In vitro fermentation of different commercially available pectins using inoculum from rabbit caecum

Kermauner, Ajda; Lavrenčič, A.

doi:10.4995/wrs.2010.18.01

Cited by 4 publications

(6 citation statements)

References 33 publications

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“…An important component of SDF is pectin. Kermauner and Lavrencic (2010) stated that the potential gas production of different commercially available pectin sources (beet, apple and citrus pulp) were determined in rabbit as 144-188 ml · 0.5 g -1 DM. In the present study, tomato pomace and sugar beet pulp, in particular, increased in vitro gas production by substrate, thus indicating an increased microbial fermentation intensity.…”

Section: Discussionmentioning

confidence: 99%

Effect of dietary fibre and condensed tannins concentration from various fibrous feedstuffs on in vitro gas production kinetics with rabbit faecal inoculum

Kara¹

2016

J. Anim. Feed Sci.

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Section: Discussionmentioning

confidence: 99%

Effect of dietary fibre and condensed tannins concentration from various fibrous feedstuffs on in vitro gas production kinetics with rabbit faecal inoculum

Kara¹

2016

J. Anim. Feed Sci.

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“…Although there were few reports on whether wheat germ, hops and grape seed extracts promote broiler growth, some reports suggested positive effects (Abu and Ibrahim, 2018;Goluch et al, 2023). Possible reasons for this were that natural antioxidants protect the intestinal mucosa from oxidative damage and pathogens, while limiting peristaltic activity in digestive disorders, and that some reduction in intestinal motility might lead to better nutrient absorption (Kermauner and Laurenčič, 2008). To date, there had been much evidence that wheat germ, hops and grape seed extracts had antioxidant, antibacterial Frontiers in Physiology frontiersin.org and anti-inflammatory effects.…”

Section: Discussionmentioning

confidence: 99%

Feeding broilers with wheat germ, hops and grape seed extract mixture improves growth performance

Zou¹,

Meng²,

et al. 2023

Front. Physiol.

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In the study, Wheat germ, Hops and Grape seed extracts were made into a mixture (BX). The BX was supplemented in AA + broilers diets to investigate the effects of BX on broiler growth performance, blood indicators, microbiota, and noxious gas emissions in faeces. Four hundred and eighty 1-day-old AA + male broilers with an average initial body weight (44.82 ± 0.26) were randomly divided into four dietary treatments of six replicates each, with 20 birds per replicate. The experimental groups consisted of a group fed a basal diet and groups fed basal diet supplemented with 0.05%, 0.1%, and 0.2% BX. The trail was 42 days. The results showed that supplementing the dietary with graded levels of BX linearly increased ADG and ADFI from days 22–42 and 1–42. When dietarys supplemented with 0.2% BX significantly increased ADG and ADFI on days 22–42 and 1–42 (p < 0.05). The addition of BX reduced H2S and NH3 emissions in the faeces; the levels of E. coli and Salmonella in the faeces were significantly reduced and the levels of Lactobacillus were increased (p < 0.05). In this trial, when the diet was supplemented with 0.2% BX, faecal levels of E. coli and Salmonella were consistently at their lowest levels and Lactobacillus were at their highest. At the same time, NH3 and H2S emissions from broiler faecal also had been at their lowest levels. Conclusion: Dietary supplementation with a 0.2% BX could improve the growth performance of broilers and also reduced faecal H2S and NH3 emissions, as well as faecal levels of E. coli and Salmonella, and increased levels of Lactobacillus. Thus, BX made by Wheat germ, Hops and Grape seed extract is expected to be an alternative to antibiotics. And based on the results of this trial, the recommended dose for use in on-farm production was 0.2%.

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“…Sproščeni sladkorji nato fermentirajo v pline in hlapne maščobne kisline (HMK). Značilnosti fermentacije topnih, torej hitro razgradljivih NŠP (pektinov), pa tudi slabše topnih in netopnih, torej počasneje razgradljivih NŠP (celuloza, ksilan) pri kuncih so opisali že Lavrenčič (2007) in Kermauner in Lavrenčič (2010). V literaturi smo našli tudi nekaj podatkov o in vitro fermentaciji krmnih mešanic z različnimi vsebnostmi NŠP (npr.…”

Section: Uvodunclassified

“…( 2003)) in/ali produktov fermentacije, predvsem HMK (Kermauner in sod., 1996;Marounek in sod., 1997;Gidenne in sod., 2002), pa lahko ocenimo aktivnost celotne mikrobne populacije v slepem črevesu. Tudi tehnika plinskega testa v kombinaciji z določanjem HMK je zelo uporabna metoda za oceno mikrobne aktivnosti (Calabro in sod., 1999;Lavrenčič, 2007;Villamide in sod., 2009;Kermauner in Lavrenčič, 2010), Carabaño in sod. (2006) pa podajajo podroben pregled tehnik za ugotavljanje mikrobne aktivnosti v slepem črevesu pri kuncih.…”

Section: Uvodunclassified

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Kazalniki in vitro fermentacije in tvorba HMK iz nestrukturnih ogljikovih hidratov pri kuncih

Lavrenčič

KERMAUNER²

2022

AAS

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Six pure non-structural carbohydrates (glucose, fructose, sucrose, β-glucan, chicory inulin (inulin-C) and inulin of undefined source (inulin-N)) were incubated anaerobically in the inoculum prepared from rabbit caecum content and the kinetic parameters of in vitro gas production (total potential gas production (B), maximum fermentation rate (MFR), time when MFR was reached (TMFR), lag phase (Lag), the amount of gas (Gas8) and fermentation rate at 8 hours of incubation (FR8)) and volatile fatty acids (VFA) production after 8 hours were determined. MFRs were the greatest and TMFRs the shortest with the fermentation of sugars: glucose (MFR 36.0 ml/h; TMFR 8.6 h), fructose (MFR 38.6 ml/h; TMFR 9.6 h) and sucrose (MFR 33.2 ml/h; TMFR 9.4 h). Fermentation was the lowest in β-glucan (MFR 12.5 ml/h; TMFR 15.3 h), while fermentation of the two inulins was very different: fermentation of inulin-N was intensive and fast and similar to sugars (MFR 32.3 ml/h; TMFR 8.3 h), while inulin-C fermented slowly and with low intensity (MFR 30.5 ml/h; TMFR 11.5 h). VFA production after 8 hours of incubation was the highest for simple sugars and inulin-N, low for inulin-C, and the lowest for β-glucan (p < 0.05). The molar proportion of acetic acid was lower in sugars and inulin-N than in inulin-C and β-glucan, which had the lowest molar proportion of butyric acid (p < 0.05)

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In vitro fermentation of different commercially available pectins using inoculum from rabbit caecum

Cited by 4 publications

References 33 publications

Effect of dietary fibre and condensed tannins concentration from various fibrous feedstuffs on <i>in vitro gas</i> production kinetics with rabbit faecal inoculum

Effect of dietary fibre and condensed tannins concentration from various fibrous feedstuffs on <i>in vitro gas</i> production kinetics with rabbit faecal inoculum

Feeding broilers with wheat germ, hops and grape seed extract mixture improves growth performance

Kazalniki in vitro fermentacije in tvorba HMK iz nestrukturnih ogljikovih hidratov pri kuncih

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