• KSBB Journal
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• 제31권4호
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• pp.256-262
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• 2016

The need for natural cosmetic ingredients has been increasing over the world nowadays. Agarose, a natural polymer from red seaweeds, has high hydrophilic character and a function of scaffolder. As skin moisturizer, agarose is adequate for percutaneous absorption. While, blueberry fruits extract possesses rich procyanidins and anthocyanins which show health benefits, anti-oxidant effect, anti-aging and anti-melanogenesis. Stability, sensory preference, skin trouble of the emulsion formula are important for cosmetic product development. In this study, we manufactured an emulsion formula for skin moisturizers using the two ingredients and tested emulsion stability and skin trouble. Total phenolic contents of the blueberry fruits extract were evaluated as well as tyrosinase inhibitory and collagenase inhibitory activities. $IC_{50}$ values of blueberry fruits extract for anti-tyrosinase and anti-collagenase activities were 168 and $112{\mu}g/mL$, respectively using gallic acid as a control ($64.8{\mu}g/mL$). The stability (pH and viscosity) of the formula containing 2% blueberry fruits extracts and 0.1% agarose was measured at five different temperatures (room temp., $25^{\circ}C$, $55^{\circ}C$, $45^{\circ}C$, $55^{\circ}C$) under the sun light at 2 day intervals for 12 days. There has been little pH change at the different temperatures. According to the sensory evaluation, there was no significant flavor, discoloration and physical changes of the formula at $25-65^{\circ}C$. These results suggest that emulsion formula containing blueberry extract and agarose could be used as a candidate for lotion and essence products.

• 한국의류학회지
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• 제23권8호
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• pp.1098-1109
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• 1999

This study was to examine the effects of textiles materials and wearing types on the thermal regulation responses of human, Cotton polyester wool silk and rayon were chosen as outerwears and acetate was selected as a lining. Blouse-skirt suits blouse-slacks suits and one-piece dress made of selected textiles were examined by human trials, Tests results were as follows ; 1 When subjects wore vlouse-slacks suits Tmsk was showed the highest value. There was a significant difference on Tmsk(p<0.05) when they wore one-piece dress. The temperature of microclimate inside clothing when subjects wore blouse-slacks suits showed the highest value and one-piece dress and then blouse-skirt suits in order. For blouse-skirt suits clothing without lining showed higher temperature of the back of microclimate inside clothing than clothing with lining except cotton(p<0.1) 2. There were no significant consistency of the increasing rates of thermal insulation of garment at fabric test and human trials among polyesterand silk.

• 한국의류학회지
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• 제12권1호
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• pp.81-91
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• 1988

The purpose of this study is to investigate the physiolosical responses and subjective wear sensation to the clothes with different cellulose composition. The experimental garments were four types of cellulosic fabrics, respectively composed of $100\%$-cotton, $100\%$-Rayon, cotton/Flax 85/15, and rayon/Flax 85/15 (weft blended), were sewn in blouses with half-length sleeves. Four healthy women were chosen for this experiment. The condition of the experimental room were in two environments: Temp., $25{\pm}1^{\circ}C$, R.H. $60{\pm}3\%$ and Temp., $30{\pm}1^{\circ}C$, R.H. $70{\pm}3\%$, and air velocity was maintained at 0.25 m/sec. The results are as follows. 1) At $25^{\circ}C$, rayon blouse showed the pleasantest feeling because of its excellent humidity sensation and tactile sensation. At $30^{\circ}C$, rayon and flax blended blouse showed most comportable sensation. In both environments, blouse of $100\%$ cotton showed the least pleasant because of high vapor pressure inside the blouse and bad tactile sensation. 2) Vapor pressure inside the blouse and tactile sensation play the most impotant role in comfort. Consequantly the blouse made of $100\%$-cotton which bring low air permeability, moisture regain and water vapor permearbility showed more unpleastness than rayon blouse because it raises temperature, relative humidity and vapor pressure inside the blouse under the hot circumstances In the conditions with much sweat, rayon and flax blended blouse with high stiffness increases comfort better than $100\%$ rayon because the former prevents sticking to the skin.

• 한국농촌생활과학회지
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• 제9권1호
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• pp.1-7
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• 1998

The purpose of this study is to investigate the effect of wearing sweat suit on sweating rate during jogging. 4 healthy female students served as subjects in the experimental chamber which was controlled 22$\pm$1$^{\circ}C$, 60$\pm$10%RH and no wind. The experimental clothes were Sweat Suit (SS) and General Suit (GE), SS was the product of R sports wear company which was consisted of long-sleeved jumper (100% polyester) and full length trousers (100% polyester) and GE were consisted of long sleeved shirt (100% cotton) and full length trousers (100% cotton). The subject wore same socks and shoes in both experimental clothes SS and GE. The subject reported at the experimental chamber at the same time on each experimental day. exchanged their clothes to the experimental clothes SS or GE, wore all sensors for the physiological measurements and had a rest in a sitting posture about 40 minutes. After rest, the subject carried out 30 min jogging on the tread mill with the speed 3.6miles/hour and during the jogging rectal temperature, skin temperatures (7 sites of the skin surface), heart rate, VO2, and evaporative weight loss were measured continuously and compared between two experimental clothes SS and GE. The major findings were as follows : The increase in rectal temperature during 30 min jogging was higher in experimental clothes SS than in GE and mean slim temperature kept higher in SS than in GE. VO2 and heart rate were a little bit higher in the later period of jogging in SS than in GE. The evaporative weight loss was greater in SS than in GE. These results indicate that the thermophysiological responses and sweating rate differs according to the wearing suit even though the subject performed same exercise.

• 한국수산과학회지
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• 제52권4호
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• pp.311-320
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• 2019

This study aimed to optimize mixing conditions (adding amount of squid skin and sea tangle Saccharina japonica) for concentrates of octopus Octopus vulgaris cooking effluent (COCE) and roasting conditions (temperature and time) of seasoned Laver Pyropia yezoensis with concentrates of octopus cooking effluent (SL-COCE) using response surface methodology (RSM). The results of RSM program for COCE showed that the optimum independent variables ($X_1$, squid skin amount; $X_2$, sea tangle amount) based on the dependent variables ($Y_1$, odor intensity; $Y_2$, amino-N content; $Y_3$, sensory overall acceptance) for high-quality COCE were 0.53% (w/w) for $X_1$ and 0.48% (w/w) for $X_2$ for uncoded values. The results of the RSM program for SL-COCE showed that the optimum independent variables ($X_1$, roasted temp.; $X_2$, roasted time) based on the dependent variables ($Y_1$, burnt odor intensity; $Y_2$, water activity; $Y_3$, sensory overall acceptance) for high-quality SL-COCE were $344^{\circ}C$ for $X_1$ and 8 sec for $X_2$ for uncoded values. The SL-COCE prepared under optimum procedure was superior in sensory overall acceptance to commercial seasoned laver.

• 동의신경정신과학회지
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• 제17권1호
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• pp.107-120
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• 2006

Objective : The purpose of this study is to learn the effects of Musimgigong supine position Doyin-therapy (MGSDT) on the autonomous nervous system (ANS) and musculoskeletal system (MSS), and to know how much MGSDT is useful for relaxing the human body. Methods : Eight oriental medical doctors participated in the experiment, who have trained Musimgigong for 6 years or more. Before and after applying MGSDT, we measured BVP/HR, respiration rate, peripheral temperatures, skin conductance, and EMG, using Procomp Infinity and Biograph Infinity of Thought Technology Ltd Results and Conclusions : 1. After the treatment, the participants in MGSDT group reported that they felt refreshed and relaxed. 2 By analyzing the measured data, we observed significant difference in respiration rate(p=.026<.05) and SC(p=.013<.05) before and after applying MGSDT. We also observed relaxing effect in BVP/HR, EMG, but was not significant. On the other hand Temp was stressed but was not significant. Conclusion is that MGSDT can be considered to have an effect on relaxing ANS. Therefore MGSDT could have useful clinical effect to autonomic imbalance.

• 한국식품과학회지
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• 제14권4호
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• pp.291-300
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• 1982

시판계육(市販鷄肉)의 유통기간(流通期間)을 연장(延長)시키기 위(爲)한 보다 간편하고 효율적(效率的)인 위생처리방법(衛生處理方法)을 연구(硏究)하기 위(爲)하여 위생처리제(衛生處理劑)로서 $Cl_2$, $ClO_2$, potassium sorbate, acetic acid, succinic acid, aureomycin, neomycin, $Cl_2+potassium sorbate$, $Cl_2+acetic acid$ 및 $Cl_2+succinic acid$ 등(等)을 사용(使用)하여 dipping 및 spray 두가지 방법(方法)으로 위생처리(衛生處理)를 한 후(後) polyvinylidene chloride 및 polyethylene으로 포장(包裝)하여 $3{\sim}4^{\circ}C$의 냉장온도(冷藏溫度) 및 $10{\sim}20^{\circ}C$의 실온(室溫)에서 저장(貯藏)하면서 각위생처리제(各衛生處理劑)의 종류(種類) 및 농도(濃度), 위생처리방법(衛生處理方法), 포장(包裝) 및 저장온도등(貯藏溫度等)이 계육(鷄肉)의 shelf-life에 미치는 영향(影響)에 관(關)하여 연구(硏究)한 결과(結果)를 요약(要約)하면 다음과 같다. 1. 생계표피(生鷄表皮)에는 미생물(微生物)들이 오염(汚染)되어 있으나, 이들의 대부분(大部分)은 침탕(浸湯) 및 털뽑기 과정중(過程中)에 제거(除去)내지는 사멸(死滅)되고 도계최종단계(屠鷄最終段階)에 계육표면(鷄肉表面)에 존재(存在)하는 미생물(微生物)들의 대부분(大部分)은 세정(洗淨) 및 냉각수(冷却水)로부터 오염(汚染)된 것들로서 보다 효과적(效果的)인 위생처리(衛生處理)를 위(爲)해서는 세정수(洗淨水) 및 냉각수(冷却水)가 가급적 미생물(微生物)에 의(依)한 오염(汚染)이 적어야 shelf-life가 연장(延長)될 수 있다. 2. 도계최종단계(屠鷄最終段階)에 계육표피(鷄肉表皮)에 존재(存在)하는 미생물(微生物)들의 총생균수(總生菌數)는 $3.5{\times}10^4/cm^2$, coliform 수(數)는 $400/cm^2$ 내외(內外)였으며 salmonella는 거의 검출(檢出)되지 않았다. 비록 생계(生鷄)에서 salmonella가 검출(檢出)된 경우라 할지라도 침탕과정(浸湯過程)을 거치는 동안 사멸(死滅)되는 것으로 나타났다. 3. 위생처리방법(衛生處理方法)으로서는 dipping 법(法)에 비(比)하여 spray 법(法)이 다소(多少) 효율적(效率的)이었으며 dipping 법(法)의 경우 대부분(大部分)의 위생처리제(衛生處理劑)에 있어서 5분간(分間)의 침적(沈積)으로서 spray 법(法)에서는 1l/bird 정도(程度)의 분무(噴霧)로서 충분(充分)한 위생처리효과를 얻을 수 있었다. 4. 위생제처리후(衛生劑處理後) $3{\sim}4^{\circ}C$의 냉장온도(冷藏溫度)에 저장(低張)할 경우 control에 비(比)하여 $Cl_2$는 30 ppm 처리(處理)로서 1주간(週間), $ClO_2$는 10 ppm 처리(處理)로서 10일(日), potassium sorbare는 5% 처리(處理)로서 14일(日), acetic acid는 4% 처리(處理)로서 8일(日), succinic acid는 1% 처리(處理)로서 6일(日), aureomycin 및 neomycin은 10 ppm 처리(處理)로서 10일(日), $Cl_2$ 30 ppm+potassium sorbate 5% 처리(處理)로서 2일(日), $Cl_2$ 30 ppm+acetic acid 4% 처리(處理)로서 16일(日), $Cl_2$ 36 ppm+succinic acid 1% 처리(處理)로서 12일(日) 정도(程度) shelf-life를 연장(延長)할 수 있다. 그러나 $10{\sim}20^{\circ}C$의 실온(室溫)에 저장(貯藏)할 경우에는 대부분(大部分)의 위생제처리(衛生劑處理)로서 $1{\sim}2$일(日) 정도 shelf-life를 연장(延長)할 수 있었다. 5. 위생제처리후(衛生劑處理後) 저장(貯藏) 포장(包裝)한 후(後) 저장(貯藏)하는 것이 포장(包裝)하지 않고 저장(貯藏)하는 것에 비(比)하여 연장(延長)되었으며, 포장재료(包裝材料)로서는 산소(酸素)의 투과성(透過性)이 거의 없는 polyvinylidene chloride가 polyethylene에 비(比)하여 보다 효과적(效果的)이었으며, $Cl_2$ 30 ppm과 potassium sorbate 5%의 연속처리후(處理後) polyvinylidene chloride로 포장(包裝)하여 $4^{\circ}C$에 저장(貯藏)할 경우 약(約) 40일정도(日程度) 부패(腐敗)없이 저장(貯藏)이 가능(可能)하였다.