TY - JOUR A1 - Idler, Christine A1 - Venus, Joachim A1 - Beitz, Horst T1 - Untersuchungen zum mikrobiellen Abbau von Triazin-Herbiziden : Teil 2 ; Modellversuch in belasteten Böden Y1 - 1994 ER - TY - JOUR A1 - Venus, Joachim A1 - Bechmann, Wolfgang A1 - Volkmer, Petra A1 - Beitz, Horst T1 - Untersuchungen zum mikrobiellen Abbau chlorierter Kohlenwasserstoffe am Beispiel von DDT und Lindan Y1 - 1994 ER - TY - JOUR A1 - Schroedter, Linda A1 - Schneider, Roland A1 - Remus, Lisa A1 - Venus, Joachim T1 - L-(+)-lactic acid from reed BT - comparing various resources for the nutrient provision of B. coagulans JF - Resources N2 - Biotechnological production of lactic acid (LA) is based on the so-called first generation feedstocks, meaning sugars derived from food and feed crops such as corn, sugarcane and cassava. The aim of this study was to exploit the potential of a second generation resource: Common reed (Phragmites australis) is a powerfully reproducing sweet grass which grows in wetlands and creates vast monocultural populations. This lignocellulose biomass bears the possibility to be refined to value-added products, without competing with agro industrial land. Besides utilizing reed as a renewable and inexpensive substrate, low-cost nutritional supplementation was analyzed for the fermentation of thermophilicBacilluscoagulans.Various nutritional sources such as baker's and brewer's yeast, lucerne green juice and tryptone were investigated for the replacement of yeast extract. The structure of the lignocellulosic material was tackled by chemical treatment (1% NaOH) and enzymatic hydrolysis (Cellic(R)CTec2).B.coagulansDSM ID 14-300 was employed for the homofermentative conversion of the released hexose and pentose sugars to polymerizable L-(+)-LA of over 99.5% optical purity. The addition of autolyzed baker's yeast led to the best results of fermentation, enabling an LA titer of 28.3 g L(-1)and a yield of 91.6%. KW - lignocellulose KW - reed KW - Phragmites australis KW - lactic acid KW - Bacillus KW - coagulans Y1 - 2020 U6 - https://doi.org/10.3390/resources9070089 SN - 2079-9276 VL - 9 IS - 7 PB - MDPI CY - Basel ER - TY - JOUR A1 - Venus, Joachim A1 - Idler, Frank A1 - Idler, Christine T1 - Ermittlung der Leistungsfähigkeit von Milchsäurebakterien für die Grünfuttersilierung auf der Basis von Ergebnissen physiologischer Untersuchungen Y1 - 1995 ER - TY - JOUR A1 - Idler, Frank A1 - Idler, Christine A1 - Venus, Joachim A1 - Schade, Werner T1 - Einsatz von Milchsäurebakterien als Starterkulturen für die Konservierung von Grünfutterstoffen : Ergebnisse zur Verdaulichkeit mikrobiell konservierten Futters Y1 - 1994 ER -