Processed Pearl Millet Improves the Morphology and Gut Microbiota in Wistar Rats Jaqueline Maciel Vieira Theodoro, Lucimar Aguiar da Silva, Vinícius Parzanini Brilhante de São José, Nathaniel Baldwin Willis, Renata Celi Lopes Toledo, et al. Foods, 2025 This study evaluated the effect of pearl millet subjected to different processing on the intestinal health of rats. The animals were fed a standard iron-free diet (28 days) (hemoglobin depletion: 8.65 + 1.40 g/dL of hemoglobin). Subsequently, they were divided into four groups for hemoglobin repletion (21 days): standard diet + ferrous sulfate (SD + FS); standard diet + non-germinated open-pan cooked millet flour (SD + NGOPCMF); standard diet + germinated open-pan cooked millet flour (SD + GOPCMF); and standard diet + extrusion-cooked millet flour (SD + ECMF). Hemoglobin level did not differ among groups. The SD + NGOPCMF, SD + GOPCMF and SD + ECMF groups demonstrated a higher Chao index in the microbiome and a higher number and area of goblet cells and longitudinal muscle layer width. The SD + NGOPCMF and SD + GOPCMF groups demonstrated increased cecum weight, crypt depth, crypt thickness, and circular muscle layer width; lower fecal pH; and a higher relative abundance of Bacteroidota, while the SD + FS group showed the highest abundance of Actinobacteriota. The SD + GOPCMF group stood out for showing the lowest fecal pH, better α-diversity (Chao and Shannon index), and the highest width of the longitudinal muscle layer. In conclusion, pearl millet subjected to different processing, mainly germination, has the potential to improve the composition of the intestinal microbiota and the intestinal morphology in rats induced to iron deficiency.
Soybean Flour Fortified with Gryllus assimilis Powder to Increase Iron Bioavailability Improves Gut Health and Oxidative Balance In Vivo Michele Lílian da Fonseca Barnabé, Laura Célia de Oliveira Souza Vicente, Karina Vitoria Cipriana Martins, Gabrieli Fernandes Lacerda, Elias Rodrigues, et al. Nutrients, 2025 Background: Insects like Gryllus assimilis have an excellent nutritional profile, including iron. However, the bioavailability of this iron and its effects on intestinal health and oxidative balance remain unclear. To enhance acceptance, insects can be used in powder form and combined with common flours. Objective: This study evaluates the effects of Gryllus assimilis powder, alone or with soy flour, on iron bioavailability, intestinal health, and oxidative balance in rodents. Methods: Using the hemoglobin depletion/repletion method, 32 male Wistar rats were divided into four groups: A (standard diet + ferrous sulfate), B (diet + Gryllus assimilis + soy flour), C (diet + Gryllus assimilis), and D (diet + soy flour). Hemoglobin levels, regeneration efficiency, biological value, serum markers, intestinal health, and oxidative balance were assessed. Results: Food intake, weight gain, and bioavailability measures showed no differences. However, the Gryllus + soy group showed higher weekly and final hemoglobin levels than Gryllus alone. This combination also improved acetic acid levels, fecal moisture, and oxidative balance, increasing superoxide dismutase activity while reducing peroxidation products compared to Gryllus alone. Conclusion: These findings highlight the potential benefits of combining Gryllus assimilis with soy flour for iron bioavailability and overall health.
Effects of a Sorghum Beverage with Lacticaseibacillus paracasei on Body Composition, Lipid Profiles, and Intestinal Health in Overweight and Obese Adults: A Randomized Single-Blind Pilot Study Lucimar Aguiar da Silva, Vinícius Parzanini Brilhante de São José, Larissa Arruda Rodrigues, Pietra Vidal Cardoso do Prado, Renata Celi Lopes Toledo, et al. Foods, 2024 (1) Background: This study aimed to evaluate the effect of an extruded whole-grain sorghum beverage containing L. paracasei on body composition, lipid profiles, and intestinal health in overweight and obese adults. (2) Methods: A chronic, single-blind randomized controlled pilot study was conducted with 30 volunteers allocated to three groups (n = 10/group): extruded sorghum beverage (ESB), extruded sorghum beverage with L. paracasei (ESPB), and control beverage (CB) (waxy maize starch). The chemical composition of the beverages was analyzed. Volunteers consumed the beverages for ten weeks at breakfast, along with individual dietary prescriptions. Body composition, biochemical markers, gastrointestinal symptoms, stool consistency, intestinal permeability, short-chain fatty acids, fecal pH, and stool L. paracasei DNA concentration were analyzed at the beginning and end of the intervention period. (3) Results: The ESB showed better composition than the CB, particularly in terms of resistant starch content, total phenolic compounds, condensed tannins, and antioxidant capacity. Both the ESB and the ESPB had an effect on body composition (estimated total visceral fat and waist volume), biochemical markers (Castelli index I), and intestinal health (Bristol scale, diarrhea score, valeric acid, and L. paracasei DNA concentration). No changes were observed in the CB group after the intervention. (4) Conclusions: Whole-grain sorghum beverages demonstrated good nutritional value, and consumption of these beverages, with or without L. paracasei, provided health benefits, including improvements in body composition, Castelli index I scores, and intestinal health, in overweight and obese adults.
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Effects of acute consumption of a beverage based on extruded whole-grain pearl millet flour on glycemic and insulinemic control, food intake, and appetite sensation in … TLS Magalhães, AM Machado, LA da Silva, VPB de São José, HG Lúcio, ... Nutrition 126, 112506 , 2024 2024 Citations: 6
Effects of a Sorghum Beverage with Lacticaseibacillus paracasei on Body Composition, Lipid Profiles, and Intestinal Health in Overweight and Obese Adults: A … LA da Silva, VPB de São José, LA Rodrigues, PVC do Prado, RCL Toledo, ... Foods 13 (19), 3128 , 2024 2024 Citations: 10
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