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The purpose of this study was to analyze middle students’ carbonated beverages selection and consumption behaviorsdepending on their food-related lifestyle. Data was collected from 307 middle students in Incheon region through aself-administered questionnaire. According to the results of the factor analysis, food-related lifestyle showed that the averageis more than 3.0, 0.800 in Cronbach alpha coefficient. There were significant differences in carbonated beverages preferenceaccording to health seeking, easy seeking, popularity seeking, and safety seeking type (p<0.05). Also easy seeking andpopularity seeking type lifestyle showed significant differences in the reason to drink carbonated drinks (p<0.05), especiallyschool canteen amenities tended to pursue the highest fashion. A significant significance positive result of the consumptionof carbonated beverages (p<0.01) was shown for the easy seeking type. A significant positive result of the consumptionof carbonated beverages (p<0.01) was shown for the taste seeking and safety seeking type. Analysis of the relationshipbetween carbonated beverage consumption, and form factor showed a high correlation coefficient of 0.617 and with branddesign, while the taste and the price were (p<0.05) 0.446, and 0.437 in order to design and calories, respectively.
가공조건 차이에 따른 한방차의 성분변화를 분석한 결과, 팽화공정 처리한 것은 볶음공정을 한 것보다 조회분, 수분, 조단백질, 고형분 용출율이 증가하였으며 조지방은 소폭 감소하였다. 벤조피렌 [B(α)P]함량은 0.35 ppb에서 0.18 ppb로 크게 감소하였다. 전체적으로 심한 열처리 과정이 없는데도 불구하고 B(α)P 이 검출된 이유는 식품 중 B(α)P 는 주로 음식을 조리, 가공할 때 식품의 주성분인 탄수화물, 단백질, 지방 등이 열분해 되어 생성되기 때문이다. 한방차에서 맛, 향, 색상 모두 큰 차이를 보이지 않으나 다소 텁텁한 느낌이 강하고, 시큼한 맛이 강하여 선호도를 떨어뜨리는 것으로 나타났다. The analysis of the change in the herbal tea composition according to the difference in processing conditions result. Was slightly reduced crude is treated ash puffing process was relatively increased, moisture, crude protein, the solid elution rate than the roasting process. Benzopyrene content was significantly reduced to 0.18 ppb from 0.35 ppb. Generation of food B (α)P is mainly include the thermal decomposition of food cooking, when the processing which is a main component of food carbohydrate, protein, fat reason despite severe heat treatment as a whole is to be detected even though the B(α)P in this way is considered to be. Generally the taste, aroma and color did not show a big difference but tasted quite stuffy and the strong sour taste reduced its preference.
This study measured the change of lactic acid bacteria during the ripening fermentation process of low salt fermented squid with no squid ink added. All study groups showed increase of Leuconostoc and rapid growth of total plate count at the beginning stage of ripening and the maximum microbial count showed at the optimum stage of ripening which gradually reduced after the optimum stage. It is believed that Lactobacillus occupied the major part of the total plate count after the optimum stage of the squid fermentation, and it was related to the quality after the optimized ripening stage. Streptococcus and Pediococcus were gradually increased until the optimum stage of the ripening, and then decreased rapidly. Yeasts were detected in the middle stage of the fermentation and rapid increase was shown after the last stage of the fermentation which suggests that yeasts participate in putrefaction of the low salt fermented squid. The change of lactic acid bacteria observed during the ripening fermentation of low salt fermented squid with squid ink added was that the total plate count increased until ripening middle stage but showed a tendency to slightly reduce after the middle stage. The length of time to reach the maximum value was longer than the no treatment groups. Among the lactic acid bacteria, Leuconostoc, Streptococcus and Pediococcus has increased until the middle stage of the ripening while Lactobacillus constantly increased to the end part of the ripening. Yeasts had no increasing in the early ripening stage, but after middle of the ripening, it started to increase. That kind of tendency was similar to the case of no treatment groups. However, the amount of lactic acid bacteria tended to be less than no treatment groups. The tendency of decreasing number of all bacteria in low salt fermented squid with squid ink added shows squid ink restricts the growth of all bacteria.
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This study shows the effect of 4% squid ink on the textural properties of squid during fermentation for 8 weeks at 10℃ or 32 days at 20℃ in 5% salt solution. Although the hardness and chewiness of the squid fermented with squid ink continuously decreased during fermentation, the degree of decrease was smaller than that of squid fermented without squid ink. We can conclude that squid ink inhibited the ripening of the low salt fermented squid.
오징어 젓갈에 오징어 먹즙을 2% 및 4% 농도로 첨가하고 10℃에서 8주일간, 20℃에서 32일간 숙성시키면서 아미노태 질소와 근육단백질 변화를 분석한 결과는 다음과 같다. 오징어 먹즙이 첨가되지 않은 오징어 젓갈의 아미노태 질소는 식염 농도가 낮고 숙성온도가 높을수록 숙성 후반까지 계속 유의성 높게 증가하여 숙성이 촉진되었으며 오징어 근육의 단백질 변화는 myosin heavy chain이 숙성 초반에 현저히 분해되지만 actin의 변화는 거의 없어서 protease에 강하였다. 오징어 먹즙을 첨가한 오징어 젓갈의 아미노태 질소 함량은 숙성후반까지 계속 증가하였으나 증가폭은 무 첨가군에 비하여 적었으며 오징어 근육 단백질 중 myosin heavy chain은 숙성 중반에 현저히 분해되었으며 식염농도가 높고, 온도가 낮은 먹즙 첨가군은 분해 속도가 느렸다. Squid ink was added to the salt fermented squid by 2% or 4% of concentration and ripened at 10℃ for 8 weeks and at 20℃ for 32days. The effects of the squid ink on the amino nitrogen and muscle protein of salt fermented squid were investigated. The results are as follows; As the salt concentration was decreased and the fermentation temperature raised, amino nitrogen in the salt fermented squid without addition of the squid ink was significantly increased to the latter stage of the ripening and hence fermentations were enhanced. From the change of the protein in the squid muscle in the experiments, dissolution of the myosin heavy chain took place conspicuously in the early stage of the ripening while actin was rarely changed which resulted in the strong resistance to protease. The amino nitrogen content in the salt fermented squid addition of the squid ink has increased to the latter part of the ripening but the range was smaller than no treatment groups. The protein in squid muscle, especially the myosin heavy chain was remarkably dissolved in the middle of the ripening whereas the squid ink added groups of high salt concentration and low temperature showed the tendency of slow proteolysis.
The following study is the result of herbal teas puffed at different temperatures between 140~220℃. Depending on treatment temperatures, the water contents decreased, while some carbonization occurred and crude ash contents relatively increased. Also, the crude protein and crude fat experienced little changes. B(α)P contents (0.16~0.17 ppb) showed little change according to treatment temperatures. From this result, the B(α)P content differed depending on the treatment temperature and raw materials. Solid elution rate figures of the herbal teas ranged from 0.27~0.45% (w/w) and the rate of solid elution increased along with higher puffing temperatures. The reason for the increase in solid elution rates is due to the breakage of cross bridges between the raw materials in the herbal tea which are carbohydrates, proteins, lipids and etc. after treatments of physical changes rather than chemical ones.
Squid ink was added to the salt fermented squid by 2% or 4% of concentration and ripened at 10℃ for 8 weeks and at 20℃ for 32days. The effects of the squid ink on the volatile basic nitrogen and browning activities of salt fermented squid were investigated. The results are as follows; As the salt concentration was decreased and the fermentation temperature raised, volatile basic nitrogen in the salt fermented squid without addition of the squid ink was significantly increased to the latter stage of the ripening and hence fermentations were enhanced. It was found that the browning has decreased from the mid-stage of the ripening, after showing the increasement during the early stage. The volatile basic nitrogen content in the salt fermented squid addition of the squid ink has increased to the latter part of the ripening but the range was smaller than no treatment groups. 오징어 먹즙을 오징어 젓갈에 2% 및 4% 농도로 첨가하고 10℃에서 8주일간, 20℃에서32일간 숙성시키면서 휘발성염기질소와 갈변도의 변화는 다음과 같다. 오징어 먹즙을 첨가하지 않은오징어 젓갈의 숙성 중 휘발성염기질소는 염 농도가 낮고 숙성온도가 높을수록 숙성 후반까지 계속유의성 높게 증가하여 숙성이 촉진되었다. 갈변도는 숙성초반 증가하였다가 중반이후 다시 감소하였다. 오징어 먹즙 첨가한 오징어 젓갈의 휘발성염기질소 함량은 숙성후반까지 계속 증가하였으나 증가폭은 무 첨가군에 비하여 작았다.
본 연구는 추출물 농도에 따른 생리활성물질의 용출량을 측정하기 위해 전자공여능과 총 폴 리페놀 함량을 측정한 결과이다. 전자공여능은 추출물의 첨가 농도가 15%인 경우는 21.81%로 나타났 고, 35% 농도에서 40.45%로 가장 높았다. 한약재의 첨가 농도가 증가함에 따라 전자공여능은 유의적으 로 증가하였다(p<0.05). 가장 높은 35% 첨가 농도에서의 40.45% 공여능은 이보다 더 낮았으므로 전자 공여능은 미약한 것으로 생각된다. 총 폴리페놀함량은 한방약술 15%에서는 113.89±1.79 ㎍ GAE/㎖로 나타났고, 한방약술 35% 에서는 274.24±0.71 ㎍ GAE/㎖로 나타나서 첨가물의 농도 증가에 따라 총 폴리페놀의 함량도 유의적으로 증가하였다(p<0.05). 추출물 농도가 30%에서 총 폴리페놀 함량의 증가 폭이 61.75 ㎍ GAE/㎖로 가장 높았다. In this study, the electron donating ability(EDA) and total polyphenol content of herbal wine were examined. The herbal wine was obtained from extract concentration to evaluate its functional properties. The herbal wine were screened for their potential antioxidant activities using test such as electron donating ability(EDA) and total polyphenol content.The electron donating ability(EDA) were 21.81±0.56 in herbal wine 15% and 40.45±1.60 in herbal wine 35%. As the extract concentration was increased the electron donating ability(EDA) were significantly increased(p<0.05). The total polyphenol contents were measures 113.89±1.79 ㎍ GAE/㎖ in herbal wine 15%, 274.24±0.71 ㎍ GAE/㎖ in herbal wine 35%. As the extract concentration was increased the total polyphenol contents were significantly increased(p<0.05). Also, the total polyphenol contents were measures 61.75 ㎍ GAE/㎖ in herbal wine, the higher.