O consumo de farinha de taro (Colocasia esculenta) favorece a integridade óssea em ratos machos / Taro (Colocasia esculenta) flour intake enable bone integrity in male rats

Objetivo: A proposta deste estudo foi investigar a composição óssea em ratos tratados com dieta suplementada com farinha de taro (Colocasia esculenta) até eles completarem 90 dias de idade. Métodos: No momento do desmame, os ratos foram divididos em grupo controle (C, n = 11) e experimental (T, n = 12) ­ composto por animais tratados com farinha de taro até os 90 dias de idade. Ingestão alimentar, massa e comprimento corporal foram avaliados semanalmente ao longo de todo o período experimental. Dimensões ósseas, bem como a densidade mineral óssea (DMO), conteúdo mineral ósseo (CMO), área óssea total e propriedades biomecânicas foram determinadas no final de 90 dias. Resultados: Grupo T apresentou elevados valores (P<0.05) para massa e comprimento corporal; DMO, CMO e área óssea da coluna vertebral; DMO na quarta vértebra lombar; massa femoral, distância entre as epífises, largura do ponto médio da diáfise, DMO, força máxima e concentrações séricas de osteocalcina, quando comparado ao grupo controle. Conclusões: A ingestão da farinha de taro apresentou efeito positivo na saúde óssea. (AU)

Objective: This study aimed to investigate bone composition in male rats treated with diet supplemented with taro (Colocasia esculenta) flour until their 90 days. Methods: Weanling male rats were divided into control (C, n=11) and experimental group (T, n=12); the latter comprised animals treated with taro flour until their 90 days. Food intake, body mass and length were evaluated on a weekly basis throughout the experimental period. Spine bone dimension, as well as bone mineral density (BMD), mineral content (BMC), total area and biomechanical properties were determined after 90 days. Results: T group recorded higher values for (P<0.05) body mass and length; BMD, BMC and total spinal area; BMD of the fourth lumbar vertebra; femoral mass, distance between epiphysis, medial point of diaphysis width, BMD, maximum strength and osteocalcin concentrations than the control. Conclusion: Taro flour intake had positive effect on bone health. (AU)

Flaxseed flour, compared to flaxseed oil, contributes to femoral structure in male rats subjected to early weaning.

The aim of this study was to analyze whether flaxseed flour or flaxseed oil treatment contributes to femoral structure in male rats subjected to early weaning. Pups were weaned for separation from mothers at 14 days (early weaning, EW) or 21 days (control, C). After 21 days, the control (C60) was fed with the control diet. The EW group was divided based on control (EWC60), flaxseed flour (EWFF60) and flaxseed oil (EWFO60) diets until 60 days. Femoral dimension, bone mineral density (BMD), bone mineral content (BMC), area and biomechanical properties were determined. EWFO60 showed lower (P < 0.05) femur mass. EWC60 and EWFO60 showed lower (P < 0.05) distance between epiphyses, diaphysis width and BMD. BMC was lower (P < 0.05) in EWC60 (vs. C60 and EWFF60). EWC60 and EWFO60 showed lower (P < 0.05) maximum force (vs. C60). Breaking strength was lower (P < 0.05) in EWFO60 (vs. C60). EWFF60 showed higher (P < 0.05) rigidity. Flaxseed flour abbreviated the femoral fragility secondary to early weaning.

Effects of diet containing flaxseed flour (Linum usitatissimum) on body adiposity and bone health in young male rats.

Flaxseed flour has been described as an excellent alpha-linolenic acid source. This study was designed to evaluate the effects of flaxseed flour on body adiposity and bone health in rats fed a flaxseed flour diet during lactation until 90 days. At birth, male Wistar rats were randomly assigned to control (C) and experimental (FF) groups, whose dams were treated with a control or flaxseed flour diet, respectively, during lactation. At 21 days, pups were weaned and fed a control and experimental diet until 90 days. Food intake, body mass and length were evaluated during a 21-90 day period. At 90 days, composition by dual-energy X-ray absorptiometry, serum hormonal profile, intra-abdominal fat mass, and lumbar vertebra and femur analyses was determined. Differences were deemed significant at p < 0.05. The FF group displayed the following (P < 0.05): a higher total lean mass (+7%), a lower total (-16%) and intra-abdominal (-24%) fat mass, a smaller adipocyte area (-30%), a higher femoral mass (+5%), bone mineral density (+5%) and radiodensity (+20%), and a higher maximum force (+10%) and breaking strength (+11%). The flaxseed flour diet displayed functional properties related to body growth maintenance associated with a lower risk of developing metabolic alterations, obesity and bone fragility.

Serum and liver lipids distributions in streptozotocin induced diabetic rat treated with diet containing Yam (Dioscorea bulbifera) flour / Suero y hepáticas lípidos en ratas diabéticas tratados con dieta que contenía harina ñame (Dioscorea bulbifera)

Introduction: Liver disease as a major cause of mortality in patients with diabetes mellitus. There is a interest to investigate the hypolipidemic properties of yam. The goal was assess the role of Brazilian yam (Dioscorea bulbifera) on serum and hepatic levels of triglycerides and cholesterol, in female diabetic rats. Methods: The rats were divided into three groups: Control (C), Diabetic (DM); Diabetic Yam (DMY), treated with diet containing 25g/100g of yam flour. After 5 weeks of experiment, glucose, insulin, gonadal fat and liver mass were evaluated. Serum and liver concentrations of triglycerides and cholesterol concentrations were quantified. Total liver thiols were determined. Results: After the 5 weeks, experimental groups shower (P < 0.05): Lower body mass; lower serum insulin; higher food intake and higher blood glucose concentration. DMY (vs. DM) group showed (P < 0.05): Lower blood glucose; higher gonadal fat mass; lower serum and hepatic triglycerides; higher hepatic cholesterol and thiols concentrations. DMY (vs. C) group showed: Similar serum and hepatic triglycerides and hepatic thiols. Conclusions: Brazilian yam (Dioscorea bulbifera) alleviated the consequences of the experimental diabetic disease, suggesting protection to hypertriglyceridemia and lipid peroxidation (AU)

Introducción: La enfermedad hepática como una de las principales causas de mortalidad en los pacientes con diabetes mellitus. Hay un interés para investigar las propiedades hipolipemiantes de ñame. El objetivo era evaluar el papel de ñame brasileña (Dioscorea bulbifera) en suero y los niveles hepáticos de triglicéridos y colesterol, en las ratas diabéticas . Métodos: Las ratas se dividieron en tres grupos: control (C), diabéticos (DM); Diabetic ñame (DMA), se trata con dieta que contenía 25 g / 100 g de harina de ñame. Después de 5 semanas de experimento, la glucosa, la insulina, la grasa gonadal y la masa del hígado fueron evaluados. Se cuantificaron las concentraciones de suero e hígado de los triglicéridos y las concentraciones de colesterol. Se determinaron los tioles totales de hígado. Resultados: Después de las 5 semanas, experimental ducha grupos (p < 0.05) : la masa corporal inferior; insulina sérica inferior; más alta la ingesta de alimentos y una mayor concentración de glucosa en sangre. DMY (vs. DM) grupo mostró (P < 0.05) : Baje la glucosa en sangre; masa grasa gonadal superior; inferior y triglicéridos séricos hepáticas; más altos de colesterol y tioles concentraciones hepáticas. DMY (vs. C) grupo mostró: suero similares y triglicéridos hepáticos y tioles hepáticas. Conclusiones: Ñame brasileño (Dioscorea bulbifera) alivian las consecuencias de la enfermedad diabética experimental, lo que sugiere protección para la hipertrigliceridemia y la peroxidación lipídica (AU)

Assessments of body composition and bone parameters of lactating rats treated with diet containing flaxseed meal (Linum usitatissinum) during post-weaning period / Evaluaciones de composición corporal y parámetros óseos en ratas lactantes tratadas con dietas a base de linaza (Linum usitatissinum) durante el periodo de destete

Introduction: There are few studies on body composition and the effects of diet on weight postpartum women. The aim was to evaluate the body composition and bone parameters in lactating rats treated with diet containing flaxseed flour during postweaning period. Methods: After weaning, the lactating rat were divided in control (n = 6) and experimental (F, n = 6) group, treated with 25% flaxseed flour diet. After 30 days, body composition by dual-energy X-ray absorptiometry, serum analysis, organs and intra-abdominal fat mass, femur and lumbar vertebra parameters were determined. Results: The groups showed similar food intake, body mass and bone parameters. While F group showed the following: lower body (-5%), gonadal (-17%), mesenteric (-23%) and intra-abdominal (-6%) fat mass. Increase of HDL-cholesterol (+10%) and lower glucose (-15%), triglycerides (P < 0.05, -37%) and cholesterol (P < 0.05, -21%). Conclusions: The findings highlight the effects of flaxseed for control of adiposity and to maintain a healthy biochemical profile during the postnatal period (AU)

Introducción: Hay pocos estudios sobre la composición corporal y los efectos de la dieta en mujeres en el periodo postparto. El objetivo consistió en evaluar la composición corporal y los parámetros óseos en ratas lactantes tratadas con dietas a base de linaza durante el periodo de destete. Métodos: Después del destete, las ratas lactantes fueron divididas en un grupo de control (n = 6) y un grupo experimental (F, n = 6), tratadas con una dieta a base de harina de lino al 25%. Al cabo de 30 días, se midieron los parámetros corporales mediante absorciometría de rayos X de doble energía, se realizó un análisis sérico, y se evaluó órganos y masa grasa intra-abdominal así como los parámetros en fémur y vértebras lumbares. Resultados: El grupo mostró una ingesta alimenticia similar, así como parámetros óseos y de masa corporal. Mientras que el grupo F mostró los porcentajes siguientes en masa grasa: parte inferior del cuerpo (-5%), gonadal (-17%), mesentérica (-23%) e intra-abdominal (-6%). Aumento de HDL-colesterol (+10%) y disminución de glucosa (-15%), triglicéridos (P < 0,05, -37%) y colesterol (P < 0,05, -21%). Conclusiones: Los resultados destacan los efectos del lino para el control de la adiposidad y para mantener un perfil bioquímico sano durante el periodo postnatal (AU)