Freeze dried products of lactic acid bacteria fermented food prepared from milk or egg white powder(EWP) were stored at $28^{\circ}C.\;5^{\circ}C$ and $-18^{\circ}C$ for 20 weeks. Properties of stored, freeze dried product and viable cell count. pH and organoleptic properties of stored, reconstituted product were investigated. (1) The viable cell count of reconstituted milk or EWP product stored at $5^{\circ}C\;or\;-18^{\circ}C$ was not changed markedly. However, the viable cell count of milk or EWP product stored at $28^{\circ}C$ was reduced during storage and it was changed substantially between 4 weeks and 5 weeks. However, pH of all samples stored at three different temperature was not changed. (2) Color of freeze dried product prepared from EWP became clearly brown at 16 weeks. (3) Appearance of reconstituted milk product stored at $5^{\circ}C\;or\;-18^{\circ}C$ for 20 weeks was not changed. However, homogeneity and solubility of reconstituted milk product stored at $28^{\circ}C$ for 20 weeks were reduced. Taste, odor and texture of reconstituted milk product stored at $28^{\circ}C$ for 20 weeks were markedly changed. (4) Viscosity of reconstituted EWP product stored for 20 weeks was slightly reduced. Solubility of reconstituted EWP product stored at $28^{\circ}C$ for 20 weeks was reduced and its taste and odor were markedly changed. Texture of reconstituted EWP product stored at $28^{\circ}C$ became rough.
Okinawan Awamori is produced by fermenting steamed indica rice with black mold, yeast, and water. Awamori-pressed lees is a by-product of the Awamori production process. Tofu lees is a by-product of the Tofu production process. This research consisted of two experiments conducted to elucidate whether or not dried Awamori-pressed lees and Tofu lees can be used as a mixed feed ingredient for raising female goats. In experiment 1, digestion trials were conducted to ascertain the nutritive values of dried Awamori-pressed lees and dried Tofu lees for goats. The digestible crude protein (DCP) and total digestible nutrients (TDN) contents of dried Awamori-pressed lees and Tofu lees were 22.5%, 22.5% (DCP), and 87.2%, 94.4% (TDN) respectively. In experiment 2, 18 female goats (Japanese Saanen${\times}$Nubian, three months old, body weight $15.4{\pm}0.53$ kg) were divided into three groups of six animals (control feed group (CFG), Awamori-pressed lees mixed feed group (AMFG), Tofu lees mixed feed group (TMFG)). The CFG control used feed containing 20% soybean meal as the main protein source, while the AMFG and TMFG treatments used feed mixed with 20% dried Awamori-pressed lees or dried Tofu lees. The groups were fed mixed feed (volume to provide 100 g/d increase in body weight) twice a day (10:00, 16:00). The klein grass hay and water was given ad libitum. The hay intake was measured at 08:00 and 16:00. Body weight and size measurements were taken once a month. At the end of the experiment, a blood sample was drawn from the jugular vein of each animal. The DCP and TDN intakes in AMFG and TMFG showed no significant difference to the CFG. Cumulative measurements of growth in body weight, withers height, chest depth, chest girth, and hip width over the 10 mo period in the AMFG and TMFG were similar to the CFG. By contrast, cumulative growth in body length and hip height in the AMFG and TMFG tended to be larger than the CFG. Cumulative growth in chest width in the AMFG was significantly larger (p<0.05) than the CFG. Blood parameter values were similar to those in normal goats reported by other scientists. The coats of the AMFG and TMFG animals looked shinier than the animals in the CFG. The results demonstrate that dried Awamori-pressed lees and Tofu lees can be used as a feed ingredient for the raising female goats.
This experiment was conducted to compare the influences of dietary dried persimmon by-product(DPB) on performance, blood cholesterol and fatty acid composition in broiler chicks. Diets contained 21.5 and $19\%$ CP for the starting and finishing period, respectively. The ME was 3,100kcal/kg in diets for both starter and finisher diets. One hundred sixty chicks were assigned to 4 treatments with 4 replicates at different levels of dried persimmon by-product. Treatments were consisted of 0(control), 1(T1), 3(T2) and $5\%$ (T3) DPB. Body weight gain was higher in treatment groups fed the starter diet but was the lowest in T3 for finishing period. Feed efficiency was not significantly different. In proximate composition, crude fat of chicken meat were increased in diets by addition of DPB than control, but moisture and crude ash was no significantly different. The total cholesterol, HDL, and triglyceride of treatment groups was higher than control. The LDL of control was higher than treatment groups. In fatty acid composition, oleic acid contents of treatment groups were higher than control, whereas stearic, linoleic acid contents lower in meat composition than control. In conclusion, dietary supplementation of DPB at $3\%$ level tended to improve growth performance of broiler chicks.
LEE Eung-Ho;OH Kwang-Soo;AHN Chang-Bum;CHUNG Bu-Gil;BAE You-Kyung;HA Jin-Hwan
Korean Journal of Fisheries and Aquatic Sciences
/
v.20
no.1
/
pp.41-51
/
1987
This study was carried out to prepare powdered smoked-dried mackerel which can be used as a soup base, and to examine storage stability and the taste compounds of Products. Raw mackerel are filleted, toiled for 10 minutes and pressed to remove lipids, and then soaked in extract solution of skipjack meat. This soaked mackerel are smoked 3 times to $10-12\%$ moisture content at $80^{\circ}C$ for 8 hours. And the smoked-dried mackerel were pulverized to 50 mesh. Finally, the powdered smoked-dried mackerel were packed in a laminated film $bag(PET/Al\;foil/CPP:\;5{\mu}m/15{\mu}m/70{\mu}m,\;15\times17cm)$ with air(product C), nitrogen(product N) and oxygen absorber(product O), and then stored at room temperature for 100 days. The moisture and crude lipid content of powdered smoked-dried mackerel was $11.3-12.3\%,\;12\%$, respectively, and water activity is 0.52-0.56. And these values showed little changes during storage. The pH, VBN and amino nitrogen content increased slowly during storage. Hydrophilic and lipophilic brown pigment formation showed a tendency of increase in product(C) and showed little change in product(N) and (O). The TBA value, peroxide value and carbonyl value of product(N) and (O) were lower than those of product (C). The major fatty acids of products were 16:0, 18:1, 22:6, 18:0 and 20:5, and polyenoic acids decreased, while saturated and monoenoic acids increased during processing and storage of products. The IMP content in products were 420.2-454.2 mg/100 g and decreased slightly with storage period. And major non-volatile organic acids in products were lactic acid, succinic acid and $\alpha-ketoglutaric$ acid. In free amino acids and related compounds, major ones are histidine, alanine, hydroxyproline, lysine, glutamic acid and anserine, which occupied $80.8\%$ of total free amino acids. The taste compounds of powdered smoked-dried mackerel were free amino acids and related compounds (1,279.4 mg/100 g), non-volatile organic acids(948.1 mg/100 g), nucleotides and their related compounds (672.8 mg/100 g), total creatinine(430.4 ntg/100 g), tetaine(86.6 mg/100 g) and small amount of TMAO. The extraction condition of powdered smoked-dried mackerel in preparing soup stock is appropriate at $100^{\circ}C$ for 1 minute. Judging from the results of taste and sensory evaluation, it is concluded that the powdered smoked-dried mackerel can be used as natural flavoring substance in preparing soups and broth.
Fujiwara, K.;Miyaguchi, Y.;Toyoda, A.;Nakamura, Y.;Yamazaki, M.;Nakashima, K.;Abe, H.
Asian-Australasian Journal of Animal Sciences
/
v.21
no.11
/
pp.1610-1615
/
2008
Natto is a Japanese traditional soybean product fermented by Bacillus natto. The effects of dried fermented soybean (natto) supplement on egg production and egg qualities of layer chickens was studied with regard to the effective use of various waste foods in Japan. Dried natto, prepared by heating at $60^{\circ}C$, was added to a basic diet at a level of up to 3%. Forty 166-wk-old layer chickens (Rhode Island Red) were randomly divided into 4 groups and five layer chickens were used in each group with two replicates. Layer chickens in group 1 were fed a basic diet as the control. The remaining 3 groups were fed the basic diet supplemented with dried natto at levels of 1, 2, and 3% (w/w), respectively. The result did not show improvements in egg production or feed conversion ratio of layer chickens even when 3% dried natto was added to the control diet. The egg qualities including egg weight, eggshell strength and thickness, yolk color, yolk weight, albumen height, and Haugh unit were also not improved. However, the feeding of dried natto changed the cholesterol content in the egg yolk. The supplementation of dried natto showed the tendency to decrease the yolk cholesterol after 12-wk of feeding compared to the control diet though it did not change plasma cholesterol levels in the blood. On the other hand, yolk cholesterol decreased significantly after 12-wk of feeding 3% dried natto (p<0.05).
Kim, Hyun-Jung;Lee, Dong-Soo;Kim, Il-Hoe;Kim, Young-Mog;Shin, Il-Shik
Korean Journal of Fisheries and Aquatic Sciences
/
v.52
no.1
/
pp.19-26
/
2019
The objective of this study was to analyze bacteriological and chemical hazards in minimally processed commercial fish products, including Hwangtae (freeze-dried pollock), dried anchovy, fermented anchovy sauce, and salted and dried yellow croaker. Escherichia coli counts from all samples were below the regulation limits of the Korean Ministry of Food and Drug Safety Standards on Quality of Seafood and Seafood Products (Food Code). However, the food poisoning bacterium Staphylococcus aureus was detected at levels above $1.0{\times}10^2$ colony forming units (CFU)/g in Hwangtae, dried anchovy, and salted and dried yellow croaker, which are commonly ingested without heating and pose bacteriological hazards. The detection of S. aureus, an organism indicative of poor personal hygiene, which can be introduced by employees and multiply during distribution, indicates the necessity of improving the sanitary control of minimally processed commercial fish products. Histamine was not detected from dried anchovy or salted and dried yellow croaker, but was detected at some of the highest levels in fermented anchovy sauces. This result suggests that efforts to reduce the amount of histamine in fermented anchovy sauces are required.
Journal of the Korean Society of Food Science and Nutrition
/
v.18
no.2
/
pp.181-188
/
1989
The present study has been carried out to investigate the effect of Bactokil(made from didecyldimethyl ammonium chloride isopropanol and water) and Taipet-F (made from natural vitamin E, L-ascorbic acid, glyceride and gallic acid) on retarding lipid oxidation in boiled-dried anchovy. To process boiled-dried anchovy, boiled anchovy dried in cabinet drier $(dry-bulb\;temperature\;40^{\circ}C)$ for 1 hour were fronted with the Bactokil, the Taipet-F and mixture of Bactokil and Taipet-F, respectively. Anchovy fronted with chemicals were redried for 8 hours, packed in polyethylene film bag, and then stored at room temperature $(24{\pm}3^{\circ}C)$. These products were compared with control(untreated with chemicals) during storage. The changes in volatile basic nitrogen of each product was negligible during storage. The thiobarbituric acid and peroxide values of each product increased up to 10 days of storage, and then decreased. In color value of each product, L value increased, while n, b and ${\bigtriangleup}E$ values decreased during storage. The changes in brown pigment formation of each product increased up to final stage of storage. From the results of chemical analysis and sensory evaluation, the product treated with Taipet-F(0.5%, v/v) was the most effective on retarding lipid oxidation of the boiled -dried anchovy, followed by the product treated withthe mixture of Bactokil (0.04%, v/v) and Taipet-F (0.5%, v/v), the product treated with Bactokil(0.04%, v/v) and control, in the order named.
This study on the processing of noodles was carried out to increase utilization of Allium fistulosum L., In the areas of total solids in residual liquid, swelling volume, and water absorption, a mixture of 10.0% dried Allium fistulosum L. flour and wheat flour, and a mixture of 25.0% raw Allium fistulosum L. flour and wheat flour both perform similarly to noodles made with just wheat flour. In the area of texture- the gumminess, cutting factor, and chewiness increase as the percentage of dried Allium fistulosum L. flour increases. There is no great difference in these factors between the 10.0% dried and the 25.0% raw mixtures. The color of the noodles with a mixed Allium fistulosum L. flour is green-yellow. As the quantity of Allium fistulosum L. flour increases the color gets darker The over all perception of the noodles made with a mixed Allium fistulosum L. flour was rated higher in color, taste, and smell than regular noodles. This study shows that mixing wheat flour with 10.0% dried Allium fistulosum L. flour or 25.0% raw Allium fistulosum L. flour produces a better noodle product.
Jung, Kyung-Mi;Park, Sung-Gi;Lee, Youngsuk;Kim, Soo Rin
Journal of the East Asian Society of Dietary Life
/
v.27
no.5
/
pp.521-528
/
2017
In this study, peach powder-added chocolate and chocolate-covered freeze-dried peach snack were developed, and their physicochemical and bioactive properties were characterized. To make the chocolate, 0~15% of peach powders made of Fantasia cultivar were used. To make freeze-dried peach snack, three types of peach cultivars were tested: Mihwang, Kanoiwa Hakuto, andFantasia. In the case of chocolate, sugar content increased and pH decreased as peach powder content increased. Upon 15% peach powder addition, chocolate showed significant increase in flavonoid content and reducing power. In the case of freeze-dried peach snack, phenol content and antioxidant activity were significantly high in the Mihwang cultivar among the three types of peach cultivars tested. These results can be applied to the development of new food products using peach while maintaining its original physicochemical and bioactive properties.
LEE Eung-Ho;KIM Jin-Soo;KIM Han-Ho;LEE Jin-Kyung;OH Kwang-Soo;KWON Chil-Sung
Korean Journal of Fisheries and Aquatic Sciences
/
v.19
no.1
/
pp.52-59
/
1986
As one of trials to process instant sardine foods which can be preserved at room temperature, three kinds of products were prepared as seasoned-dried product (control, C), liquid smoked seasoned-dried product(S) and antioxidant treated seasoned-dried product(E), and their processing conditions and quality stability during storage were examined. Raw sardines were dressed, steamed and then filleted. The sardine fillets were seasoned with the mixed seasoning solution containing $28.0\%$ of sorbitol, $14.0%$ of sugar, $5.6\%$ of table salt, $1.8\%$ of monosodium glutamate, $0.6\%$ of garlic powder and $50.0\%$ of water at $5^{\circ}C$ for 15 hours, and dipped for 45 seconds in $10\%$ Smoke-EZ solution. After liquid smoking, the seasoned and liquid smoked sardine fillets were dried at $45^{\circ}C$ for 4 hours, vacuum packed in laminated plastic film bag(polyester/casted polypropylene= $12{\mu}m/70{\mu}m,\;15{\times}16cm$), and finally pasteurized in water at $95^{\circ}C$ for 30 minutes. The results obtained from chemical and microbial experiments during storage are as follows : the moisture contents, water activity and pH of the products showed little change, and VBN of them slightly increased during storage. The TBA value and POV of the products (E, S) were lower than those of control product(C) considerably. In color values, L value (linghtness) decreased while a and b value (red and yellow) revealed a tendency to increase during storage. The fatty acid composition of the products were similar to those of raw sardine, the predominant fatty acids were 16:0, 20:5, 18:1 and 22:6. The products (E, S) have a good preservative effect on highly unsturated fatty acids during storage. Viable cell counts of those products were negative and histamine contents were less than 2.0 mg/100 g. Among the texture profiles, hardness, elasticity and cohesiveness of the products slightly decreased during storage. Judging from the sensory evaluations, liquid smoked seasoned-dried product(S) was the most desirable, and the products could be preserved in good condition for 40 days at $25{\pm}3^{\circ}C$.
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