For the effective use of the conger eel by-products, such as head and frame, Tang, which is the Korean-type soup, from conger eel by-products (TCEB) was developed and its food component characterization was compared with that of commercial Chueotang, loach Tang. According to the results of viable cells and coliform group of TCEB heated at 115 o C for various times, the reasonable F0 value was 8 min. The proximate composition of TCEB was 90.7% for the moisture, 4.8% for the protein, 2.6% for the lipid, and 1.5% for the ash. The extractive-nitrogen content of TCEB was 243.1 mg/100 g, which was higher than that of commercial Chueotang, 208.0 mg/100 g. The total amino acid content of TCEB was 4,310 mg/100 g and its major amino acids were glutamic acid (637.3 mg/100 g, 14.8%), glycine (409.1 mg/100 g, 9.5%) and alanine (404.4 mg/100 g, 9.3%). TCEB was not felt in the sensual fish odor and its sensual taste was good. The health functional properties for health of TCEB were 1.29 as a PF (protection factor) for antioxidative activity and 39.4% for angiotensin Ⅰ converting enzyme (ACE) inhibiting activity.

http://www.koreascience.or.kr:80/article/JAKO200814264574668.pdf

Food Component Characteristics of Tang from Conger Eel By-products

Division of Marine Bioscience/Institute of Marine Industry, Gyeongsang National University, Tongyeong 650-160, KoreaAbstractFor the effective use of cultured red seabream, the muscle color, taste and nutrition components between red seabreams cultured by feeding and starving were compared. The proximate composition of red seabream muscle cultured by starving (RCS) was 72.7% moisture, 21.1% protein, 3.7% lipid and 1.4% crude ash. In comparison to red seabream muscle cultured by feeding (RCF), moisture and crude lipid of RCS were each 3% higher and 3% lower. No difference was, however, found in the other proximate compositions. The Hunter color value of RCS was 37.52 for L value, -1.47 for a value, 0.71 for b value and 59.33 for ΔE value, which was slightly higher in the L value than that of red seabream muscle cultured feeding (RCF); however, no differences were found in the other Hunter color values. TCA soluble-N content of RCS was 403.8 mg/100 g, which was higher than that of RCF (314.7 mg/100 g). In taste values, the major free amino acids of both RCS and RCF were glutamic acid, alanine, lysine and histidine. Total amino acid content of RCS was 21.2 g/100 g, which was higher than that of RCF. The mineral content of RCS was slightly higher in potassium than that of RCF, while lower in magnesium. According to the result of sensory evaluation, RCS was superior in taste and texture to RCF, while similar in color and flavor.Key words: red seabream, starved red seabream, sliced raw fish, starved fish

Comparison of Muscle Color, Taste and Nutrition Components Between Red Seabreams Cultured by Feeding and Starving

A set of 20 samples of tomato ketchup purchased on the market were analysed by several rheological procedures (Rheo-Stress 300) and by sensory profiling of both textural and flavour characteristics. A great variance was observed of all characteristics in all sample variables. About a third of plots between two variables were significantly related in the case of two rheological attributes and two sensory attributes, and in that of combinations between rheological and a sensory attributes. Similarly as in the case of lipid dispersions, the sensory texture acceptability was significantly related to the overall flavour acceptability. This proves the importance of texture in the consumption of tomato ketchup.

/pdf/textural-and-flavour-characteristics-of-commercial-tomato-17winrpfqk.pdf

Textural and flavour characteristics of commercial tomato ketchups.

The aim of this study was to develop and evaluate the simple semi-quantitative food frequency questionnaire (FFQ) for assessing folate intake in women of reproductive age. We developed a 30-item FFQ, and tested the reliability and validity in 97 women aged between 20 and 39 yrs using the FFQs and 24-h recalls, which were carried out twice, respectively. Assessing the reliability, the correlation coefficients were 0.53 (Spearman’s) and 0.49 (Pearson’s) for folate. There was no significant difference of folate intake between FFQ1 and FFQ2. 36.1% subjects were classified into the same quartile and 83.5% into the same or adjacent quartile divided by folate intake. On determining the validity, the mean folate intake obtained from the FFQ (FFQ1) and 24h-recalls (2-d) were 306.6 ± 167.2 µg/d and 326.9 ± 103.3 µg/d, respectively. There was no significant difference between folate intakes from the two methods. The correlation coefficients for folate were 0.24 (Spearman’s) and 0.26 (Pearson’s). 39.2% of the subjects were categorized into the same quartile and 70.1% were into the same or adjacent quartile. In addition, sensitivity (64.3%) and specificity (62.3%) were estimated to evaluate the adequacy of folate intake. These results suggest that this FFQ would be a useful and a valuable instrument to assess the intake of folate among the Korean women of child-bearing age. (Korean J Community Nutr 17(2) : 156~166, 2012)

/pdf/development-and-evaluation-of-the-semi-quantitative-food-ezx66mxd9s.pdf

Development and Evaluation of the Semi-quantitative Food Frequency Questionnaire to Assess Folate Intake in Women of Child-bearing Age

This study developed patties using the Antarctic krill Euphausia superba and investigated the food quality of the patties. Three different types of krill patty were produced: krill patties with added 1) corn oil (CKP), 2) AA grade surimi (AKP), and FA grade surimi (FKP). Their proximate composition, Hunter color value, texture, sensory evaluation, and levels of astaxanthin, cholesterol, calories, total amino acids, fatty acids, and fluoride were investigated. The moisture and crude protein contents were highest in FKP. The calorie and astaxanthin contents were highest in CKP and lowest in AKP. The cholesterol content was highest in CKP and lowest in AKP. Measuring the Hunter color value of cross-sections of the patties, the L values were highest for FKP, and the a and b values highest for AKP. The total amino acids were highest in FKP and lowest in CKP. The major fatty acids were highest in FKP. The hardness and chewiness were highest in FKP and lowest in CKP. The fluoride content was highest in AKP and lowest in FKP. The sensory evaluation had the highest scores for FKP and lowest for CKP. Accordingly, FKP appears to have better food quality than the other two products.

http://www.koreascience.or.kr:80/article/JAKO201333651558826.pdf

Food Quality of Patties Prepared Using Antarctic Krill Euphausia superba Meat

This study was carried out to prepare spaghetti sauce with adductor muscle of pearl oyster (SSAM) and to compare with commercial spaghetti sauce (CSS) From the results of organic acid, pH, hunter color value and sensory evaluation, the optimal addition ratio of adductor muscle of pearl oyster was 11% based for preparing SSAM and reasonable value was about 4 min for keeping storage of SSAM The proximate composition of SSAM was 698% for moisture, 37% for protein, 42% for crude lipid and 34% for crude ash SSAM was superior in sensory flavor and texture to CSS There was, however, no significant difference (p

Development of Spaghetti Sauce with Adductor Muscle of Pearl Oyster

To prepare high-quality fast foods using salmon, this study developed a docosahexaenoic acid (DHA)-enriched salmon patty, and compared its quality with soybean oil-added patty and commercial patty. The moisture and lipid contents of the DHA-enriched patty were 61.9% and 7.7%, respectively. The moisture content was lower than in the commercial patty, while the lipid content was higher. The lipophilic and hydrophilic browning indices of the DHA-enriched patty were 0.10 and 0.05, respectively, which were lower than those of the commercial patty. The DHA-enriched patty had 5% less trichloroacetic acid (TCA)-soluble nitrogen than the commercial patty, and it was firmer. There were no differences in the proximate composition, browning indices, TCA-soluble nitrogen content, and hardness between the soybean-added and DHA-enriched patties prepared in this experiment. Examining the fatty acid compositions of the patties, the saturated acid and monoenoic acid compositions decreased in the following order: DHA-enriched patty > soybean oil-added patty > commercial patty, while the polyenoic acid composition increased in that order. The total amino acid content of the DHA-enriched patty was 19.13 g/100 g, which was 32% higher than that of the commercial patty (14.47 g/100 g). No enriching effect of minerals would be expected on eating a 100 g DHA-enriched patty, except for phosphorus. The sensory evaluation indicated that the DHA-enriched patty was superior in color and taste to the commercial patty, while there was no difference in flavor between the patties.

/pdf/dha-enrichment-of-salmon-patty-using-emulsion-curd-and-its-28md3kl471.pdf

DHA Enrichment of Salmon Patty using Emulsion Curd and Its Component Characteristics

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Development of Spaghetti Sauce with Adductor Muscle of Pearl Oyster

DHA Enrichment of Salmon Patty using Emulsion Curd and Its Component Characteristics