Fermentative lactic acid production from coffee pulp hydrolysate using Bacillus coagulans at laboratory and pilot scales

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Fermentative lactic acid production from coffee pulp hydrolysate using Bacillus coagulans at laboratory and pilot scales. / Pleissner, Daniel; Neu, Anna-Katrin; Mehlmann, Kerstin et al.

in: Bioresource Technology, Jahrgang 218, 01.10.2016, S. 167-173.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Pleissner D, Neu A-K, Mehlmann K, Schneider R, Puerta-Quintero GI, Venus J. Fermentative lactic acid production from coffee pulp hydrolysate using Bacillus coagulans at laboratory and pilot scales. Bioresource Technology. 2016 Okt 1;218:167-173. doi: 10.1016/j.biortech.2016.06.078

Bibtex

@article{3654557421c740248381426ca9d753f3,
title = "Fermentative lactic acid production from coffee pulp hydrolysate using Bacillus coagulans at laboratory and pilot scales",
abstract = "In this study, the lignocellulosic residue coffee pulp was used as carbon source in fermentative l(+)-lactic acid production using Bacillus coagulans. After thermo-chemical treatment at 121 °C for 30 min in presence of 0.18 mol L−1 H2SO4 and following an enzymatic digestion using Accellerase 1500 carbon-rich hydrolysates were obtained. Two different coffee pulp materials with comparable biomass composition were used, but sugar concentrations in hydrolysates showed variations. The primary sugars were (g L−1) glucose (20–30), xylose (15–25), sucrose (5–11) and arabinose (0.7–10). Fermentations were carried out at laboratory (2 L) and pilot (50 L) scales in presence of 10 g L−1 yeast extract. At pilot scale carbon utilization and lactic acid yield per gram of sugar consumed were 94.65% and 0.78 g g−1, respectively. The productivity was 4.02 g L−1 h−1. Downstream processing resulted in a pure formulation containing 937 g L−1 l(+)-lactic acid with an optical purity of 99.7%.",
keywords = "Bacillus coagulans, Renewable resources, Coffee pulp, Agricultural residue utilization, Chemistry",
author = "Daniel Pleissner and Anna-Katrin Neu and Kerstin Mehlmann and Roland Schneider and Puerta-Quintero, {Gloria In{\'e}s} and Joachim Venus",
year = "2016",
month = oct,
day = "1",
doi = "10.1016/j.biortech.2016.06.078",
language = "English",
volume = "218",
pages = "167--173",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Fermentative lactic acid production from coffee pulp hydrolysate using Bacillus coagulans at laboratory and pilot scales

AU - Pleissner, Daniel

AU - Neu, Anna-Katrin

AU - Mehlmann, Kerstin

AU - Schneider, Roland

AU - Puerta-Quintero, Gloria Inés

AU - Venus, Joachim

PY - 2016/10/1

Y1 - 2016/10/1

N2 - In this study, the lignocellulosic residue coffee pulp was used as carbon source in fermentative l(+)-lactic acid production using Bacillus coagulans. After thermo-chemical treatment at 121 °C for 30 min in presence of 0.18 mol L−1 H2SO4 and following an enzymatic digestion using Accellerase 1500 carbon-rich hydrolysates were obtained. Two different coffee pulp materials with comparable biomass composition were used, but sugar concentrations in hydrolysates showed variations. The primary sugars were (g L−1) glucose (20–30), xylose (15–25), sucrose (5–11) and arabinose (0.7–10). Fermentations were carried out at laboratory (2 L) and pilot (50 L) scales in presence of 10 g L−1 yeast extract. At pilot scale carbon utilization and lactic acid yield per gram of sugar consumed were 94.65% and 0.78 g g−1, respectively. The productivity was 4.02 g L−1 h−1. Downstream processing resulted in a pure formulation containing 937 g L−1 l(+)-lactic acid with an optical purity of 99.7%.

AB - In this study, the lignocellulosic residue coffee pulp was used as carbon source in fermentative l(+)-lactic acid production using Bacillus coagulans. After thermo-chemical treatment at 121 °C for 30 min in presence of 0.18 mol L−1 H2SO4 and following an enzymatic digestion using Accellerase 1500 carbon-rich hydrolysates were obtained. Two different coffee pulp materials with comparable biomass composition were used, but sugar concentrations in hydrolysates showed variations. The primary sugars were (g L−1) glucose (20–30), xylose (15–25), sucrose (5–11) and arabinose (0.7–10). Fermentations were carried out at laboratory (2 L) and pilot (50 L) scales in presence of 10 g L−1 yeast extract. At pilot scale carbon utilization and lactic acid yield per gram of sugar consumed were 94.65% and 0.78 g g−1, respectively. The productivity was 4.02 g L−1 h−1. Downstream processing resulted in a pure formulation containing 937 g L−1 l(+)-lactic acid with an optical purity of 99.7%.

KW - Bacillus coagulans

KW - Renewable resources

KW - Coffee pulp

KW - Agricultural residue utilization

KW - Chemistry

UR - http://www.scopus.com/inward/record.url?scp=84975796045&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2016.06.078

DO - 10.1016/j.biortech.2016.06.078

M3 - Journal articles

C2 - 27359065

VL - 218

SP - 167

EP - 173

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -

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