Effect of lecithin on the apparent ileal and overall digestibility of crude fat and fatty acids in pigs

Øverland, M.; Mroz, Z.; Sundstøl, F.

doi:10.2527/1994.7282022x

Cited by 42 publications

(17 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Bayley and Lewis 4 found higher fat digestibilities of tallow (10% in diet) by using the emulsifier Lissapol N (nonylphenol ethylene oxide condensate). With rendered fat (6% in diet) or soy oil (6% in diet), Øverland et al 7,8 did not find any improvement in ileal or faecal fat digestibility from lecithin supplementation (0.2-2% in diet). It has been speculated that, with unhydrolysed lecithin, mixed micelles might become abnormally large, slowing up the diffusion process through the unstirred layer and reducing micellar fatty acid uptake.…”

Section: Resultsmentioning

confidence: 99%

Influence of lipase and/or emulsifier addition on the ileal and faecal nutrient digestibility in growing pigs fed diets containing 4% animal fat

Dierick¹,

Decuypere²

2004

J Sci Food Agric

View full text Add to dashboard Cite

Information on the addition of lipase and/or emulsifiers to less digestible or saturated fat sources, such as tallow or other animal fats, used in swine feeding is very limited. Therefore, in a 4 × 4 Latin square design, the effects of adding lipase (0.05% L5, microbial source) and/or an emulsifier (0.3% Lysoforte) on the apparent ileal (AID) and faecal (AFD) digestibility of the main nutrients and fatty acids in particular were studied with four ileal-cannulated growing pigs (female, initial live weight 20 kg) fed diets containing barley/soybean meal supplemented with 4% animal fat. The fat source contained 35% saturated (S) and 65% unsaturated (U) fatty acids. All diets were free of antibacterial substances (antibiotics, copper sulphate or zinc oxide beyond requirements), in order to avoid interactions between the parameters studied and the gut flora. Lipase addition did not affect the AID or AFD of fat. However, the digestibility of minor fatty acids (C6:0, C14:0) was significantly improved by lipase at both ileal and faecal level. On the other hand, lipase supplementation (P < 0.05) improved the AID of dry matter (DM) and energy as well as the AFD of DM, organic matter (OM), crude protein (CP), ash and energy. Addition of an emulsifier did not have any significant influence on the AID or AFD of fat, while the AID values of DM, OM, CP and energy as well as the AFD values of DM, OM, CP and ash were significantly (P < 0.05) improved. Adding lipase in combination with an emulsifier to the diets decreased (P < 0.05) the AID and AFD of fat, with minor effects on the AID and AFD of the non-fat components of the diet. The lack of improvement in the digestion of fat by exogenous lipase and/or emulsifier may be related to the rather high U/S ratio (0.65:0.35) of the animal fat source used and to the mode of incorporation of the emulsifier (no pre-dispersion in the fat source). Furthermore, during the trial the diets, stored at room temperature, showed a steady increase in their content of free fatty acids (to more than 700 g kg −1 fat), due to endogenous lipase activity, leaving less room for upgrading the digestion of animal fat by exogenous lipase and/or emulsifier.

show abstract

Section: Resultsmentioning

confidence: 99%

Influence of lipase and/or emulsifier addition on the ileal and faecal nutrient digestibility in growing pigs fed diets containing 4% animal fat

Dierick¹,

Decuypere²

2004

J Sci Food Agric

View full text Add to dashboard Cite

show abstract

“…The objective of this study was to determine the apparent metabolizable energy (AME n ) values of LEC, ASS and GLY, as well as their mixture in a proportion that resembles their individual proportion in the original crude soy oil (Nelson & Cox, 2002;Overland et al, 1994;Vieira et al, 2002).…”

Section: Energy Utilization Of By-products From the Soybean Oil Indusmentioning

confidence: 99%

“…Lecithin is removed by centrifuging crude soy oil, representing around 1.5 to 3.1 % of the original source (Overland et al, 1994). As for its use by the animal, LEC has important roles in the phosphate and energy metabolism, in addition of being an important source of choline (Menten et al, 1997;Woerfel et al, 1981).…”

Section: Introductionmentioning

confidence: 99%

Energy utilization of by-products from the soybean oil industry by broiler chickens: acidulated soapstock, lecithin, glycerol and their mixture

Peña¹,

Vieira²,

Borsatti³

et al. 2014

Rev. Bras. Cienc. Avic.

View full text Add to dashboard Cite

Acidulated soy soapstock (ASS) and lecithin (LEC) are by-products from processing soy oil (SO) for human consumption, whereas glycerol (GLY) can be obtained through the transesterification of vegetable oils during the production of biodiesel. These are valuable by-products for poultry feeds that have been underutilized in many parts of the world. One study was conducted to estimate the AME n of ASS, LEC, GLY as well as of their mixture (MIX: 85% ASS, 5% LEC and 10% GLY). Two hundred and sixty Cobb 500 female broilers of 20 days of age were housed in steel wire battery cages in a controlled temperature room for broilers. A completely randomized (energy sources x fat inclusion level) factorial design was applied, with 4 replicates of three birds per treatment. Birds were fed a corn-soybean meal control diet without supplemental fat or with the addition of 2, 4, or 6 % of the four energy sources. Total excreta collection was performed from 26 to 28 days. The AME n values of by-products were calculated using regression analysis as well as by the difference method. The average AME n values calculated by regression analysis were : 9,232, 7,502, 5,447 and 8,404, whereas results with the difference method were: 7,951, 6,579, 3,979 and 8,101 kcal/kg for, in both cases for ASS, LEC, GLY and MIX, respectively. It is concluded that these energy sources can be for broilers and that there are significant differences between the methods used to estimate AME n of fats.

show abstract

“…The possible explanation for these results might be the results of more retention and absorption of both calcium and fatty acids. Conversely, the reports earlier have showed that high calcium supplementation resulted in more formation of calcium soap (Atteh and Leeson, 1983) and no effect of dietary lecithin on fat and calcium diestibility (Overland et al, 1993(Overland et al, , 1994.…”

Section: Discussionmentioning

confidence: 85%

“…Although there was no treatment effect on fat digestibility, higher value of fat absorption might reduce fermentation in the small intestine resulting in lower villous surface damage and subsequently might improve growth performance. However, some previous research has demonstrated that there was no influence of lecithin on the utilisation of fat (Overland et al, 1994), but the method of addition of lecithin to the diet might play a role in these differences.…”

Section: Discussionmentioning

confidence: 86%

Effect of dietary calcium and lecithin on growth performance and small intestinal morphology of young wild pigs

et al. 2010

View full text Add to dashboard Cite

Effect of lecithin on the apparent ileal and overall digestibility of crude fat and fatty acids in pigs

Cited by 42 publications

References 22 publications

Influence of lipase and/or emulsifier addition on the ileal and faecal nutrient digestibility in growing pigs fed diets containing 4% animal fat

Influence of lipase and/or emulsifier addition on the ileal and faecal nutrient digestibility in growing pigs fed diets containing 4% animal fat

Energy utilization of by-products from the soybean oil industry by broiler chickens: acidulated soapstock, lecithin, glycerol and their mixture

Effect of dietary calcium and lecithin on growth performance and small intestinal morphology of young wild pigs

Contact Info

Product

Resources

About