scholarly journals Bioavailability of iron in geophagic earths and clay minerals, and their effect on dietary iron absorption using an in vitro digestion/Caco-2 cell model

2013 ◽  
Vol 4 (8) ◽  
pp. 1263 ◽  
Author(s):  
Gretchen L. Seim ◽  
Cedric I. Ahn ◽  
Mary S. Bodis ◽  
Flavia Luwedde ◽  
Dennis D. Miller ◽  
...  
Keyword(s):  
Clay Minerals ◽  
Iron Absorption ◽  
Cell Model ◽  
In Vitro Digestion ◽  
Dietary Iron

Co‐products of beef processing enhance non‐haem iron absorption in an in vitro digestion/caco‐2 cell model

2018 ◽  
Vol 54 (4) ◽  
pp. 1256-1264 ◽  
Author(s):  
Elisabeth A. A. O'Flaherty ◽  
Paraskevi Tsermoula ◽  
Eileen E. O'Neill ◽  
Nora M. O'Brien
Keyword(s):  
Iron Absorption ◽  
Cell Model ◽  
In Vitro Digestion ◽  
Beef Processing ◽  
Haem Iron

scholarly journals Homogenization, lyophilization or acid-extraction of meat products improves iron uptake from cereal–meat product combinations in an in vitro digestion/Caco-2 cell model

2008 ◽  
Vol 101 (6) ◽  
pp. 816-821 ◽  
Author(s):  
Helena Pachón ◽  
Rebecca J. Stoltzfus ◽  
Raymond P. Glahn
Keyword(s):  
Iron Uptake ◽  
Iron Absorption ◽  
Cell Model ◽  
Meat Product ◽  
Meat Products ◽  
In Vitro Digestion ◽  
Chicken Liver ◽  
Acid Extraction ◽  
Fortified Cereal

The effect of processing (homogenization, lyophilization, acid-extraction) meat products on iron uptake from meat combined with uncooked iron-fortified cereal was evaluated using an in vitro digestion/Caco-2 cell model. Beef was cooked, blended to create smaller meat particles, and combined with electrolytic iron-fortified infant rice cereal. Chicken liver was cooked and blended, lyophilized, or acid-extracted, and combined with FeSO4-fortified wheat flour. In the beef–cereal combination, Caco-2 cell iron uptake, assessed by measuring the ferritin formed by cells, was greater when the beef was blended for the greatest amount of time (360 s) compared with 30 s (P < 0·05). Smaller liver particles (blended for 360 s or lyophilized) significantly enhanced iron uptake compared to liver blended for 60 s (P < 0·001) in the liver–flour combination. Compared to liver blended for 60 s, acid-extraction of liver significantly enhanced iron uptake (P = 0·03) in the liver–flour combination. Homogenization of beef and homogenization, lyophilization, or acid-extraction of chicken liver increases the enhancing effect of meat products on iron absorption in iron-fortified cereals.

Red Grape Juice Inhibits Iron Availability:  Application of an in Vitro Digestion/Caco-2 Cell Model

2002 ◽  
Vol 50 (23) ◽  
pp. 6935-6938 ◽  
Author(s):  
Francesca Boato ◽  
Gary M. Wortley ◽  
Rui Hai Liu ◽  
Raymond P. Glahn
Keyword(s):  
Cell Model ◽  
Grape Juice ◽  
In Vitro Digestion ◽  
Iron Availability ◽  
Red Grape Juice ◽  
Red Grape

High degradation and no bioavailability of artichoke miRNAs assessed using an in vitro digestion/Caco-2 cell model

2018 ◽  
Vol 60 ◽  
pp. 68-76 ◽  
Author(s):  
Aldo Cavallini ◽  
Fiorenza Minervini ◽  
Antonella Garbetta ◽  
Catia Lippolis ◽  
Gaetano Scamarcio ◽  
...  
Keyword(s):  
Cell Model ◽  
In Vitro Digestion ◽  
No Bioavailability

scholarly journals Solubility and Impact of Ascorbic Acid on the in vitro Bioavailability of Two Casein-Based Iron Fortificants from Reconstituted Milk

2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 1836-1836
Author(s):  
Magalie Sabatier ◽  
Joeska Husny ◽  
Marine Nicolas ◽  
Stèphane Dubascoux ◽  
Mary Bodis ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Iron Uptake ◽  
Iron Absorption ◽  
In Vitro Digestion ◽  
Iron Level ◽  
Similar Amount ◽  
Soluble Iron ◽  
Reconstituted Milk ◽  
The Impact

Abstract Objectives The two objectives were 1) to evaluate the solubility of two iron casein complexes (ICCs) under a condition mimicking gastric pH, 2) to evaluate the impact of ascorbic acid (AA) on the in vitro iron absorption of ICCs after incorporation in reconstituted whole milk powder. Methods The in vitro solubility was determined over time after addition of diluted HCl (pH 1.7), ultracentrifugation and measurement of iron appearing in the supernatant by ICP-OES (n = 2). The impact of AA on iron uptake from the Fe compounds in reconstituted milk was determined using the in vitro digestion coupled with the Caco-2 cell model and the measurement of ferritin/total protein produced by the cells (n = 3). The molar ratio of AA to iron of 2 to 1 recommended by the WHO for iron absorption optimization has been tested with an iron level corresponding to 3.3 mg Fe/serving of milk. Ferrous sulfate (FeSO4), the reference compound for iron bioavailability and micronized ferric pyrophosphate (FePP), main salt used for milk fortification were used as references. Results The dissolution test showed a rapid solubilization of iron from the ICCs i.e., &gt;75 ± 19.3% at 5 min and &gt;89 ± 0.3% at 90 min. The kinetics of soluble iron from the complexes were like that from FeSO4. The solubility of FePP was only 37.6 ± 4.7% at 90 min. Without AA, the iron uptake from FeSO4 was lower than expected translating into a relative in vitro bioavailability (iRBA) of FePP and of the two ICCs to FeSO4 of 66, 169 and 215%. This might be explained by a rapid conversion of soluble iron from FeSO4 into Fe3+ and insoluble iron hydroxide when the pH increased from 2 to &gt;7 during in vitro digestion. However, with the addition of AA in the milk, iron uptake by the cells was found to be increased to levels of 341.8 ± 8.9, 124 ± 12.2, 403.1 ± 117.8 and 362.9 ± 36.9 ng ferritin/mg protein for FeSO4, FePP and the two ICCs respectively. This translates into iRBAs to FeSO4 of 36% for FePP and of 118 and 106% for the two ICCs. Conclusions The solubility and the demonstrated impact of AA on Fe uptake suggest that ICCs are absorbed to a similar amount as FeSO4 and thus provide an excellent source of Fe. Funding Sources Société des Produits Nestlé, NPTC Konolfingen, Switzerland.

scholarly journals Starch Digestion Enhances Bioaccessibility of Anti-Inflammatory Polyphenols from Borlotti Beans (Phaseolus vulgaris)

Nutrients ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 295
Author(s):  
Perez-Hernandez ◽  
Nugraheni ◽  
Benohoud ◽  
Sun ◽  
Hernández-Álvarez ◽  
...  
Keyword(s):  
Phaseolus Vulgaris ◽  
Cell Model ◽  
In Vitro Digestion ◽  
Enzymatic Digestion ◽  
Mrna Levels ◽  
Starch Digestion ◽  
Granule Structure ◽  
Domestic Processing ◽  
Anti Inflammatory

The consumption of beans has been associated with chronic disease prevention which may be attributed to the polyphenols present in the seed coat and endosperm. However, their bioaccessibility is likely to be limited by interactions with bean matrix components, including starch, protein and fibre. The aim of this project was to evaluate the effect of domestic processing and enzymatic digestion on the bioaccessibility of polyphenols from Borlotti beans (Phaseolus vulgaris) and to test their anti-inflammatory properties in a macrophage cell model. In vitro digestion of cooked beans released twenty times more polyphenols (40.4 ± 2.5 mg gallic acid equivalents (GAE)/g) than domestic processing (2.22 ± 0.1 mg GAE/g), with starch digestion contributing to the highest release (30.9 ± 0.75 mg GAE/g). Fluorescence microscopy visualization of isolated bean starch suggests that polyphenols are embedded within the granule structure. LC-MS analysis showed that cooked Borlotti bean contain flavonoids, flavones and hydroxycinnamic acids, and cooked bean extracts exerted moderate anti-inflammatory effects by decreasing mRNA levels of IL1β and iNOS by 25% and 40%, respectively. In conclusion, the bioaccessibility of bean polyphenols is strongly enhanced by starch digestion. These polyphenols may contribute to the health benefits associated with bean consumption.

Bioavailability of β-carotene isomers from raw and cooked carrots using an in vitro digestion model coupled with a human intestinal Caco-2 cell model

2010 ◽  
Vol 43 (5) ◽  
pp. 1449-1454 ◽  
Author(s):  
S. Aisling Aherne ◽  
Trevor Daly ◽  
Marvin A. Jiwan ◽  
Laurie O’Sullivan ◽  
Nora M. O’Brien
Keyword(s):  
Cell Model ◽  
In Vitro Digestion ◽  
Β Carotene

The Effect of Calcium Salts, Ascorbic Acid and Peptic pH on Calcium, Zinc and Iron Bioavailabilities from Fortified Human Milk using an in vitro Digestion/Caco-2 Cell Model

2005 ◽  
Vol 75 (3) ◽  
pp. 171-178 ◽  
Author(s):  
Etcheverry ◽  
Wallingford ◽  
Miller ◽  
Glahn
Keyword(s):  
Ascorbic Acid ◽  
Human Milk ◽  
Cell Model ◽  
In Vitro Digestion ◽  
Zinc Uptake ◽  
Cell Uptake ◽  
Whey Protein Concentrate ◽  
Calcium Salts ◽  
Peptic Digestion

The calcium, zinc, and iron bioavailabilities of human milk with commercial and noncommercial human milk fortifiers (HMFs) were evaluated under a variety of conditions: peptic digestion at pH 2 and pH 4, supplementation of ascorbic acid, and addition of three calcium salts. The noncommercial HMFs consisted of casein phosphopeptides (CPPs), alpha-lactalbumin, colostrum, and hydrolyzed whey protein concentrate (WPC). They were mixed with human milk (HM) and calcium, zinc, and iron were added. Ascorbic acid (AA) was added in certain studies. The commercial HMFs were Nestlé FM-85, Similac HMF (SHMF), and Enfamil HMF (EHMF). All HMFs were compared to S-26/SMA HMF. Results showed that the peptic pH (2 vs. 4) had no effect on mineral bioavailability. Addition of different calcium salts had no effect on calcium cell uptake and cell ferritin levels (an indicator of iron uptake), however, the addition of calcium glycerophosphate/gluconate increased zinc uptake by Caco-2 cells. Addition of AA significantly increased ferritin levels, with no effect on calcium or zinc uptake. Among the commercial HMFs, FM-85 was significantly lower in zinc uptake than S-26/SMA, and HM+EHMF was significantly higher than HM+S-26/SMA. Cell ferritin levels were significantly higher for HM+S-26/SMA than for all other commercial fortifiers. None of the commercial HMFs were different from HM+S-26/SMA in calcium uptake.

Aronia ( Aronia melanocarpa ) phenolics bioavailability in a combined in vitro digestion/Caco-2 cell model is structure and colon region dependent

2017 ◽  
Vol 38 ◽  
pp. 128-139 ◽  
Author(s):  
Ting Wu ◽  
Charlotte Grootaert ◽  
Stefan Voorspoels ◽  
Griet Jacobs ◽  
Judit Pitart ◽  
...  
Keyword(s):  
Cell Model ◽  
In Vitro Digestion ◽  
Aronia Melanocarpa
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