The seasoned pork loin manufactured using with seasoning sauce that were prepared with 3 different composites of medicinal plant extracts ($T-1{\sim}3$). The the quality characteristics were investigated during storage at $4^{\circ}C$ for 15 days. Sensory evaluation was higher in medicinal plant extracts added seasoning pork, in particular, significantly highest in group T-1. Lightness ($L^*$) value tended to decrease with increasing storage days, redness ($a^*$) was significantly higher in the medicinal plant composites added groups (T-1, 2 and 3) than control, yellowness ($b^*$) had no significant difference among three groups added medicinal paint composites. In hardness test, raw pork (control) was lower than seasoned pork groups, but tended to increase by added medicinal plant composites. Cooking loss increased with increasing storage period, but there was no significant difference between the seasoned pork groups ($T-0{\sim}3$). The changes of pH showed lower in control than seasoned pork groups ($T-0{\sim}3$) added seasoning sauce. Moisture content decreased with increasing storage period. VBN content increased during storage. After storage for 15 days, it was significantly higher in the order of T-3 >> T-0 > T-2 > T-1.
This study was conducted to investigate physico-chemical changes of pork prepared by Korean traditional 3 types seasoning such as soybean sauce(Tl); garlic sauce(T2); red pepper sauce(T3). The seasoned samples were aged at 0 ${\pm}$$1^{\circ}C$ for 30 days. The results obtained were as follows; Salinity(%) and saccharinity(%) of sauce were significantly decreased(P<0.05) among the all treatments during aging periods, whereas fermented meats were significantly increased(P<0.05). pH of sauce and fermented meat were tended to increased as aging period. Water-Holding Capacity(WHC) and shear force of fermented meat increased(P<0.05) among the all treatments at 20 days of storage, and decreased after that period. In color, $L^* and b^* value of T3 were lower, while a^*$ value was higher than other treatments during aging period. Volatile Basic Nitrogen(YBN) value of all treatments were increased(P<0.05) after 20 days of storage. YBN value of T3 was significantly higher(P<0.05) compared with other treatments. Thiobarbituric Acid Reactive Substances(TBARS) was rapidly increased until 10 days of storage and somewhat decreased up to 20 days after 10 days in all treatments, it was re-increased after 20th days. T3 showed the highest TBARS among the all treatment groups. Total bacterial and Lactobacilli spp. were significantly increased(P<0.05) in all treatments at 10 days of storage and decreased after that period, however it tended to increased at 30 days of storage. In sensory evaluation, overall acceptability in all treatments were increased after 20 days of storage compared to initial storage and it score was similar thereafter.
This study aims to analyze importance and performance factors on the quality of food service event attributes in participants and organizers, so that it could provide helpful information to build up a detailed marketing strategy and present considerations for revisit increase and more efficient business results as well. Importance on food service event attributes scored a higher level than performance on the whole. Notably, in regard to the attributes of food service event, it was found that respondents put higher stress on vessel(4.10 points), natural seasoning(4.06 points), reservation service(4.04 points), parking service(3.95 points), customer level(3.85 points), organizer's service (3.84 points), polished atmosphere (3.83 points) and taste of food (3.83 points) than anything else. In terms of IPA analysis on food service event attributes, it was important to continuously maintain 'vessel', 'reservation service', customer level', 'sauce taste', 'recency', price', 'chefs fame', etc. Some items such as 'parking service', 'natural seasoning', 'polished atmosphere', 'taste of food', 'see off service', 'cleanliness' are in need of intensive care and operation.
Jo, Kil-Suk;Kim, Hyun-Ku;Kang, Tong-Sam;Shin, Dong-Hwa
Korean Journal of Food Science and Technology
/
v.20
no.3
/
pp.363-370
/
1988
An attempt was made in this study to investigate the possibility of processing oyster and sea mussel into an intermediate moisture food. To obtain a palatable and instant product, shucked samples were heated in soy sauce for 5 min., heated in seasoning solution for 10 min., and then dried by the method of hot-air blowing for 4-6 hours at $40^{\circ}C$. Optimum seasoning solutions consisted of 2% monosodium glutamate, 3.5% sodium chloride, 15% sorbitol, 2% propylene glycol, 5% glycine and 0.02% rosemary oleoresin in 72.48% water. Judging from water activity, thiobarbituric acid, viable cell count, volatile basic nitrogen, surface color and sensory evaluation, vacuum-packaging method in nylon/PE $(20{\mu}m/40{\mu}m)$ or polyester/viniliden chloride/polypropylene $(12{\mu}m/15{\mu}m/50{\mu}m)$ film bag did hardly damage to the quality of intermediate moisture products, but air-packaging method in polyethylene(0.06m/m) bag did considerable damage to the quality during storage for 60 days in an incubator with 49-51% relative humidity at $30^{\circ}C$.
Journal of the Korean Society of Food Science and Nutrition
/
v.36
no.7
/
pp.881-888
/
2007
For the use of skipjack tuna cooking drip (STC) as a source of functional seasoning, the STC was hydrolyzed with various commercial enzymes, such as Alcalase, Flavourzyme, Neutrase and Protamex, and its hydrolysate was also investigated on the food component characteristics. The hydrolysate incubated with Alcalase for 30 min (HA30) showed 56.8% for angiotensin I converting enzyme (ACE) inhibitory activity and 1.18 for antioxidative activity, which were high or similar compared to the other enzymatic hydrolysates. There were no differences in ACE inhibitory activity and antioxidative activity among HA30, two-step enzymatic hydrolysates, and ultrafilterates (molecular weight cut off, 10 kDa). The HA30 was very stable on the digestive enzymes, such as chymotrypsin, pepsin, trypsin according to the TCA (trichloroacetic acid) soluble index. The results suggested that skipjack tuna cooking drip could be used as a source for preparing functional seasoning sauce.
The purpose of this research was to determine the relationship of the dietary nutrients to blood pressure among preschool children in Seoul and to concurrently study the effect of seasonal variance on the aforementioned relationship. The subjects of the study consisted of 203 preschool children aged four to six years. Anthropometric measurements of height, weight, pulse rate and blood pressure, urinary excretion of five cations(Na, K, Ca, P, Mg), creatinine and urea nitrogen and dietary questionaires concerning sodium, potassium calcium and phosphorus were taken during the two periods of summer(Aug. 1986)and winter(Feb, 1987). The results obtained are summarized as follows: 1) The daily urinary excretion of five cations, creatinine and urea nitrogen is summer and winter was as follows; The sodium content was 57.8 mEq in the summer and 59.4 mEq in the winter ; potassium 20.4 mEq and 23.0 mEq, respectively ; calcium, 5.5 mEq and 3.6 mEq, respectively ; and phosphorus, 27.4 mEq and 19.9 mEq, respectively. Only calcium and phosphours excretions in the urine showed significant differences per season(p<0.05). 2) The average dietary intake per day of sodium was 2349mg in the summer and 2155mg in the winter ; potassium consumption was 1425mg in the summer and 1448mg in the winter ; intake of calcium was 472mg in the summer and 500mg in the winter ; and phosphours consumption was 642mg in the summer and 634mg in hte winter. The sodium-to-potassium consumption ratio 1.6 and 1.5, respectively, in the summer and in the winter and the calcium-to-phosphorus ration was 0.7 in the summer and 0.8 in the winter. The dietary calcium intake showed significant differences between the seasons. 3) The principal source of sodium consumption among preschool children was from seasoning-including talbe salt, soy sauce and instant sauce-which accounted for higher then 45% of the sodium intake in both seasons. The main source of potassium was frutis and vegetables which accounted for 29.6% of the potassium intake in the summer and 25.7% in the winter. Milk and milk products were the primary dource of calcium(higher then 40% in both seasons) 4) In the summer, urinary phosphours levels were weakly reated to systolic blood pressures. (0.05
This study was performed to analyze flavor components of foods, that is, total free amino acids, free glutamic acid(constituent of MSG) and nucleotide relating substances. Twenty-five foods popular to Korean were selected and prepared according to recipes of several cooking books. The results were as follows; In contents of total free amino acids, free glutamic acid and total nucleotide relating substances, similar Patterns were shown. The foods which their major food stuffs were meat, fish and marine products and which a large amount of soy sauce were added to, tended to show high contents. of those On the other hand, although major foodstuffs had relatively high contents of those, foods added other many sub-foodstuffs had shown intermediate contents of those. Soups and watery noodles had low contents of those because of their large water amount. Especially, foods made of vegetables without addition of soy sauce showed low content of IMP. In foods various ratios of free glutamic acid to IMP were calculated. Thus, the proper usage of the chemical seasoning containing nucleotide at various contents should be considered for efficient flavor enhancing effect.
In this study, the kinds of Dog Meat Cooking, the frequency of them, the ingredients, and the variation of recipes written in the books from 1670 to 1943 in Korea were studied. 1. There were 14 Dog Meat recipes in the literature. And the number dishes is 50. Among these, Jeung (steaming in seasoning:(蒸) had the highest frequency, 20(40%), which has played a main role. Kaeng or Tang (soup:(羹,湯) has appeared 12 times (24%) and Eikin koki dasi chinun bup (steaming twice), Kujang(steaming with white onions:((狗醬) 4 times (8%), respectively. 2. The number of sesonings was 22, the major ones according to the frequencies were oil and soy sauce(34.7%), sesame-seed powder(32.6%), pepper(30.4%), vinegar(30.4%), soy sauce (23.9%), red pepper powder(21.7%(, sesame-seed oil(19.5%), Mancho powder(19.5%), and Chuncho powder(19.5%). 3. Five ingradients were found, among which onion was most widely used(28.2%), Parsley(17.3%), Kyeyun(8.6%), leek(2.1%), and walnut(2.1%) have also appeared.
LEE Eung-Ho;JEE Seung-Kil;AHN Chang-Bum;KIM Jin-Soo
Korean Journal of Fisheries and Aquatic Sciences
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v.21
no.1
/
pp.57-66
/
1988
As a method of utilization of sardine, the processing conditions of the sardine sauce extracts and the taste compounds of products were investigated. To prepare the sardine sauce extracts, chopped sardine was mixed with $1\%$, onion powder, $1\%$ garlic powder, $1\%$ red pepper powder, loft koji and $50\%$ water, and then hydrolyzed under different conditions of hydrolysis. The optimum conditions for hydrolysis were $55^{\circ}C$, 6 hours, pH 6.5-7.0. After hydrolysis, the hydrolysates were heated at $100^{\circ}C$ for 20 minutes with $5\%$ soybean protein isolate for inactivation of enzymes and improvement of bitter taste of the hydrolysates. Finally, $10\%$ salt was added to develop the characteristic taste of sauce extracts. The major taste compounds of the products were free amino acids, non-volatile organic acids and nucleotides and their related compounds. The major free amino acids in the products were arginine, histidine, lysine, glutamic acid, phenylalanine, leucine and alanine. The contents of these free amino acids were in the range of $68.2\%\;to\;69.9\%$ of the total free amino acids of products. The major non-volatile organic acids ill the products were lactic acid and $\alpha-ketoglutaric$ acid which occupied more than $95\%$ of total non-volatile organic acids. The contents of free amino acids, non-volatile organic acids and nucleotides and their related compounds were not changed during storage. Total creatinine, betaine and TMAO were seemed to act an auxiliary role in taste of the products. Judging from the results of chemical experiments and sensory evaluation, the product prepared with koji and soybean protein isolate was excellent as seasoning materials.
This study was conducted to investigate the changes of quality characteristics on seasoned pork with Korean traditional 4 types seasoning such as soybean sauce(T1); Kimchi sauce(T2); pickled shrimps sauce(T3); onion sauce(T4). The seasoned samples were aged at 10±1℃ for 13 days. The results obtained were as follows; Except for T2, pH of treatments were significantly decreased(P<0.05) as aging period increased. Salinity(%) and saccharinity(%) of seasoned meat were tended to increased during aging period. Thiobarbituric acid reactive substances(TBARS) were increased significantly during storage in all treatment(P<0.05). T4 showed the highest TBARS among the all treatment groups. Volatile basic nitrogen(VBN) values of all treatments were significantly increased(P<0.05) as storage period increased. There were no significant differences in water holding capacity(WHC) among the all treatments, and those values were not changed by the passage of storage days. Shear force values of all treatments were tended to decreased by the passage of storage days. In surface color, the values of L*, a* and b* showed a tendency of increasing value along the storage days. The values of a* and b* of T2 were significantly higher than other treatments during aging period(P<0.05). In inner color, a* and b* values of T2 were significantly higher than those of other treatments during aging period(P<0.05). In the sensory evaluation of cooked meat, T3 treatment resulted in lower score in aroma, flavor, tenderness, juiciness and overall acceptability. The number of total plate counts and Lactobacilli spp. tended to increase with storage in all treatments group. The numbers of Escherichia coli were not changed by the passage of storage time.
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