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1. Orange peel waste valorisation through limonene extraction using bio-based solvents

Author:
Ozturk, Baranse; Winterburn, James; Gonzalez-Miquel, Maria
Source:
Biochemical engineering journal 2019 v.151 pp. 107298
ISSN:
1369-703X
Subject:
bioactive compounds; biomass; bioprocessing; carbonates; ethyl acetate; feedstocks; gas chromatography-mass spectrometry; hexane; industrial applications; isopropyl alcohol; lactic acid; limonene; methyl ethers; models; orange peels; polyethylene glycol; scanning electron microscopy; screening; solubility; solvents; temperature; value added; wastes
Abstract:
... Orange peel waste (OPW) can be an effective feedstock for extraction of natural bioactive components such as limonene, a high value-added chemical broadly exploited for food, pharmaceutical, and cosmetic industrial applications. Extraction of limonene from OPW has been conventionally performed via solvent extraction using hexane, a hazardous petrochemical solvent currently restricted under interna ...
DOI:
10.1016/j.bej.2019.107298

2. Extraction of phenolic compounds and production of biomethane from strawberry and raspberry extrudates

Author:
Trujillo-Reyes, Ángeles; Cubero-Cardoso, Juan; Rodríguez-Gutiérrez, Guillermo; García-Martín, Juan Francisco; Rodríguez-Galán, Mónica; Borja, Rafael; Serrano, Antonio; Fermoso, Fernando G.
Source:
Biochemical engineering journal 2019 v.147 pp. 11-19
ISSN:
1369-703X
Subject:
anaerobic digestion; bioactive compounds; biogas; biomass; biorefining; economic feasibility; gallic acid; methane; methane production; raspberries; strawberries
Abstract:
... This study proposes a biorefinery approach system to treat two berry extrudates generated by the berry-tasted products industry. The berry extrudates studied were strawberry extrudate (SE1 and SE2) and raspberry extrudate (RE), both of them processed in the same industrial plant. The proposed biorefinery approach consists in the extraction of bioactive compounds after hydrothermal pre-treatment fo ...
DOI:
10.1016/j.bej.2019.03.023

3. Isolation and identification of new microalgae strains with antibacterial activity on food-borne pathogens. Engineering approach to optimize synthesis of desired metabolites

Author:
Schuelter, Adilson Ricken; Kroumov, Alexander Dimitrov; Hinterholz, Camila Larissa; Fiorini, Adriana; Trigueros, Daniela Estelita Goes; Vendruscolo, Eliane Gruska; Zaharieva, Maya Margaritova; Módenes, Aparecido Nivaldo
Source:
Biochemical engineering journal 2019 v.144 pp. 28-39
ISSN:
1369-703X
Subject:
Chlorella; Desmodesmus; Micractinium; Tetradesmus; antibacterial properties; bacterial growth; bioactive compounds; biomass; engineering; food pathogens; genomics; growth retardation; hydrophilicity; lighting; metabolites; microalgae; ribosomal DNA; virulent strains
Abstract:
... This paper presents a strategy for isolation, identification and evaluation of microalgae strains synthesizing biologically active compounds (BAC) with antimicrobial activity against food-borne and other pathogens. Water samples containing microalgae were initially submitted to the enrichment process, followed by standard procedure for obtaining pure culture. Purified DNA from the microalgae isola ...
DOI:
10.1016/j.bej.2019.01.007

4. Optimizing co-culture conditions of adventitious roots of Echinacea pallida and Echinacea purpurea in air-lift bioreactor systems

Author:
Wu, C.H.; Tang, J.; Jin, Z.X.; Wang, M.; Liu, Z.Q.; Huang, T.; Lian, M.L.
Source:
Biochemical engineering journal 2018 v.132 pp. 206-216
ISSN:
1369-703X
Subject:
2,2-diphenyl-1-picrylhydrazyl; Echinacea pallida; Echinacea purpurea; adventitious roots; antioxidant activity; bioactive compounds; biomass; bioreactors; biosynthesis; caffeic acid; caftaric acid; chlorogenic acid; coculture; flavonoids; metabolites; polysaccharides; sucrose
Abstract:
... Co-culture is a new strategy to enhance metabolite biosynthesis of plants. In the present study, effects of Murashige and Skoog (MS) medium strengths and sucrose concentrations on adventitious root (AR) biomass, bioactive compound accumulation, and antioxidant activity were investigated to optimize the bioreactor co-culture conditions of the ARs of Echinacea pallida and Echinacea purpurea. A kinet ...
DOI:
10.1016/j.bej.2018.01.024

5. Effects of major nutrients, growth regulators and inoculum size on enhanced growth and camptothecin production in adventitious root cultures of Ophiorrhiza mungos L.

Author:
Deepthi, S.; Satheeshkumar, K.
Source:
Biochemical engineering journal 2017 v.117 pp. 198-209
ISSN:
1369-703X
Subject:
Ophiorrhiza; adventitious roots; ammonium nitrogen; antineoplastic activity; bioactive compounds; biomass; bioreactors; explants; gibberellic acid; high performance liquid chromatography; indole butyric acid; inoculum; leaves; medicinal plants; naphthaleneacetic acid; nitrate nitrogen; nutrients; phosphates; root growth; secondary metabolites; sucrose
Abstract:
... Adventitious root cultures of medicinal plants are a source of secondary metabolites of pharmaceutical importance. Ophiorrhiza mungos (Rubiaceae) contains a bioactive compound, camptothecin (CPT), which possess anticancer activity. Adventitious roots of O. mungos were induced on aseptic leaf explants and established isolated root cultures. Various culture parameters were studied and showed that 1/ ...
DOI:
10.1016/j.bej.2016.10.016