Cho, Hye Jin;Im, Jun Su;Kwon, Yong Sam;Kang, Kyung Soo;Kim, Tae Min
Journal of Animal Reproduction and Biotechnology
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v.37
no.1
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pp.27-33
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2022
Functional dyspepsia (FD) is a gastrointestinal disorder with diverse symptoms but no structural or organic manifestations. Benachio-F® (herein named 'BF-1') is an over-the-counter liquid digestive formulated with multiple herbal extracts, which has been reported to improve symptoms of FD. A total two experiments were conducted. First, we examined whether BF-1 can modulate the progression of FD through two experimental rat models. A total of three doses (0.3x, 1x, 3x of the human equivalent dose) were used. In the gastric emptying model, both 1x (standard) or 3x (3-fold-concentrated) BF-1 enhanced gastric emptying was compared with that of vehicle-treated animals. In a feeding inhibition model induced by acute restraint stress, treatment with 1x or 3x BF-1 led to a similar degree of restoration in food intake that was comparable to that of acotiamide-treated animals. Among the constituents of BF, fennel is known for its choleretic effect. Thus, we next investigated whether a novel BF-based formula (named 'BF-2') that contains an increased amount of fennel extract (3.5-fold over BF-1), has greater potency in increasing bile flow. BF-2 showed a superior choleretic effect compared to BF-1. Furthermore, the postprandial concentration of serum secretin was higher in animals pretreated with BF-2 than in those pretreated with BF-1, suggesting that the increased choleretic effect of BF-2 is related to secretin production. Our results demonstrate that BF-1 can modulate the pathophysiological mechanisms of FD by exerting prokinetic and stress-relieving effects, and that BF-2 has a better choleretic effect than BF-1.
Background: Fluralaner is a novel drug belonging to the isoxazoline class that acts on external parasites of domestic animals. It is used systemically via drinking water, especially against red poultry mite in layer chickens. Fluralaner is frequently used in layers infected with D. gallinae. However, no study to date has investigated the effects of feed intake and water hardness. Objectives: This study aimed to investigate the effects of variable water hardness and feed intake on the pharmacokinetic profile of fluralaner. Methods: Layer chickens were divided into four groups (n = 8): fed + purified water (Group 1), feed restricted + purified water (Group 2), feed restricted + hard water (Group 3), and feed restricted + soft water (Group 4). After administering a single dose of the drug with drinking water, the blood samples were collected for 21 days. Fluralaner concentrations in plasma samples were determined by liquid chromatography/tandem mass spectrometry. The maximum plasma concentration (Cmax), time to reach maximum plasma concentration (tmax), area under the concentration-time curve values (AUC0-21d), half-life (t1/2), and other pharmacokinetic parameters were calculated. Results: Although the highest maximum plasma concentration (Cmax) was determined in Group 1 (fed + purified water), no statistically significant difference was found in the Cmax, tmax, t1/2, MRT0-inf_obs, Vz/Fobs, and Cl/F_obs parameters between the experimental groups. Conclusions: It was concluded that the feed intake or water hardness did not change the pharmacokinetic profile of fluralaner in layer chickens. Therefore, fluralaner could be used before or after feeding with the varying water hardness in poultry industry.
Objective: Cow urine possesses several bioactive properties but the responsible components behind these bioactivities are still far from identified. In our study, we tried to identify the possible components behind the antimicrobial activity of cow urine by exploring the peptidome and metabolome. Methods: We extracted peptides from the urine of Sahiwal cows belonging to three different physiological states viz heifer, lactation, and pregnant, each group consisting of 10 different animals. The peptides were extracted using the solid phase extraction technique followed by further extraction using ethyl acetate. The antimicrobial activity of the aqueous extract was evaluated against different pathogenic strains like Staphylococcus aureus, Escherichia coli, and Streptococcus agalactiae. The safety of urinary aqueous extract was evaluated by hemolysis and cytotoxicity assay on the BuMEC cell line. The urinary peptides were further fractionated using high-performance liquid chromatography (HPLC) to identify the fraction(s) containing the antimicrobial activity. The HPLC fractions and ethyl acetate extract were analyzed using nLC-MS/MS for the identification of the peptides and metabolites. Results: A total of three fractions were identified with antimicrobial activity, and nLC-MS/MS analysis of fractions resulted in the identification of 511 sequences. While 46 compounds were identified in the metabolite profiling of organic extract. The urinary aqueous extract showed significant activity against E. coli as compared to S. aureus and S. agalactiae and was relatively safe against mammalian cells. Conclusion: The antimicrobial activity of cow urine is a consequence of the feeding habit. The metabolites of plant origin with several bioactivities are eliminated through urine and are responsible for their antimicrobial nature. Secondly, the plethora of peptides generated from the activity of endogenous proteases on protein shed from different parts of tissues also find their way to urine. Some of these sequences possess antimicrobial activity due to their amino acid composition.
Zhenglei Shen;Chuxin Liu;Chuangye Deng;Qiuping Guo;Fengna Li;Qingwu W. Shen
Animal Bioscience
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v.37
no.4
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pp.697-708
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2024
Objective: The objective of this study was to investigate the influence of dietary supplementation of Eucommia ulmoides leaf extract (ELE) on muscle metabolism and meat quality of pigs with and without pre-slaughter transportation. Methods: In a 43-day feeding experiment, a total of 160 pigs with an initial body weight 60.00±2.00 kg were randomly assigned into four groups in a completely randomized design with 10 replicates. Pigs in groups A and C were fed a basal diet and pigs in groups B and D were fed a basal diet supplemented with 0.5% ELE. Pigs were slaughtered with (group B and D) or without (group A and C) pre-slaughter transport. Muscle chemical composition, postmortem glycolysis, meat quality and muscle metabolome were analyzed. Results: Dietary ELE supplementation had no effect on the proximate composition of porcine muscle, but increased free phenylalanine, proline, citruline, norvaline, and the total free amino acids in muscle. In addition, dietary ELE increased decanoic acid and eicosapentaenoic acid, but decreased heptadecanoic acid, oleic acid, trans-oleic acid, and monounsaturated fatty acids in muscle. Meat quality measurement demonstrated that ELE improved meat water holding capacity and eliminated the negative effects of pre-slaughter transport on meat cooking yield and tenderness. Dietary ELE reduced muscle glycolytic potential, inhibited glycolysis and muscle pH decline in the postmortem conversion of muscle to meat and increased the activity of citrate synthase in muscle. Metabolomics analysis by liquid chromatographic tandem mass spectrometric showed that ELE enhanced muscle energy level, regulated AMP-activated protein kinase (AMPK) signaling, modulated glycogenolysis/glycolysis, and altered the metabolism of carbohydrate, fatty acids, ketone bodies, amino acids, purine, and pyrimidine. Conclusion: Dietary ELE improved meat quality and alleviated the negative effect of pre-slaughter transport on meat quality by enhancing muscle oxidative metabolism capacity and inhibiting glycolysis in postmortem muscle, which is probably involved its regulation of AMPK.
This study was conducted to introduce recycling procedures of food waste(FW) as feed according to the dehydration, semi-dehydration fermentation and liquid fermentation methods through the on-site survey of companies related, to trace physico-chemical components and nutritional losses depending upon the processing stage for each method and finally to suggest more desirable methodology for the efficient utilization of FW as animal feed. For the dehydration method, dewatering of FW alone reduced(P<0.05) moisture(approximately 10%) and ether extract contents and increased(P<0.05) fiber contents. Dewatering and subsequent dehydration of FW decreased(P<0.05) contents of ether extract, limiting amino acids such as lysine, methionine and histidine, pepsin digestibility of protein by half, and NaCl content by 40%, increased(P<0.05) contents of fiber, crude ash, Ca and P, and did not alter(P>0.05) pH. The semi-dehydration fermentation method of FW did not affect(P>0.05) the chemical components, pepsin digestibility of protein, pH and NaCl content. For the liquid fermentation method, pasteurization and fermentation of FW decreased(P<0.05) contents of dry matter, ether extract, crude fiber, lysine and NaCl; however, it did not affect(P>0.05) other chemical components, pepsin digestibility of protein and pH. Among the processing methods, nutrient losses were highest for the dehydration method(25% of metabolizable energy loss, 12% of organic matter loss) and little for the semi-dehydration and liquid fermentation methods. The on-site survey of companies related revealed that the existence of foreign materials in FW products were problematic for all the three companies surveyed, thus it was necessary to develop a more efficient screener. Before feeding FW-containing diets to pigs, high quality of protein and energy feedstuffs needed to be fortified for the dehydration method. For the semi-dehydration fermentation method, the scientific diet formulation technology was required at the initial mixing stage. For the liquid fermentation method, possibly most energetic and proteinaceous feeds needed to be supplemented for the normal animal growth.
Journal of the Korean Society of Food Science and Nutrition
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v.24
no.6
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pp.848-858
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1995
The present study was conducted to investigate the effect of dietary vitamin A on the antioxidant status in ethanol-treated rats. Weaning rats were fed a basal diet until they reached about 160-180g body weight. Thereafter, four experimental groups were fed a liquid diet containing 36% ethanol of total calorie and four pair-fed groups were fed isocaloric sucorse instead of ethanol. Additionally, the liquid diet contained adequate amount of ${\beta}-carotene$, retinyl acetate, or 13-cis-retinoic acid except vitamin A deficient diet. The rats were sacrificed after 7 weeks of feedng periods. Significant decrease in hepatic vitamin E content was found in rats treated with chronic ethanol. However, dietary supplementation of retinyl acetate modified the change to some extent. Total vitamin C content of liver increased in vitamin A-deficient or ${\beta}-carotene$ groups with ethanol feeding. The ratio of reduced/oxidized vitamin C increased in the plasma and liver of ${\beta}-carotene$ group with ethanol feeding. Chronic ethanol intake did not change the total glutathione content of rat liver, but increased reduced glutathione(GSH)/oxidized glutathione(GSSG) ratio. This increase in hepatic GSH after chronic ethanol treatment. The changes of Se content in plasma and liver was not consistant. Fe content of liver increased by ethanol treatment, but this increase reduced in rats fed dietary retinyl acetate or 13-cis-retinoic acid. Fe content of plasma increased in vitamin A-deficient and ${\beta}-carotene$ supplemented groups with ethanol intake.
Purpose: Infantile constipation is one of the most common problems in pediatric gastrointestinal outpatient clinic. We planed to show the clinical feature of infantile constipation and explore the possible relationship between diets and symptoms of constipation. Methods: We analyzed the medical records and telephone questionnaire about infants under 2 years of age with constipation, who visited outpatient clinic of Department of Pediatrics, Ilsan Paik Hospital during the time from March 2002 to February 2005. Data including the symptoms and signs of constipation, diet history, and past-medical history were analyzed. Results: Total 96 infants, 40 male and 56 female, were enrolled in this study. The mean age was 9 months. Twenty-three infants were exclusively breast milk fed (BMF), 20 infants were cow's milk fed (CMF) and 53 infants had a history of mixed feeding with cow's milk and breast milk (MMF). Patients showed painful defecation (95.8%), abdominal distension (53.1%), palpable rectal stool (35.1%), hard stool (30.2%), blood-tinged stool (29.2%) and anal fissure (16.7%). Patients with exclusive cow milk feeding had prominent clinical features, such as anal fissure (p=0.03), hematochezia (p=0.04) and palpable rectal stool (p=0.025). Patients who had a history of larger intake of liquid food had a tendency to get anal skin tag (p<0.05). Conclusion: Exclusive breast milk feeding seemed important to avoid constipation with clinical significance. To educate caregivers in appropriate way of the weaning food may help the infants with constipation.
Two experiments were conducted to evaluate multi-microbe submerged liquid (SLF) and solid substrate (SSF) fermented probiotic products in broilers. The SLF and SSF probiotics were comprised of Lactobacillus acidophilus ($1.1{\times}10^9$ and $4{\times}10^8$ cfu/g), Bacillus subtilis ($1.1{\times}10^9$ and $4{\times}10^9$ cfu/g), Saccharomyces cerevisiae ($1.5{\times}10^7$ and $1.0{\times}10^4$ cfu/g) and Aspergillus oryzae ($2.6{\times}10^7$ and $4.3{\times}10^7$ cfu/g), respectively. In Exp. 1, 640 day-old Ross chicks were allotted to 4 treatments, each comprising 4 replicates (40 chicks/replicate). The basal diet was prepared without any antimicrobials (negative control, NC), and 20 mg/kg avilamycin (positive control, PC), 0.3% SLF and 0.3% SSF probiotics were added to the basal diets as treatments. Birds fed PC and SSF diets showed improved (p<0.001) overall weight gain and F/G than birds fed NC and SLF diets; whereas, birds fed SLF diet had better weight gain and F/G than birds fed NC diet. Retention of CP was higher (p<0.05) in birds fed the SSF diet than birds fed PC, SLF and NC diets. Birds fed the SLF diet tended to have higher (p<0.10) cecal total anaerobic bacteria than birds fed PC and NC diets; whereas, lesser cecal coliforms were noticed in birds fed PC, SLF and SSF diets than birds fed the NC diet. In Exp. 2, 640 day-old Ross chicks were randomly allotted to 4 treatments in a $2{\times}2$ factorial arrangement. Each treatment had 4 replicates (40 chicks/replicate). Two different multi-microbe probiotic products (0.3% SLF or SSF) each with two different antibiotics (10 mg/kg colistin, or 20 mg/kg avilamycin) were used as dietary treatments. Birds fed the SSF diet had greater weight gain (p<0.001), better F/G (p<0.05), greater retention of energy (p<0.001) and protein (p<0.05), and lesser cecal Clostridium (d 35) than birds fed SLF diet. Birds fed the colistin-supplemented diet had less (p<0.01) cecal coliforms when compared with birds fed the avilamycin diet. Additionally, birds fed the avilamycin diet had greater energy retention (p<0.05) than birds fed the colistin diet. Thus, the results of this study suggest the multi-microbe probiotic product prepared by a solid substrate fermentation method to be superior to the probiotic product prepared by submerged liquid fermentation; moreover, feeding of probiotics with different antibiotics did not elicit any interaction effect between probiotic and antibiotic.
This study was performed to investigate the effects of liquid culture of Agaricus blazei on the lipid metabolism and enzyme activities in growing male rats. Sprague-Dawley rats were given four different types of diets for a succeeding period of 5 weeks, respectively: a normal diet group (7% corn oil), a high fat diet group (7% com oil + 15% lard), a 20 or 30% Agaricus diet groups (high fat diet + 20 or 30% Agaricus in water) according to the levels of Agaricus supplementation. The body weight gains, food intake, food efficiency ratios, and hepatic, kidney, spleen and pancreas weights of the rats fed 20 or 30% Agaricus diets were similar to those of the rats fed high fat diet. The epididymal fat pad weight of the rats fed high fat diet and 20 or 30% Agaricus diets were significantly higher than that of the rats fed normal diet. The concentrations of serum triglyceride, total cholesterol, LDL-cholesterol and HDL-cholesterol, and the activity of glutamic pyruvic transaminase in the rats fed 30% Agaricus diet were significantly lower than those in the rats 114 high fat diet. But the concentrations of hepatic total cholesterol and triglyceride of rats fed the 20 or 30% Agaricus diets were similar to those of rats fed the high fat diet. The HDL-oholesterol/total-cholesterol ratio of the rat fed 30% Agaricus diet was significantly higher than that of the rats fed high fat diet, The activity of glutamic oxaloacetic transaminase in the rats fed 20 or 30% Agaricus diets were similar to those in the rats fed high fat diet. There were no differences in the concentrations of total protein, hemoglobin and glucose, and the activities of alkaline phosphatase, and the atherogenic index in the serum among the experimental groups. These results showed that the 30% Agaricus diet feeding decreased the total cholesterol, the triglyceride and the LDL-cholesterol, and increased the HDL-oholesterol/total cholesterol ratio in serum of rats.
The effect of liquid cultures of Cordyceps militaris (LCM) on weight gain, food intakes, food efficiency ratios, serum and hepatic lipids, fecal lipids excretion, serum protein and enzyme activities, were investigated in adult female rats (30 weeks old). Sprague-Dawley rats were assigned to one normal and four hyperlipidemic diet groups, Hyperlipidemic diet groups (20% fat, 1% cholesterol) were divided into high fat diet (LCM free water), 10%, 20% or 30% LCM diet groups (10%, 20% or 30% LCM in water) according to the levels of LCM supplementation. After 35 days of experimental diet consumption, the body weight gains, hepatic weights, and food efficiency ratios of the rats fed hyperlipidemic diets were significantly increased compared with those of the rats fed normal diet. The concentrations of serum and hepatic triglycerides, hepatic total lipid, and atherogenic index of the rats fed 20% or 30% LCM diets were significantly lower than those of the rats fed the high fat diet. The concentration of serum HDL-cholesterol of the rats fed all LCM diets was significantly higher than those of the rats fed the high fat diet. The fecal excretion of triglyceride in the rats fed 20% or 30% LCM diets was significantly higher than those of the rats fed high fat diet. The concentrations of serum and hepatic total cholesterol, serum LDL-cholesterol, and HDL-cholesterol/total cholesterol ratio, fecal excretion of cholesterol, and the activities of serum glutamic pyruvic transaminase and alkaline phosphatase of the rats fed all LCM diets were similar to those of the rats fed high fat diet. No differences were noted in the weights of kidney and femur, the serum concentration of glucose, total protein and albumin, and the activities of glutamic oxaloacetic transaminase and ${\gamma}$ -glutamyltranspeptidase, among the rats on all the experimental diets. These results showed that the 20% or 30% LCM diets feeding decreased the serum and hepatic triglycerides, and the atherogenic index, and increased the serum HDL-cholesterol of the adult female rats.
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