[논문]덕구온천수로 제조된 바디로션의 관능평가

김소정; 강민경; 이택견

doi:10.5762/kais.2019.20.4.420

덕구온천수로 제조된 바디로션의 관능평가
Sensory evaluation of a body lotion formulated with hot spring water from Deokgu, Korea 원문보기

한국산학기술학회논문지 = Journal of the Korea Academia-Industrial cooperation Society, v.20 no.4, 2019년, pp.420 - 427

김소정 (경북해양바이오산업연구원) , 강민경 (한국해양과학기술원 생태위해성연구부) , 이택견 (한국해양과학기술원 생태위해성연구부)

초록
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이 연구의 목적은 바디로션 제조 시 화장품 첨가제로서의 덕구온천수를 평가하기 위함이다. 주요 수용성 구성성분으로서의 온천수의 적합성을 시험하였다. 온천수의 미생물 및 화학적 안전성 시험이 수행되었다. 대장균을 비롯한 미생물은 검출되지 않았거나 검출한도 이하로 검출되었으며, 유해한 중금속은 전혀 검출되지 않았다. 온천수의 세포독성이 평가되었으며, 온천수의 pH 변화를 3달 동안 측정하였다. 또한 덕구온천수 및 증류수로 제조된 바디로션에 대해서 관능시험을 수행함으로써 소비자의 적합성을 관능특성 분석을 통하여 평가하였다. 증류수로 제조된 바디로션보다 온천수를 사용한 바디로션을 피부에 적용하였을 때, 피부보습, 피부트러블 및 피부 장벽강화가 증진되었다. 종합해 보았을 때, 이 연구의 결과는 화장품 제조에 있어서 온천수를 사용하는 것은 화장품의 효능을 증진시킬 수 있음을 보여 준다.

Abstract ▼ AI-Helper

The purpose of this study was to evaluate hot spring water (HSW) from Deokgu as a cosmetic ingredient in the preparation of a body lotion. The HSW was tested for its suitability as an aqueous-phase main component. Microbiological and chemical stability tests of the HSW were carried out. Microorganisms including E. coli were not detected or detected below the detection limits, and no harmful heavy metals were found. The cytotoxicity of the HSW was also considered, and its pH determined over a period of three months. Further, sensory characteristics were assessed for consumer acceptance by performing sensory tests on body lotions formulated using either Deokgu HSW or distilled water. Skin moisturization, irritation and tension reinforcement were found to be enhanced when using the HSW lotion rather than that formulated with distilled water. Taken together, the results of this study show that the use of HSW in cosmetic formulations contributes to the efficacy of these products.

주제어

표/그림 (7)

표 Table 1. Body lotion composition containing Deokgu HSW
표 Table 2. Evaluation of heavy metal and total microbes in the body lotion containing Deokgu HSW
그림 Fig. 1. The pH changes of Deokgu HSW for 3 months
그림 Fig. 2. Cytotoxicity test of Deokgu HSW with 100% ethanol as the positive control. Data are expressed as means ± SE and obtained from triplicate experiments. * denotes significant difference compared with the controls (p <0.05).
그림 Fig. 3. Effect of the body lotion formulated with Deokgu HSW on skin moisturization (A) and improvement over time (B). Data are expressed as the average of three of five test results (i.e. excluding maximum and minimum scores). * denotes significant difference compared with the controls (p <0.05).
그림 Fig. 4. Effect of body lotion formulated with Deokgu HSW on skin tension reinforcement. Data are expressed as the average of three of five results (i.e. excluding maximum and minimum scores); * denotes significant difference compared with the controls (p <0.05).
표 Table 3. Skin irritation test of body lotion formulated with Deokgu HSWs.

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문제 정의

The purpose of this study was to evaluate the safety, stability and cytotoxicity of Deokgu HSW and its applicability as a cosmetic ingredient. A body lotion containing the HSW was also prepared and a sensory evaluation (skin moisturization, skin irritation and skin tension reinforcement) conducted to analyse potential consumers’ preferences.
As a result, food and cosmetics that contain natural ingredients have been steadily gaining popularity, and so the need for research to meet these consumer needs is increasing. The purpose of this study was to investigate the applicability of Deokgu HSW as a cosmetic additive, in order to expand the range of applications of HSW.

제안 방법

Changes in the pH at 4°C and 25°C were measured to evaluate the stability of Deokgu HSW (Fig. 1).
In this study, two body lotions-one formulated with Deokgu HSW, the other with purified water-were carefully prepared (see Table 1 for the composition of the HSW body lotion). Sensory evaluation was then conducted on untrained female volunteers between the ages of 18 and 55 years to determine potential consumers’ preferences-women being the main users of body lotions [16,17].
The body lotion formulated with Deokgu HSW was used by 21 subjects for two and four weeks, and its effect evaluated using a questionnaire. We investigated whether adverse reactions such as erythema, oedema, scaling, itching, stinging, burning, tightness and prickling occurred with use of the test product.
Subjects were selected for the study according to selection and exclusion criteria. The skin condition of the subjects was checked, and then a device evaluation was performed. The test site was the upper arm area of the subject.
The skin irritation test consisted of a visual inspection and a questionnaire on the degree of irritation to the skin after using the body lotion. This was carried out on the 21 subjects who had used the HSW body lotion for four weeks.

대상 데이터

Dulbecco's Modified Eagle Medium (DMEM) medium (100 μL) was dispensed into each well and 10 μL of HSW was added to the test group.
The effects on the skin moisturization of the resulting body lotion formulated with Deokgu HSW were compared with that of a body lotion formulated with purified water. The skin moisturizing effect was tested on 21 subjects. All the subjects were female, their average age being 44.
The test site was measured using a corneometer (CM825, Courage and Khazaka Electronic Co., Germany). After a minimum of five tests, the mean values of three measurements-that is, excluding the maximum and minimum values-were recorded.
The skin irritation test consisted of a visual inspection and a questionnaire on the degree of irritation to the skin after using the body lotion. This was carried out on the 21 subjects who had used the HSW body lotion for four weeks. The results showed that erythema, oedema, scaling, itching, stinging, burning, tightness and prickling did not appear in any of the subjects (Table 3).

성능/효과

Changes in skin moisturization following application of the body lotion were then measured and improvement in moisturization analysed. After two weeks of treatment with the HSW or purified water body lotion, skin moisture was measured as 77.58 AU and 76.92 AU, respectively; this was not a statistically significant difference. After four weeks of treatment, skin moisture values with the HSW and distilled water body lotions were 78.
Improvements in transepidermal water loss (TEWL) after one week of treatment were recorded as 90.72 ± 3.99 % and 91.72 ± 4.69 % for the purified water lotion and HSW lotion, respectively; after two weeks, the respective figures were 94.92 ± 3.08 % and 96.79 ± 2.14 % (Fig. 4).
4) were verified when sensory evaluation was performed. In conclusion, the use of Deokgu HSW in cosmetic formulations appears to be beneficial not only in terms of marketing but also in terms of efficacy.
This was carried out on the 21 subjects who had used the HSW body lotion for four weeks. The results showed that erythema, oedema, scaling, itching, stinging, burning, tightness and prickling did not appear in any of the subjects (Table 3).
These results show that the body lotion containing Deokgu HSW made a statistically significant improvement to skin moisturization compared with the body lotion containing distilled water (p <0.05).
When TEWL improvements in the two lotion test groups were compared, a statistically significant improvement effect of skin barrier function was found for the HSW lotion following two weeks of treatment (p <0.05).

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