The present study was conducted to investigate the effects of dietary supplemental dry powder of Rehmannia radix (RR) root on the growth performance and physiological status of broiler chicks. The treatments consisted of corn-soybean meal control diet, and RR 0.5, 1, and 2% diets. A total of 160 Arbor Acre male broiler chicks were randomly allotted to 16 pens ; four pens per treatment and 10 birds per pen. The growth performance, feed intake and carcass weight did not show any differences among the treatment groups, but feed conversion was significantly lower (P< 0.05) in RR 1% group than that of the control group. The muscle color was lighter (P < 0.05) in RR lof group than those of the other treatment groups. The blood concentrations of protein, glutamic-oxaloacetic-transaminase (GOT) and glutamic- pyruvic-transaminase (GPT) were not different (P > 0.05) among the treatment groups, but the blood total cholesterol content was significantly decreased (P < 0.05) in RR 2% group than those the other treatment groups. The blood concentration of sugar was lower (P <0.05) in RR 2% group than those of the other treatment groups, and hemoglobin concentration was decreased (P <0.05) by addition RR. Crude fat content of thigh muscle was higher in RR 1% group than those of the other treatment groups, and bone hardness of broiler chicks fed RR was higher (P < 0.05) than that of the control group. The saturated fatty acid content of the thigh muscle tende to be high in control and RR 0.5% groups, and unsaturated fatty acid content tende to be high in RR 1 and 2% groups than those of the other treatment groups
Park, Guen-Hye;Jeon, Seung-Ho;Kim, Kyung-Moon;Chung, Jong-Il;Kim, Seok-Hyeon;Shim, Sang-In
Journal of agriculture & life science
/
v.45
no.4
/
pp.13-21
/
2011
"Manggaedduk" produced specially in Uiryeong province, Gyeongnam, Korea is manufactured by traditional method using rice powder, sweet azuki bean paste, and leaves of Smilax china (called as Manggae-leaf). Moisture content of leaves did not show significant differences bay salt and purified salt treatment. The content was lower as the salt concentration increased. Shear force was higher in leaf salted with purified salt at room temperature than that salted with bay salt. On the other hands, the force was more higher in the leaves salted with bay salt at low temperature ($4^{\circ}C$). The shear force was higher as the concentration of both salts used for salting solution increased. As storage period was extended, shear force of salted leaf was weakened. Whiteness (L) and yellowness (b) of leaves stored at room temperature were higher than those stored at $4^{\circ}C$, although the redness (a) of Hunter value was not significantly different between storage temperatures. Salt concentration influenced lightness and yellowness, color of salted leaves stored at $4^{\circ}C$ resulted in enhanced greenness as compared to the leaves stored at room temperature. Thus, this study investigated the optimal storage conditions, salting conditions and storage temperatures of Smilax china leaves.
Park, Young-Kyoung;Kim, Hee-Sun;Park, Hye-Young;Han, Gwi-Jung;Kim, Myung-Hwan
Food Engineering Progress
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v.15
no.3
/
pp.250-256
/
2011
This study was performed to analyze the quality characteristics of Sulgidduk added with different ratio 0, 10 and 15% (w/w) of apple pomace dietary fiber powder (DFP). Increasing DFP from 0% to 15% was decreased in color L* value from 87.9 to 65.9, while a* and b* values were increased from -1.9 to 5.9 and from 5.0 to 20.5, respectively. Scanning Electron Microscopy (SEM; ${\times}500$) showed that air cell size in the Sulgidduk surface increased as the DEP increased. On the other hand, control without DFP had a compact structure without air cell. Enthalpy by DSC showed that control without DFP, 10 and 20% DEP Sulgidduk after 3 days of storage were 4.83, 3.80 and 3.18 J/g at $4^{\circ}C$ and those of $25^{\circ}C$ were 1.14, 0.60 and 0.60 J/g, respectively. DEP had more effective on retarded retrogradation of Sulgidduk at $4^{\circ}C$ than that at $25^{\circ}C$. Hardness of 15% DEP Sulgidduk was around 42% compared to that of control without DFP after 3 days of storage at $4^{\circ}C$. In hedonic test, 15% DEP Sulgidduk showed the highest overall quality score among samples after making and storage 3 days at $4^{\circ}C$.
Naaz, Arjumand;Viquar, Uzma;Naikodi, Mohammad Abdul Rasheed;Siddiqui, Javed Inam;Zakir, Mohammad;Kazmi, Munawwar Husain;Minhajuddin, Ahmed
CELLMED
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v.11
no.4
/
pp.21.1-21.9
/
2021
Background: Unani System of Medicine (USM) has its origin to Greece. To ensure and develop the quality, authenticity of Unani drugs, standardization on modern analytical parameter is essential requirement for drugs. Objectives: The aimed of the present study was to develop a standard profile of "Qurṣ-e-Mafasil" by systematic study through authenticated ingredients, pharmacognostic identification followed by physicochemical, TLC, HPTLC fingerprinting analysis as per standard protocol. Material and Methods: In this study three batches of "Qurṣ-e-Mafasil" QM were prepared by standard method as per UPI had been followed by organoleptic properties of formulation such as appearance, color, odor, taste. Powder Microscopy and physicochemical studies were carried out such as Uniformity of weight, Friability, Disintegration time, hardness, LOD, ash vales and extractive values in like aqueous, alcohol & hexane. Further qualitative tests such as Thin-Layer Chromatography (TLC), and High-Performance Thin Layer Chromatography (HPTLC) studies were also carried out to develop fingerprint pattern of the alcoholic solvent extract of QM. Phytochemical screening was carried out in different solvent extracts such as alcoholic, aqueous and chloroform extracts to detect the presence phytoconstituents in the formulation QM. Heavy metals, Microbial Load Contamination and pesticidal residues were also determined. Results: Qurṣ-e-Mafasil showed tablet-like appearance, light brown colour, mild pungent odour and acrid taste. Uniformity of weight (mg), friability (rpm), and hardness (kg/cm) and disintegration time was ranged between (500 to 503), (0.0340 to 0.038), (8.40 to 8.67) and (4-5 minutes) respectively for the three batches. Loss in weight on drying at 105℃ was ranged between (8.3425 to 8.7346). Extracted values were calculated in distilled water ranged between (30.9091 to 31.4358), hexane (1.1419 to 1.4281), and alcohol (3.3352 to 3.3962). The ash values recorded were ranged between (3.7336 to 3.8378), and acid insoluble ash (0.5859 to 0.6112).
Journal of the Korea Organic Resources Recycling Association
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v.31
no.3
/
pp.35-41
/
2023
In this study, silicon sludge generated in semiconductor manufacturing process is recycled and applied as materials for pigments and paints. In detail, metallic impurities are removed from silicon sludge to obtain plate-like silicon sludge powder (SW-sludge), which is then coated with titanium dioxide via sol-gel method (TCS-sludge). SW-sludge and TCS-sludge are dispersed in hydrophilic transparent varnish and sprayed onto glass substrates to observe the possibility for the application as materials for pigments and paints. Notably, the applicability of TCS-sludge-based paint is improved compared to SW-sludge-based paint after the titanium dioxide coating. Moreover, the color of TCS-sludge-based paint turns into white. Accordingly, it is confirmed that the applicability and hydrophilicity are improved by the presence of outer titanium dioxide layer. In this regard, it is expected that the recycled TCS-sludge may be a future material for the application as pigments and paints.
The quality characteristics of muffins with different types of rice flour, such as soft flour (CON), soft rice flour (SRF), floury rice flour (FRF), and rice flour (RF) were assessed by using Image J program, which includes their particle size analysis, moisture content, pH, color, specific volume, baking loss rate, texture. (D[4, 3]) is weighted mean diameter, which is directly obtained in particle size measurements showed large values in the order of rice flour, floury rice flour, soft rice flour, and soft flour. The moisture content was high in the CON and SRF groups with small particle sizes. There was no significant difference in pH, L and b value. The a value was significantly low only in the RF group with large particle size. The smaller the particle size, the higher the specific volume and baking loss rate. Image J showed that the number of pores decreased when fewer smaller particles were the powder, but the pores were larger. Among the rice flours, the SRF group, excluding the CON group, scored high in all the acceptability elements. The results from this study can be used as basic data that can contribute to research on various rice-processed foods.
To reduce salt content and enhance calcium in chicken patty, shell calcium powder (SCP) was added, and transglutaminase (TG) was included to improve its properties. Five different treatments were prepared to assess the effects: CON (2% salt), T1 (0.75% salt + 0.2% SCP), T2 (0.75% salt + 0.2% SCP + 0.2% TG), T3 (0.5% salt + 0.4% SCP), and T4 (0.5% salt + 0.4% SCP + 0.2% TG). Reducing salt led to decreased ash content and increased cooking loss. The addition of SCP and TG raised pH levels. Meat color remained consistent with different salt, SCP, and TG levels. However, when salt was reduced to 0.5% and SCP was added at 0.4% without TG, the patty's hardness and chewiness decreased. Sensory evaluations showed reduced juiciness when salt was reduced to 0.5% and SCP was added at 0.4%, but no significant differences were observed in overall acceptability. Salt had no impact on TBARS results, but salt reduction to below 0.5% increased susceptibility to microbial contamination. In summary, reducing salt and adding SCP had minimal sensory impact, but when salt is reduced to 0.5% or lower, consider adding TG. Also, when decreasing salt, additional preservatives should be considered to address potential microbial contamination during manufacturing.
For the purpose of making a functional drinkable yoghurt, new types of drinkable yoghurts were prepared from skim milk added with 0.25% chlorella extract powder and 2.5-10.0% chlorella extract liquid. Quality characteristics of the drinkable yoghurts were evaluated in terms of quality-keeping property(pH, titratable acidity, number of viable cells) and sensory properties. When the drinkable yoghurts containing chlorella extract(0.25% chlorella powder and 2.5-10.0% chlorella extract liquid) were kept at 4$^{\circ}C$ and 20$^{\circ}C$ for 15days, the pH(pH 4.13-4.27), titratable acidity(0.66-0.75%) and number of viable cell counts of the lactic acid(8.42-8.89 log CFU/$m\ell$) were not significantly changed for all drinkable yoghurts during the storage at 4$^{\circ}C$ for 15days, but the pH(pH 3.53-3.56) and titratable acidity(1.30-1.37%) and number of viable cell counts(9.15-9.45 log CFU/$m\ell$) were markedly changed for the storage at 20$^{\circ}C$ for 15days. Therefor the keeping quality of the drinkable yoghurts with addition of chlorella extract was relatively good at 4$^{\circ}C$ for 15days. The results of sensory evaluation of the drinkable yoghurts containing chlorella extract indicated that color, chlorella taste, aftertaste and overall acceptability of the drinkable yoghurt with no addition of chlorella extract showed higher preference than others. And also sensory scores of the yoghurt added with 20% oligosaccharide were significantly higher than other groups in aftertaste and overall acceptability.
Red pepper paste were prepared by using various raw materials such as rice, glutinous rice, polished barley, polished wheat and corn powder, and their chemical compositions including reducing sugar, amino-N and ethanol were analyzed during the period of aging in order to elucidate effects of these starchy materials on the compositions and qualities of the products. The results obtained are summarized as follows: 1) Koji of these materials were manufactured respectively by inoculating a strain of Asporyzae and their activities of protease and saccharifying amylase were determined. Wheat koji was found to have the highest level of protease activity among the koji, while glutinous rice koji had the strongest amylase activity. 2) Contents of moisture, crude protein, crude fat, and sodium chloride in the red pepper pastes were not changed significantly, however total sugar content was decreased during the period of aging. 3) After 60 days of aging, the highest amount (160mg%) amino nitrogen was detected in the red pepper paste of polished wheat, but higher levels of reducing sugar and ethanol contents were detected in that of glutinous rice. 4) Amino acids in the products were analyzed after 60 days of aging: a) Total 17 amino acids were detected. b) Free amino acid ratio to total amino acid content was approximately 35 percent in average. c) Free glutamic acid was higher than any other free amino acid In the amount and free ratio, but free methionine was lower. d) Lysine content was relatively high, while histidine and glycine were detected in trace. 5) Sensory tests including color, odor and taste on the products resulted in the highest mark for the red pepper paste of glutinous rice but in the lowest mark for that of corn powder.
Gochujang and red pepper powder are the representative condiments in Korea. This study examines gochujang sauces for tteokbokgi by hot taste degree(4 levels) and then evaluated the quality and sensory characteristics of gochujang sauces to provide the basic information for industrialization of gochujang sauce. Moisture content of gochujang sauce 1 was the highest (53.90%). Moisture content became decreased against hot taste. pH range of gochujang sauce was 5.50~5.84. pH values of sauces increased in accordance with hot taste. In the Brix contents, sauce 3 was the highest(46.73%), but the sauce 1 was a little low. Viscosity of sauce 4 was 237.93 cp and others became decreased in accordance with hot taste. In the lightness(L value), sauce 2 was the highest(24.89). Capsaicin content of sauce 4 was 27.00 mg/100 g while sauce 1 was 22.97 mg/100 g. In sensory evaluation, color of sauce 4 was darkest. In hot taste, sauce 1 was evaluated as less hot while sauce 4 as most hot. Overall acceptability score range of sauce 2, 3, 4 was 4.95~5.50 which was higher than sauce 1. The result of a research conducted to undergraduate students showed that they preferred hot taste gochujang sauce. Consequently, customers should be more satisfied with sauce products they chose when provided with those by hot taste degree. In the future, more studies are required about the degree of hot taste for the successful industrialization and globalization of hot pepper and gochujang.
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