This study was conducted to investigate the hepatoprotective effects of fermented Smilax china leaf ethylacetate extracts by Aspergillus oryzae on carbon tetrachloride-induced liver injury in mice. Experimental mice were divided into four groups (five mice/group) (NC; normal control group, CB; basic diet supplemented before $CCl_4$ treatment group, NS ; basic diet mixed with 0.5% Smilax china leaf ethyl acetate extract supplemented before $CCl_4$ treatment group, FS; basic diet mixed with 0.5% fermented Smilax china leaf ethyl acetate extract supplemented before $CCl_4$ treatment group) fed for 4 weeks each. In the $CCl_4$-treated groups (CB, NS and FS) compared with the NC group, liver weights, activities of alanine aminotransferase, aspartate aminotransferase, xanthine oxidase and aldehyde oxidase, contents of triglycerides, total cholesterol and LDL-cholesterol in serum, and hepatic lipid peroxide levels increased, whereas body weight gain and contents of glutathione and HDL-cholesterol decreased. Furthermore, in the FS groups compared with the NS and CB groups, increased or decreased indicators by $CCl_4$ treatment significantly decreased or increased, respectively. This study suggests that fermented Smilax china L. leaf extracts may regulate xanthine oxidase and aldehyde oxidase inhibitory activities and hepatoprotective effects due to flavonoid aglycone derived from its glycoside in leaves of Smilax china by fermentation of A. oryzae.
The purpose of this research was to investigate the effects of 10%(w/w) of various dietary fiber, pectin(P), lignin(L), cellulose(C) and fiber-free (F) on lipid content of serum, liver and intestinal tissues in rats fed 10% coix oil (C)-or lard(L)-1% cholesterol diets for four weeks. The lard pectin(LP) group was the lowest In body weight gain and feed intake. Liver weight was not affected by dietary fiber and fat sources, and intestinal weight was higher in pectin(CP, LP) groups than in the other groups. Serum cholesterol was significantly lower in pectin(CP, LP) groups than in fiber-free(CF, LF) groups, and was higher in lard fiber-free(LF) than In the other groups(p<0.05). Serum triglycerides was significantly lower in coix oil pectin(CP) and lignin(CL, LL) than in fiber-free(CF, LF) groups. Liver total lipid and cholesterol content was significantly lower In pectin than In lard fiber-free group, and liver triglycerides was lower in coix oil pectin(CP) than in fiber-free groups (p<0.05). Lipid content of intestinal tissue was not affected by dietary fiber source. But total lipid and triglyceride content of intestinal tissues was significantly lower, and cholesterol content was higher in coix oil than in lard group(p<0.05). These results indicate that pectin and lignin reduced serum cholesterol. Pectin also decreased total lipid, cholesterol and triglyceride contents of liver in rats fed either coix oil-or lard-cholesterol diets whereas lignin did not affect liver lipid content.
The purpose of this study is to investigate the characteristics of the doughs and noodles cooked with the pea starch-wheat composite flour which was substituted with 20% and 30% of pea starch for the flour by the mechanical and sensory evaluation. Wheat dough had the most cohesive property among various composite non.(p<0.05) There was no significant differences in weight gain after cooking among various noodles. The more the pea starch was subsituted, the lighter the color was shown by increasing L value. It was also noted that the b value was decreased significantly. While pea starch noodle were more transparent in appearance and less smooth in the texture, corn starch-wheat composite flour noodle was sorter in the texture significantly. There was no significant difference on the hardness between wheat and pea stach composite flour noodles. There were also no significant differences in stickiness, chewiness and overall acceptability among various noodles. Considering mechanical and sensory results, the composite flour with 20% substitution of pea starch for flour was more suitable for the production of the noodle than those of 30% substitution of pea starch.
Bae, Jun-Young;Han, Kyung-Min;Lee, Jun-Ho;Kim, Sang-Eun;Lee, Jeong-Yeol;Bai, Sung-Chul C.
Journal of Aquaculture
/
v.21
no.1
/
pp.26-33
/
2008
This study investigated the synergistic effects of dietary supplementation of quartz porphyry(QP) and a laboratory developed feed stimulants, BAISM(BS) on growth performance and utilization as the additives for juvenile eel Anguilla japonica. Six isoenergetic experimental diets(18.2 kJ/g) were formulated to contain 50% crude protein, 15% lipid with or without dietary QP(Song-Gang stone, Davistone, Korea) and BS supplementation. QP and BS were provided at 0% in the control diet($Q_0B_0$) and at 0.7% QP+0% BS($Q_{0.7}B_0$), 0.7% QP+0.3% BS($Q_{0.7}B_{0.3}$), 0.7% QP+0.5% BS($Q_{0.7}B_{0.5}$), 0.7% QP+0.75% BS($Q_{0.7}B_{0.75}$) and 0.7% QP+1.0% BS($Q_{0.7}B_{1.0}$) in experimental diets on dry matter basis. After four weeks of adaptation, triplicate groups of 30 fish initially averaging $15{\pm}0.1g(mean{\pm}SD)$ were randomly distributed into each aquarium, and they were fed one of the experimental diets for 8 weeks. By the end of the feeding trial, weight gain(%), specific growth rate(%), feed efficiency(%) and protein efficiency ratio of fish fed diet $Q_{0.7}B_{0.5},\;Q_{0.7}B_{0.75}\;and\;Q_{0.7}B_{1.0}$, were significantly higher(P<0.05) than those of fish fed the other diets. But, $Q_{0.7}B_{0.5},\;Q_{0.7}B_{0.75}\;and\;Q_{0.7}B_{1.0}$ were no significant differences(P<0.05). In challenge test, fish were infected by intraperitoneal injection of 0.1 mL bacterial suspension with Edwardsiella tarda per fish after the feeding trial. As a result, fish fed QP and BS supplemented diets have a significantly higher cumulative survival rate than those of fish fed control diet(P<0.05). In conclusion, these results indicated that the optimum dietary supplementation level of QP and BS could be approximately 0.7% quartz porphyry+0.5% BAISM($Q_{0.7}B_{0.5}$) of diet based on WG, FER, SGR, PER, cumulative survival rate in juvenile eel A. japonica.
Kwon, O.S.;Cho, J. H.;Min, B. J.;Kim, H. J.;Chen, Y. G.;Yoo, J. S.;Kim, I. H.;La, J. C.;Park, H. K.
Food Science of Animal Resources
/
v.25
no.3
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pp.316-321
/
2005
A total of ninety six pigs ($L{\times}Y{\times}D$, 20.92(2.13kg average initial body weight) were used in a 16-week performance growth assay to determine the effect of supplemental medicinal plane (Artemisia, Acanthopanax and Garlic) on growth performance, IGF-1 of serum and carcass characteristics in finishing pigs. The dietary treatments were included 1) CON (basal diet; Control), 2) MP1 (basal diet added $0.02\%$ of medicinal plant mixtures), 3) MP2 (basal diet added $0.04\%$ of medicinal plant mixtures) and 4) MP3 (basal diet added $0.06\%$ of medicinal plant mixtures). Through entire experimental period, as medicinal plants mixture (MP) increased, there was a decrease (linear, P<0.08) in average daily feed intake and an increase (linear, P<0.02; quadratic, P<0.08) in gain/feed. The backfat thickness tended to decrease in pigs fed MP diet compared to pigs fed CON diet (linear, P<0.09; quadratic, P<0.01). Increasing medicinal plane mixture tended to increase in IGF-1 content in serum (linear, P<0.09). The hunter $a^{*}$ (redness) (linear, P<0.01) and $b^{*}$ (yellowness) (linear, P<0.02) values of longissimus muscle were affected by the dietary MP treatments. The color of longissimus muscle was higher in the dietary MP treatments than that of the muscle in the control diet (linear, P<0.03). In conclusion, the result obtained from this feeding triad suggest that the medicinal plants mixture supplementation below $0.06\%$ in diets for growing-finishing pigs can be improved growth performance, IGF-1 and meat quality.
A feeding trial was carried out to evaluate the effects of feeding Lactobacillus reuteri culture(LRC) on the performance, nutrients digestibility, intestinal microflora, serum metabolites, ammonia generation and litter dampness in broiler chicks. Four hundred eighty, one day old male chicks were fed into none, 0.1, 0.2 and 0.4% of LRC supplementation fer seven weeks. Basal diets excluded antibiotics contained ME 3,100, 3,100 kcal/kg, and CP 22.0, 20.0% for starter and grower, respectively. Weight gain of chicks fed LRC was significantly higher than no supplemental group in overall period(P<0.05). Feed intake was the highest in the 0.1% LRC, but not statistically different from other treatments. Feed conversion showed no significance among treatments. Viable Lactobacillus spp. number of chicks fed 0.2 and 0.4% LRC was significantly higher in cecum at seven weeks of age compared to the none(P<0.05). The tendency of anaerobes number was similar to Lactobacillus spp in ileum and cecum. Total number of E. coli and Salmonella were no difference in all treatments. In serum metabolites, feeding LRC increased triglyceride, and inorganic phosphorus, but no different total protein, albumin, total cholesterol, glucose, blood urea nitrogen and Ca. Nutrients digestibility improved significantly in 0.4% LRC compared to that of none(P<0.05). Fecal NH$_3$, gas generation was greatly decreased in the LRC supplemental groups(P<0.05). Moisture contents of bedding was also significantly decreased in LRC feeding group. It was concluded from the present study that feeding Lactobacillus reuteri culture improved the growth performance and nutrients digestibility of broiler chicks and minimize the fecal noxious gas emission.
Kim, Kyung-Ran;Jang, Mi-Jin;Choi, Sang-Won;Woo, Mi-Hee;Choi, Jeong-Hwa
Journal of the Korean Society of Food Science and Nutrition
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v.35
no.1
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pp.55-60
/
2006
This study was conducted to investigate the effects of water extract from enzymic-treated Salicornia herbacea (Hamcho) on lipid metabolism in rats fed high cholesterol diet. Experimental rats were divided into six groups which were composed of normal diet group, normal and $2\%$ Hamcho extract diet group, high cholesterol diet group, high cholesterol and $1\%,\;2\%\;and\;4\%$ Hamcho extracts diet groups. Body weight gain and food efficiency ratio (FER) of the high cholesterol diet group were significantly increased compared to the normal diet group, while those of the high cholesterol and Hamcho extracts diet groups were decreased compared to the high cholesterol diet group. Food intake was not significantly different among all experimental groups, The serum TG content of the high cholesterol diet group was significantly increased compared to the normal diet group, but that of the high cholesterol and extracts diet group was significantly decreased in dose-dependent concentration. The liver TG, total lipid and total cholesterol contents of the high cholesterol diet group were significantly increased compared to the normal diet group, while those of the high cholesterol and $2\%\;or\;4\%$ Hamcho extracts diet groups were significantly decreased compared to the high cholesterol diet group. The serum total cholesterol and LDL-cholesterol contents, and AI of the high cholesterol diet group were significantly increased compared to the normal diet group, while those of the high cholesterol and Hamcho extracts diet groups were decreased, and especially the high cholesterol and $4\%$ Hamcho extract diet group was significantly decreased compared to the high cholesterol diet group. Serum HDL-cholesterol contents of the high cholesterol diet group were significantly increased compared to the normal diet group. These results suggest that supplementation of water extract from enzymic-treated Salicornia herbacea may have a pronounced impact on lipid metabolism of serum and liver in the rats fed high cholesterol diet.
This experiment was conducted to investigate the effects of dietary supplementation with lutein-containing materials on meat quality and lutein accumulation in broiler tissue. Broilers were subjected to one of the following treatments: C, basal diet (BD); T1, BD + 2.223% lutein from spinach extracted by ethanol fermentation; T2, BD + 2% radish green powder; T3, BD + 0.61% spinach powder; and T4, BD + 1.83% spinach powder. The weight gain, feed intake, and feed conversion did not differ among treatments. An evaluation of the color of the chicken breast meat revealed that the CIE $L^*$ value of the control was significantly (p<0.05) lower than that of the other treatments, whereas T4 had a significantly (p<0.05) lower CIE $a^*$ value and a higher (p<0.05) CIE $b^*$ value than the other treatments. The lipid oxidation (thiobarbituric acid reaction substances, TBARS) value was not significant among treatments. The results of a high performance liquid chromatography analysis revealed that the lutein peak was present only in the T4 liver tissue. These results showed that spinach powder (T4) affected meat color (CIE $a^*$ and $b^*$) however, TBARS and lutein accumulation were not affected.
Journal of the Korea Organic Resources Recycling Association
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v.6
no.1
/
pp.75-85
/
1998
Algal meal (cell) was produced from the solution of dairy cow wastes by fermentation of ulothrix. sp. and chlorella sp. Raw wastes mainly feces were diluted with ground water to give dry matter concentration of 0.5 w/v of wastes in 20 l amounts of ten plastic containers. Each containers were covered with plastic nets and vinyl films to protect from the insects and rain. Algea cells were harvested every 3 to 5 days and dried by sunlight and artifitial heat. Dried cells were ground by a feed meal, and analyzed and tested for the chemical composition of dry cell, in vitro DM and protein digestibility and the safty of algae. Protein contents in algae meals, ulothrix (29.37%) and chlorella (29.24%) were similar. However, chlorella contained lower Neutral detergent fiber (5.92%) than ulothrix(20,76%), and higher ash (32.86%) and calcium (12.62%) than ulothrix (28.66% and 6.09%) (P<.01). Ulothrix protein had higher for essential amino acids; valine, isoleucine and phenylalanine, than chlorella (P<.05). Algal fats contained high saturated fatty acids, C16:0 and C18:0, for ulothrix and high unsaturated fatty acids, C18:1 and C18:2, for chlorella (P<.01). In vitro digestibility of. ulothrix tended to be higher for DM, but lower for protein than chlorella. The weight gain and survival percentage were higher for pond fishes (loaches, Misgurnus sp. ) fed diet added chlorella meal than diets added ulothrix meal and control diet (P<.05).
The present study was carried out to investigate the acute oral toxicity and anti-obesity effects of a diglyceride preparation containing conjugated linoleic acid (DG+CLA). To test its acute oral toxicity, the DG+CLA was injected into 30 rats (15 males and 15 females) at dosage of 2,000 mg/kg and 5,000 mg/kg. Mortality rates, clinical signs, and body weight changes were monitored for 14 days following administration. According to the results, the lethal dose ($LD_50$) of DG+CLA was determined as >5,000 mg/kg in both sexes. There were no significant changes in general conditions, clinical signs, body weight, and gross lesions between the vehicle control and DG+CLA groups. For the anti-obesity studies, obese Zucker rats were randomly divided into 4 groups and fed saline, soybean oil, diglyceride, and DG+CLA, respectively, for 8 weeks. The DG+CLA groups presented significant differences in body weight, food efficiency ratio, serum lipid levels, and fat weight. Overall, the results showed that the DG+CLA did not have acute oral toxicity and reduced body weight, serum lipid levels, and fat gain.
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