author:
Lokesh K. Mishra; Dipayan Sarkar; Rao Mentreddy; Kalidas Shetty
Source:
Journal of herbal medicine 2020 v.20 pp. 100310
ISSN:
2210-8033
Subject:
Helicobacter pylori; Mentha arvensis; Ocimum; alpha-amylase; alpha-glucosidase; antimicrobial properties; antioxidant activity; antioxidants; bacteria; basil; chronic diseases; enzyme inhibition; ethanol; gallic acid; glycemic effect; herbal medicines; in vitro studies; in vivo studies; mint; models; noninsulin-dependent diabetes mellitus; therapeutics; traditional medicine
Abstract:
... Basil (Ocimum spp.) is an important herb from the Lamiaceae family with a long history of use in traditional medicine and food applications. Thus, targeting basil varieties for developing herbal medicines against non-communicable chronic diseases (NCDs) such as type 2 diabetes has significant merit. The aim of this study was to screen Asian basil varieties with therapeutic potential for type 2 dia ...
DOI:
10.1016/j.hermed.2019.100310

9. Fabrication of Ultra-Pure Anisotropic Zinc Oxide Nanoparticles via Simple and Cost-Effective Route: Implications for UTI and EAC Medications

Author:
M. Abd Elkodous; Gharieb S. El-Sayyad; M. I. A. Abdel Maksoud; Ibrahim Y. Abdelrahman; Farag M. Mosallam; Mohamed Gobara; Ahmed I. El-Batal
Source:
Biological trace element research 2020 v.196 no.1 pp. 297-317
ISSN:
0163-4984
Subject:
2,2-diphenyl-1-picrylhydrazyl; Bacillus subtilis; Candida tropicalis; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; X-ray diffraction; anisotropy; antimicrobial properties; antineoplastic activity; antioxidant activity; antioxidants; ascites; bacteria; biofilm; carcinoma; cell viability; cost effectiveness; energy-dispersive X-ray analysis; multiple drug resistance; nanoparticles; neoplasm cells; particle size; pathogens; porosity; scanning electron microscopy; sol-gel processing; surface area; surface plasmon resonance; transmission electron microscopy; ultraviolet-visible spectroscopy; urinary tract diseases; yeasts; zeta potential; zinc oxide
Abstract:
... The purposes of this work are to evaluate the antimicrobial, antibiofilm, anticancer, and antioxidant abilities of anisotropic zinc oxide nanoparticles (ZnO NPs) synthesized by a cost-effective and eco-friendly sol–gel method. The synthesized ZnO NPs were entirely characterized by UV-Vis, XRD, FTIR, HRTEM, zeta potential, SEM mapping, BET surface analyzer, and EDX elemental analysis. Antimicrobial ...
DOI:
10.1007/s12011-019-01894-1

10. The chemical, biological and thermal characteristics and gastronomical perspectives of Laurus nobilis essential oil from different geographical origin

Author:
Pavel A. Riabov; Darko Micić; Rade B. Božović; Dušan V. Jovanović; Ana Tomić; Olja Šovljanski; Snežana Filip; Tomislav Tosti; Sanja Ostojić; Stevan Blagojević; Saša Đurović
Source:
Industrial crops and products 2020 v.151 pp. 112498
ISSN:
0926-6690
Subject:
2,2-diphenyl-1-picrylhydrazyl; Laurus nobilis; alpha-pinene; alpha-terpineol; anti-infective agents; antimicrobial properties; antioxidants; bacteria; cineole; essential oils; evaporation; food industry; gas chromatography-mass spectrometry; gastronomy; oils; pharmaceutical industry; provenance; temperature; thermal analysis; thermal properties; yeasts; Russia; Serbia
Abstract:
... Laurus nobilis (bay laurel) form Serbia (SRBL) and Russia (RFBL) were analyzed in order to establish the chemical profile, thermal properties and biological activity. The GC/MS analysis showed that α-pinene (31.97%) is principal compound in the RFBL followed by eucalyptol (27.95%) and α-terpineol (10.28%). In the case of the SRBL, eucalyptol (40.51%) is the most abundant compound followed by α-ter ...
DOI:
10.1016/j.indcrop.2020.112498

11. Trypsin inhibitor, antioxidant and antimicrobial activities as well as chemical composition of potato sprouts originating from yellow- and colored-fleshed varieties

Author:
Joanna Miedzianka; Anna Pęksa; Agnieszka Nemś; Katarzyna Drzymała; Aleksandra Zambrowicz; Przemysław Kowalczewski
Source:
Journal of environmental science and health 2020 v.55 no.1 pp. 42-51
ISSN:
1532-4109
Subject:
Bacillus subtilis; Candida albicans; antimicrobial properties; antioxidant activity; antioxidants; bacteria; chemical composition; glycoalkaloids; growth retardation; metabolites; phytochemicals; polyphenols; potatoes; trypsin inhibitors; tubers; yeasts
Abstract:
... Potato sprouts could be a valuable resource of phytochemicals such as secondary plant metabolites, potential antioxidants and nutritive compounds. In this work, potato sprout extracts of five varieties were examined; they differed in major glycoalkaloid content, trypsin inhibitor activity, total polyphenol content and antioxidant activity, as well as in antimicrobial activity against Gram + and G  ...
DOI:
10.1080/03601234.2019.1657764

12. Two new phenolic compounds and some biological activities of Scorzonera pygmaea Sibth. & Sm. subaerial parts

Author:
Hasan Şahin; Aynur Sarı; Nurten Özsoy; Berna Özbek Çelik; Onur Koyuncu
Source:
Natural product research 2020 v.34 no.5 pp. 621-628
ISSN:
1478-6427
Subject:
Scorzonera; anti-inflammatory activity; antimicrobial properties; antioxidant activity; antioxidants; bacteria; butanol; chemical constituents of plants; chloroform; chlorogenic acid; ethanol; ethyl acetate; fungi; indomethacin; petroleum; phenolic compounds; spectroscopy
Abstract:
... Phytochemical composition of ethyl acetate fraction and total phenolic content, in vitro antioxidant, anti-inflammatory, antimicrobial activities of petroleum ether, chloroform, ethyl acetate and n-butanol fractions of the ethanol extract obtained from the subaerial parts of Scorzonera pygmaea Sibth. & Sm. (Asteraceae) were investigated. Nine compounds; scorzopygmaecoside (1), scorzonerol (2), cud ...
DOI:
10.1080/14786419.2018.1493585

13. Antimicrobial activity of pomegranate peel extracts performed by high pressure and enzymatic assisted extraction

Author:
Elisabete M.C. Alexandre; Sara Silva; Sónia A.O. Santos; Armando J.D. Silvestre; Maria F. Duarte; Jorge A. Saraiva; Manuela Pintado
Source:
Food research international 2019 v.115 pp. 167-176
ISSN:
0963-9969
Subject:
Bacillus cereus; Bifidobacterium; Lactobacillus; Listeria monocytogenes; Pseudomonas aeruginosa; antibiotic resistance; antimicrobial properties; antioxidant activity; antioxidants; bacteria; beneficial microorganisms; bioactive compounds; byproducts; endo-1,4-beta-glucanase; isomers; methicillin; methicillin-resistant Staphylococcus aureus; minimum inhibitory concentration; phenolic compounds; polygalacturonase; pomegranates; principal component analysis
Abstract:
... This study aimed to assess the effect of high pressure (300 and 600 MPa) and enzymatic extraction (pectinase and cellulase) on the phenolic compounds profile, antioxidant capacity and antimicrobial activity of extracts from pomegranate by-products. Antimicrobial activity against eight different strains of pathogenic and contaminant bacteria and against five beneficial bacteria including Lactobacil ...
DOI:
10.1016/j.foodres.2018.08.044

14. Chemical composition, antioxidant, antimicrobial and antibiofilm activities of Vitex gardneriana schauer leaves's essential oil

Author:
Jean Parcelli Costa do Vale; Louise Helena de Freitas Ribeiro; Mayron Alves de Vasconcelos; Nairley Cardoso Sá-Firmino; Anna Luísa Pereira; Mariana Ferreira do Nascimento; Tigressa Helena Soares Rodrigues; Priscila Teixeira da Silva; Karolina Costa de Sousa; Renally Barbosa da Silva; Luiz Gonzaga do Nascimento Neto; Silvana Saker-Sampaio; Paulo Nogueira Bandeira; Hélcio Silva Santos; Elnatan Bezerra de Souza; Edson Holanda Teixeira
Source:
Microbial pathogenesis 2019 v.135 pp. 103608
ISSN:
0882-4010
Subject:
2,2-diphenyl-1-picrylhydrazyl; Artemia; Vitex; antimicrobial properties; antioxidant activity; antioxidants; bacteria; beta-carotene; biofilm; biomass; bleaching; cell viability; chemical composition; essential oils; fibroblasts; free radicals; humans; hydrodistillation; iron; keratinocytes; leaves; mice; minimum inhibitory concentration; monoterpenoids; oils; oxidation; plankton; sesquiterpenoids; toxicity; yeasts
Abstract:
... This study aimed to determinate the chemical composition and evaluate the antimicrobial and antioxidant activity of the essential oil obtained from leaves of V. gardneriana. The Vitex gardneriana leaves's were hydrodistilled to obtain the essential oil and the chemical composition determined by GC/MS analysis. The antimicrobial activities were determined by microdilution method. The activity of es ...
DOI:
10.1016/j.micpath.2019.103608

15. Comparative analysis of chemical composition, antioxidant and antimicrobial activities of leaves, leaf tea and root from Codonopsis pilosula

Author:
Doudou Yang; Yuan Chen; Fengxia Guo; Baoting Huang; Samuel Anim Okyere; Hui Wang
Source:
Industrial crops and products 2019 v.142 pp. 111844
ISSN:
0926-6690
Subject:
2,2-diphenyl-1-picrylhydrazyl; Codonopsis pilosula; amino acids; antimicrobial properties; antioxidant activity; antioxidants; ascorbic acid; bacteria; chemical composition; cosmetics; ethanol; flavonoids; foods; green tea; leaves; nutrients; perennials; polyphenols; polysaccharides; processing technology; roots; yeasts
Abstract:
... Codonopsis pilosula is a perennial plant mainly used in medicines; for which only the roots are generally used, with the leaves going unused. To provide guidance for the comprehensive development and utilization of this plant, C. Pilosula leaves were processed into tea according to green tea processing technology. In this study, the chemical composition, antioxidant and antimicrobial activities of ...
DOI:
10.1016/j.indcrop.2019.111844

16. Effect of Neem (Azadirachta indica L.) on Lipid Oxidation in Raw Chilled Beef Patties

Author:
Manel Ouerfelli; Juliana Villasante; Leila Bettaieb Ben Kaâb; MaríaPilar Almajano
Source:
Antioxidants 2019 v.8 no.8 pp. -
ISSN:
2076-3921
Subject:
Azadirachta indica; Micrococcus luteus; Staphylococcus aureus; antimicrobial properties; antioxidant activity; antioxidants; bacteria; bacterial growth; cold storage; color; food industry; ground beef; leaf extracts; leaves; lipid peroxidation; pH; patties; polyphenols; raw meat; shelf life; storage time
Abstract:
... The aim of this study was to determine the total polyphenol content, radical scavenging and antimicrobial activities of Azadirachta indica (A. indica) and to evaluate their effect on shelf-life stability of raw beef patties during refrigerated storage at 4 ± 1 °C. During 11 days of storage, the antioxidant effect of A. indica on ground beef meat was investigated by the determination of lipid oxida ...
DOI:
10.3390/antiox8080305
PubMed:
31416174
PubMed Central:
PMC6720949

17. Phenolic composition and antioxidant, antimicrobial and cytotoxic properties of hop (Humulus lupulus L.) Seeds

Author:
José Ignacio Alonso-Esteban; José Pinela; Lillian Barros; Ana Ćirić; Marina Soković; Ricardo C. Calhelha; Esperanza Torija-Isasa; María de Cortes Sánchez-Mata; Isabel C.F.R. Ferreira
Source:
Industrial crops and products 2019 v.134 pp. 154-159
ISSN:
0926-6690
Subject:
Humulus lupulus; Penicillium; adenocarcinoma; antimicrobial properties; antioxidant activity; antioxidants; bacteria; beers; bitterness; breasts; brewing industry; cell lines; cytotoxicity; females; functional foods; fungi; hepatoma; inflorescences; liquid chromatography; lung neoplasms; neoplasm cells; odors; seed extracts; seeds; thiobarbituric acid-reactive substances; uterine cervical neoplasms
Abstract:
... Hop (Humulus lupulus L.) is a perennial climbing plant cultivated for commercial use, mainly in brewing industry, since the female inflorescences (cones) contain lupulin glands that confer the characteristic bitterness, aroma and flavour to beer. However, the bioactive potential of the seeds found in these cones remains unexplored. In this study, the phenolic composition of hop seeds was analysed ...
DOI:
10.1016/j.indcrop.2019.04.001

18. Phytochemical, antioxidant, anti-proliferative and antimicrobial properties of Catharanthus roseus root extract, saponin-enriched and aqueous fractions

Author:
Hong Ngoc Thuy Pham; Jennette A. Sakoff; Quan Van Vuong; Michael C. Bowyer; Christopher J. Scarlett
Source:
Molecular biology reports 2019 v.46 no.3 pp. 3265-3273
ISSN:
0301-4851
Subject:
Aspergillus niger; Candida albicans; Catharanthus roseus; Enterobacter aerogenes; Escherichia coli; alkaloids; antimicrobial properties; antioxidant activity; antioxidants; apigenin; bacteria; breasts; cell lines; chemical constituents of plants; colon; cytotoxicity; fungi; gallic acid; glioblastoma; kaempferol; leaves; lungs; medicinal plants; neoplasm cells; pancreas; saponins
Abstract:
... Catharanthus roseus (L.) G. Don (C. roseus) is a well-known medicinal plant for its source of alkaloids solely found in the leaves. Other parts including the root are usually discarded after the alkaloid extraction. This study sought to investigate phytochemical profiles, antioxidant, antimicrobial and cytotoxic properties of the C. roseus root extract (RE) and its two sub-fractions including sapo ...
DOI:
10.1007/s11033-019-04786-8

19. Plant oil bioconversion into increase biological activity through lipases derived from wastes

Author:
Valesca Cristiane Benelli Francisco; Clarissa Hamaio Okino‐Delgado; Mirella R. Zanutto Elgui; Célio Junior da Costa Fernandes; Roselaine Facanali; Rodrigo Augusto da Silva; Willian Fernando Zambuzzi; Márcia Ortiz Mayo Marques; Luciana Francisco Fleuri
Source:
International journal of food science & technology 2019 v.54 no.4 pp. 1089-1099
ISSN:
0950-5423
Subject:
Escherichia; Helianthus annuus; Listeria; Pseudomonas; Salmonella; Staphylococcus; antimicrobial properties; antioxidant activity; antioxidants; bacteria; bioassays; biotransformation; carboxylic ester hydrolases; catalytic activity; chemical composition; corn; cytotoxicity; growth retardation; hydrolysis; neoplasm cells; olive oil; viability; wastes
Abstract:
... The aim of this study was to show that abundant and inexpensive plant oils can be biotransformed to increase biological activity (antioxidant, antimicrobial and cytotoxicity) through hydrolysis reaction catalysed by lipases. We tested homemade and commercial lipases through the biotransformation of nine different plant oils in forty different combinations. First, the chemical composition of the sa ...
DOI:
10.1111/ijfs.13949

20. Preparation of a crude chitosanase from blue crab viscera as well as its application in the production of biologically active chito-oligosaccharides from shrimp shells chitosan

Author:
Sawsan Affes; Inmaculada Aranaz; Marwa Hamdi; Niuris Acosta; Olfa Ghorbel-Bellaaj; Ángeles Heras; Moncef Nasri; Hana Maalej
Source:
International journal of biological macromolecules 2019 v.139 pp. 558-569
ISSN:
0141-8130
Subject:
Portunus; acetylation; animal organs; antimicrobial properties; antioxidant activity; antioxidants; bacteria; chitooligosaccharides; chitosan; chitosanase; crabs; depolymerization; functional properties; fungi; hydrolysis; matrix-assisted laser desorption-ionization mass spectrometry; molecular weight; pH; shrimp shells; water solubility
Abstract:
... In this study, a digestive chitosanase from blue crab (Portunus segnis) viscera was extracted, characterized and applied. The crude chitosanase showed optimum activity at pH 4.0 and 60 °C and retained >80% of its activity over a pH range from 3.0 to 10.0. Subsequently, the crude chitosanase was applied to produce bioactive varying molecular weight (Mw) and acetylation degree chitosan-depolymerizat ...
DOI:
10.1016/j.ijbiomac.2019.07.116