• Title/Summary/Keyword: peeling methods

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Determination of Optimum Cutter Shape for Peeling Altari Radish (알타리무 삭피용 최적 칼날형상의 구명)

  • 민영봉;김성태;강동현;정태상
    • Journal of Biosystems Engineering
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    • v.28 no.5
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    • pp.421-428
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    • 2003
  • This study was conducted to determine the optimum blade shape for peeling Altari radish. To figure out the required peeling force according to various angles of blade and rakes of peeling cutter, two peeling tests such as circumferential peeling and longitudinal peeling of Altari radish were carried out. Based on the pretest results, which performed to investigate the applicability of the optimum shape of cutter and to find out the cutting pattern according to the lapse of days after harvesting the radish, the peeling depth and width of the blade were fixed at 2 mm and 10 mm. From two methods of circumferential and longitudinal peeling test, the angles of rake and blade as cutter shape factors were affected on peeling force. But the peeling speed was not affected on it under the safety speed as 0.2 m/s, without blade vibrating on peeling operation. The rake angle was more effective factor than the blade angle, and the optimum angles of blade and rake were 10$^{\circ}$ and 55$^{\circ}$ respectively. The cutting surface by the longitudinal peeling was more smooth than that by the circumferential peeling. There was no problem in peeling work during 4 days after harvest because the freshness of the Altari radish was maintained.

Correlation between Physicochemical Properties and Peeling Ratio of Korean Chestnut (밤 내피 및 외피의 이화학적 특성 및 박피율과의 상관분석)

  • Hwang, Ja-Young
    • Korean journal of food and cookery science
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    • v.33 no.2
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    • pp.190-197
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    • 2017
  • Purpose: The purpose of this paper was to analyze the physicochemical properties related to peeling rate of Korean chestnut. Methods: Analyses were carried out for weight, thickness, polyphenol, amino acid and peeling ratio for Korean chestnut. The correlation between these physicochemical components and peeling ratio of chestnut was measured. Results: The average of thickness for inner shell and outer shell was 0.66 mm and 0.93 mm, respectively. The average peeling ratio was 77.51%. A significant negative correlation was found between peeling ratio and thickness of the inner shell ($r=-0.80^{***}$, p<0.001). Analysis for the polyphenol composition of inner shell by HPLC was carried out and peaks 2 ($r=-0.56^*$, p<0.05), 11 ($r=-0.68^{**}$, p<0.01), 14 ($r=-0.52^*$, p<0.05), 28 ($r=-0.66^{**}$, p<0.01) showed a significant negative correlation with the peeling ratio. Conclusion: Thickness of chestnut inner shell was determined as the most influential factors of peeling.

Peeling Device of Chonggag Radish for Kimchi Processing (김치용 총각무 삭피장치)

  • Min, Y.B.;Kim, S.T.;Chung, T.S.;Moon, S.D.;Moon, S.W.
    • Journal of Biosystems Engineering
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    • v.31 no.5 s.118
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    • pp.403-409
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    • 2006
  • This study was performed to design a peeling device for root crop that were considered of the three possible types such as blade belt type, brush type, and rotating blade type, and to inspect the characteristics of the experimented peeling methods based on the chonggag (altari) radish tests. The peeling performances by the blade belt type and brush type devices were not established so well with the troublesome like adhesion of the chip on the blades was occurred, and the difficulties to produce the blade parts were come out on these types of the peeling devices. But the peeling operations by the rotating blade type peeling device was completed without needs to clean blades, and it was concluded that it would be possible to practical mechanization of the root crop which shaped similar chonggag radish for it's constructional simplicity and feasibility.

Quality Characteristics of Potato and Sweet Potato Peeled by Different Methods (박피방법에 따른 감자 및 고구마의 초기 품질 비교)

  • Jeong Jin-Woong;Park Kee-Jai;Jeong Seong-Weon;Sung Jung-Min
    • Food Science and Preservation
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    • v.13 no.4
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    • pp.438-444
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    • 2006
  • This study was carried out to obtain fundamental data such as peeling efficiency and quality of potatoes and sweet potatoes peeled by hand, machine and alkali(NaOH). The weight loss by peeling was influenced by peeling methods. Weight losses by rotational brushing-type peeler showed the lowest value, 7.9% in potato, and 7.3% in sweet potato. Any significant differences in moisture content were not found in potatoes and sweet potatoes by peeling methods. The pH of potatoes and sweet potatoes just after peeling were 5.8-6.8 and 6.23-6.63, and decreased somewhat until 3 hrs after peeling. Hardness of potatoes and sweet potatoes peeled by hand with fruit knife were better than that of others. Depending upon the peeling method used the color and color differences undergo some changes in their color and browning. Color difference value of peeled potatoes by hand with a technical tools, and by mechanical peeler such as rotational cutting-type peeler and rotational brushing-type peeler showed just slightly. In particular, changes of rotor differences value of potatoes and sweet potatoes peeled by dipping with 10% NaOH solution at $100^{\circ}C$ was the highest in the samples peeled by NaOH.

Peeling Operations of Root Vegetables: Potato, Sweet Potato and Carrot (근채류(감자, 고구마, 당근)의 탈피조작)

  • Lee, Cherl-Ho;Lee, Soon-Woo
    • Korean Journal of Food Science and Technology
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    • v.16 no.3
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    • pp.329-335
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    • 1984
  • The effect of peeling methods, spherecity and weight of potatoes and carrots on the peeling efficiency were investigated. The changes in the surface texture by peeling were estimated by Rheometer and were related to the changes in the microstructure. The optimum mechanical peeling conditions using abrasion type rotary peeler were 90 sec. at 300 rpm for potatoes, 70 sec. at 300 rpm for sweet potatoes and 60 sec. at 300 rpm for carrots. The peeling loss was influenced by the sphericity and weight of the sample. The optimum conditions for alkali peeling were 90 sec. immersion in boiling 10% NaOH solution for potatoes, 300 sec. in boiling 10% NaOH solution for sweet potatoes and 60 sec. in boiling 6% NaOH solution for carrots. Severe damage of surface structure was noticed by alkali peeling, demonstrated by denaturation of starch granules in the cell. The structural damage observed by microscope was related to the reduction of cutting force after peeling.

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Effect of Ripening and Peeling Methods on Composition and Quality of Canned Freestone Peaches

  • Chung, J.I.;Luh, B.S.
    • Korean Journal of Food Science and Technology
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    • v.4 no.1
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    • pp.6-12
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    • 1972
  • Fay Elberta freestone peaches were harvested at four maturity levels as judged by skin color and firmness. They were ripened at $68^{\circ}F$ under 80 percent relative humidity for 4, 6, 8 and 10 days respectively prior to canning. Results indicate that both harvest maturity and ripening conditions are important factors influencing quality, flavor and composition of canned freestone peaches. Peaches harvested at $18{\sim}24$ pounds on a Magness-Taylor pressure tester with a 7/16' plunger(M1) failed to ripen satisfactorily. Fruits harvested at $13{\sim}17$ pounds (M2) pressure test ripened successfully at $68^{\circ}F$ within 6 to 8 days; and those harvested at 6 to 12 pounds (M3) needed 4 days for ripening at $68^{\circ}F$. Tree-ripened fruits (M4) were undesirable for canning because of the high percentage of bruised fruits. The optimum firmness for canning appears to be in the range of 1.5 to 3.0 pounds. The titratable acidity of peaches decreased during maturation and ripening. The tannin content of peaches at M1 maturity decreased with ripening at $68^{\circ}F$. But no appreciable change was observed in the M2 and M3 series which were ripened at $68^{\circ}F$ for 4 to 10 days. The volatile reducing substances (V.R.S.) increased as the peaches developed on the tree and also during post-harvest ripening. The effect of harvest maturity and post-harvest ripening on color grade of the canned peaches is presented. Little difference was found in the flavor and composition of peaches peeled by the cup-down lye peeling and the steam-peeling methods. The cup-down lye-peeling method might be most advantageous because of its higher peeling efficiency.

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Quilitative certificational plan of shanyao (산약(山藥)의 품질인증(品質認證) 방안(方案))

  • Cho, Eun-Hawn;Roh, Seong-Soo;Kil, Ki-Jeong;Seo, Bu-il;Seo, Young-Bae
    • Journal of Haehwa Medicine
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    • v.13 no.2
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    • pp.187-196
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    • 2004
  • Now many sustitution and false articles is used in korea instead of shanyao. To use shanyao correctly, we will make a quilitative certificational plan of shanyao to investigate all of lieraturea, records and documents. And we could reach conclusions as folloews. 1) Source About a source of shanyao, though korea and china has a each other source, we think there is no problem in use of both. 2) Process In our country producing shanyao as medical use is a 'duanma', we can divide into peeling and non-peeling, drying at bulks and at briquets, steaming shanyao and fresh shanyao. Regardless of existence for peeling and steaming, a distributing shanyao is received a proper judgment. Like this result was expressed by insufficiency of standards about medical components or indicating components. We detected a reminding S02 more than 10 ppm. And this expresses that there ia a problum at a drying method. To suggest proper processing methods, a standard of quility will have to be made which the existence of peeling, difference of quility between 'changma' and 'duanma', drying method and exudation test with cutted thickness are adaptable. Besides, 'maoshanyao' and 'guangshanyao' of china is processed by various methods which decrease a medical effect such as too much soaking shanyao in water, steaming with a sulfur, too much peeling, So we must process shanyao like the next methods. (1) When harvesting, dig deeply not to cut off roots. (2) Not to peel, wash shanyao in a washing machine. (3) Dry to 50-60% degree at sunny place or drying machine. (4) To be easy for drying and exudation, cut off a thick piece with 5 mm (5) Dry perfectly at ding machine. 3) Quality3) Quality (1) Functional standards It is not Proper that 'guangshanyao' is used in china because it has a problem with quility on process of working, If they did not soak shanyao in water or heat with steam, it is the real situation that they cannot cutt off shanyao evenly. In conclusion, shanyao must be heavy, powdery with a perfectly non-peeling surface, section surface is yellow-white color, unequal and has no holes. (2) Physicochemical standards It is the real situation that we can not distinguish into quility of shanyao with established test because various workings which decrease medical effects is used. Therefore we suggest a testing standard of S02 which is used in bleaching. And testing standards relatived with decrease of medical effects must be established at once. It must that Dry on loss is less than 14.0%, content of ash is less than 6.0%. Content of acid-nonsoluble ash is less than 0.5%. Contens of heavy metal has to detect less than 30 ppm and there is no reminding agricultural medince.

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A Clinical Report of Sasang Constitutional Prescription Treatment on 81 Acne Patients (사상(四象) 처방(處方)으로 치료한 여드름 환자 81례의 임상보고(臨床報告))

  • Tak, Mi-Jin;Tark, Myoung-Rim;Yoon, Hwa-Jung;Ko, Woo-Shin
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.22 no.2
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    • pp.210-222
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    • 2009
  • Objectives : This study is to investigate the effect of the sasang constitutional prescription with peeling and MTS on Acne patients. Methods : We treated 81 acne patients with sasang constitutional prescription with peeling and MTS. After treatments we compared the before and after photos, and estimated by Korean Acne Grading System. Results & Conclusions : 1. Patients were comprised of 59 females and 22 males. And there were 30 adolescent and 51 postadolescent acne patients. Out of 81 acne patients, there were many 41 postadolescent female acne patients. 2. Sasang constitutional distribution was comprised of 74 Soyangin, 5 Soeumin and 2 Taeeumin 3. Yangkyuksanhwa-tang(48.1%) and Yangdokbackho-tang(40.7%) were used much in 81 acne patients. 4. Before the treatment, 92.3% of Yangkyuksanhwa-tang group and 63.6% of Yangdokbackho-tang group had mild acne symptom and acne grade mean of Yangdokbackho-tang group was higher than another groups. 5. Peeling times mean of 81 acne patients was 2.54 times and MTS times mean was 4.57 times. Acne grade was improved when peeling times were higher. 6. Before the treatment, 81 acne patients were comprised of 81.5% mild symptom and 18.5% severe symptom patients and acne grade mean was 2.75. After the treatment. there were only mild symptom patients and acne grade mean was 1.04.

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A Seven Cases of Treating Atrophic Acne Scar with Subcision, Microneedle Therapy System and Herbal Peeling Therapy (절개침과 미세피부침, 약초필링을 이용한 위축성 여드름 흉터 치료 7례 임상보고)

  • Hyun-Seong Kim;Kyeong-Won Park;Yun-Jo Lee;Sang-Ok Choi;Ju-Young Jeong;Hyun-Jun An;Chung-Hee Lee;Chul-Hee Hong
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.36 no.3
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    • pp.140-149
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    • 2023
  • Objectives : The purpose of this study is to present the effect of subcision, microneedle therapy system and herbal peeling therapy which is treatment of Korean medicine to atrophic acne scar patients. Methods : We administered subcision, microneedle therapy system and herbal peeling therapy to atrophic acne scar patients and tested the results by Qualitative Global Acne Scarring Grading System and Korean Acne Grading System as well. Results : After the treatment, all of the patients showed improvements in Qualitative Global Acne Scarring Grading System and Korean Acne Grading System as well. Qualitative Global Acne Scarring Grading System of patients changed from grade 2.71±0.71 to grade 1.14±0.86 along with the change of Korean Acne Grading System from grade 1.57±0.57 to grade 1.00±0.00. Conclusions : Subcision, microneedle therapy system and herbal peeling therapy may be effective in the treatment of moderate to severe acne scars, and could be applied in clinical practice.

Effects of Root Diameter and Peeling Methods on Drying Time and Paeoniflorin Content of Paeonia Lactiflora Pallas (작약(芍藥)의 뿌리굵기와 각피(刻皮)정도가 건조시간 및 품질에 미치는 영향)

  • Kim, Ki-Jae;Park, Chun-Hong;You, Oh-Jong;Shin, Jong-Hee;Park, So-Deuk;Choi, Boo-Sull
    • Korean Journal of Medicinal Crop Science
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    • v.6 no.1
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    • pp.38-43
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    • 1998
  • This experiment was carried out to gather basic information for improvement of peeling methods in peony (Paeonia lactiflora) roots which have been used for medicinal resources in Korea. Drying time required was shortened in thin root. Optimum drying time after machine peeling appeared to be 20 hrs in 5 to 10mm of root diameter, 39 hrs in 10 to 15mm, 48 hrs in 15 to 20mm, 56 hrs in more than 20mm, but those of unpeeled roots took 11 hrs in 5mm of root diameter and 4 hrs in exposed parent material. Paeoniflorin content in dried roots after peeling was lower than that of unpeeled root. Paeoniflorin content in root below 5mm in diameter was highest (6.15 %) and that was decreased in the increased root diameter up to 20mm, but it was slightly increased in root greater than 20mm in diameter.

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