• Title, Summary, Keyword: rice snack

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Antioxidative and Physical Characteristics of Rice Germ added Sweet Pumpkin Rice Snack for Infants (영아용 쌀눈 첨가 단호박 쌀 스낵의 항산화적 물리적 특성)

  • Wu, Xiubao;Kim, Eunkyung;Choi, Kunyoung;Kim, Haeyoung
    • Journal of the Korean Society of Food Culture
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    • v.33 no.1
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    • pp.62-69
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    • 2018
  • The purpose of this study was to investigate the antioxidative and physical properties of finger food type rice snacks and pumpkin rice snacks for infants aged 6 to 12 months old. The addition of rice germ did not affect density or porosity, and there was no significant difference when compared with commercial products. The addition of rice germ to the rice snack group did not reduce the longitudinal expansion quality of the rice snack. The WAI of RW and SW values were 9.83 and 8.93, respectively, which were significantly higher than those of other samples (p<0.05). The results of this study show that the addition of rice germ to rice snack resulted in reduced density and porosity of rice snacks and maintenance of a high water absorption index, which are more desirable characteristics for products. The products with rice germ showed significantly higher antioxidative activities among all samples (p<0.05).

Evaluation for Anti-Inflammatory Activities of Rice and Rice Snack Extracts: An In-vitro Study (쌀과 쌀과자 추출물의 in-vitro test를 통한 항염증 활성 효과 평가)

  • Baek, Hyun-Hwa;Yu, Ok-Kyeong;Byun, Moon-Sun;Cha, Youn-Soo
    • Journal of the Korean Society of Food Culture
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    • v.30 no.6
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    • pp.797-803
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    • 2015
  • Atopic dermatitis (AD) is usually caused by foods such as wheat, egg, milk, and peanuts, leading to common health problems in early childhood with complications like urtication. The aim of this study was to evaluate ethanol extracts of rice and rice snacks concentrated until the ethanol was completely eliminated and hot-air dried. In vitro analyses were carried out using murine macrophage RAW 264.7 cells. We measured cytotoxicity, nitric oxide (NO) production, and inflammatory cytokine level. The NO level of the cells exposed to lipopolysaccharide (LPS) was significantly reduced by rice and rice snack extracts. $TNF-{\alpha}$ level decreased in contrast to the LPS group, although a significant difference was not observed. On the other hand, IL-6 significantly decreased in both rice and rice snack extracts in a dose-dependent manner. The results of the present study suggest that rice and rice snack decreased NO and inflammatory cytokine levels. Therefore, rice could be useful as a raw material for relieving child atopic dermatitis caused by snacks made from wheat.

Development of Rice Flour-based Puffing Snack for Early Childhood (쌀가루를 이용한 영유아용 팽화스낵 가공 적성 연구)

  • We, Gyoung Jin;Lee, Inae;Cho, Yong-Sik;Yoon, Mi-Ra;Shin, Malshick;Ko, Sanghoon
    • Food Engineering Progress
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    • v.14 no.4
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    • pp.322-327
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    • 2010
  • Wheat is widely used in food industry because of its low price, convenience, protein-rich resource, easy processibility, and so on. However, people who have wheat-gluten allergy need gluten-free products. Especially, gluten-free products are desirable to early childhood even though they may or may not be sensitive to wheat-gluten. As the alternative of wheat flour, recently, rice flour is gaining popularity. Hence, we developed the puffed rice snack for the baby. In order to prepare for rice extrudate, 1 kg rice flour, 450 g water, and 6 g salt were mixed together and then steamed for 1 hr. The rice extrudate was shredded into pieces (0.5 cm${\times}$0.5 cm) and dried up to 4.5% moisture content. The dried rice shreds were puffed at $257^{\circ}C$ in a puffing machine. The puffed rice snack was oval-shaped having thickness of 0.5 cm, white in color with brown flakes. Appearance and texture of the puffed rice snacks were evaluated by the measurement of the texture, isothermal water absorption, expansion, and the color. Puffed rice was more porous, because rice increased up to about two times larger than its original volume. Texture of the rice puffing snack was suitable for early childhood. Rice puffing snack showed potentials including soft, low-allergenic, and easily digestible properties. It is concluded that rice puffing snack has potential in the food markets for early childhood.

Sensory and Microbial Characteristics of a Rice Processed Snack using Sweet Pumpkin Powder for Infants (단호박 분말 첨가 영아용 쌀 가공 스낵의 관능적 미생물적 품질 특성)

  • Kim, Eunkyung;Wu, Xiubao;Choi, Kunyoung;Kim, Haeyoung
    • Journal of the Korean Society of Food Culture
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    • v.33 no.3
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    • pp.261-267
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    • 2018
  • The sensory characteristics of a rice processed snack for 6 to 12 month old infants were investigated. The microbiological safety of all samples was also tested. The moisture content of snack of the SW snack was 6.33 significantly higher than in the other snacks (p<0.05). The sensory intensities of RW were highest in glossiness brightness, uniformity, sweet aroma, savory flavor, sweet flavor, chewiness and crispiness. In the; consumer acceptance test, RW showed significantly higher glossiness, uniformity, sweet aroma, savory flavor, sweet flavor, rancid, chewiness, adhesiveness, crispiness and overall acceptance than the other snacks (p<0.05). The aerobic plate counts were negative in all the samples tested. E. coli and pathogenic microorganisms tests were also negative or not detected, showing that all the samples tested were microbiologically safe according to the food code which applies to food manufacturers. Overall, potentially high value products of rice processed snacks for 6 to 12 month old infants were developed and tested They are expected to be utilized and in the competitive and growing infant food industry.

Optimization of the Preparation of Rice Snack by Response Surface Methodology (반응표면분석법을 이용한 쌀과자의 제조 최적화)

  • Choi, Ok Ja;Jung, Hee Nam;Kim, Young Doo;Shim, Jae-Han;Kwak, Sang Ho;Shim, Ki Hoon
    • Korean journal of food and cookery science
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    • v.30 no.4
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    • pp.454-462
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    • 2014
  • This study aimed at the optimization and development of rice snack by response surface methodology (RSM). The effect of rice soaking time and additional ratio of soybean milk on physicochemical properties and sensory evaluation of dried rice flour for non-fried snack was studied. After soaking for 0 to 12 days, Baekjinju rice was milled and then air-dried. A quadratic model was selected for weight, volume, hardness, taste and appearance. Two-factor interaction model was selected for expansibility, color and overall preference. A linear model was selected for yellowness and flavor. Weight, hardness and appearance were increased and decreased thereafter as rice soaking time increased, but the volume was reversed. Expansibility, color, taste and flavor were decreased as rice soaking time increased, but yellowness was reversed. Weight and overall preference decreased as additional ratio of soybean milk increased, but volume, expansibility and yellowness were reversed. Hardness, taste and appearance were increased after initial decrease as additional ratio of soybean milk increased, color and flavor were not changed by additional ratio of soybean milk. The optimum conditions of each factor were set to where the rice soaking time and additional ratio of soybean milk were at their minimum. Weight, volume, expansibility, yellowness, hardness, color, taste, flavor, appearance and overall preference were established at maximum level where the objective of the optimum was in level. Our data indicated the statistically predicted values of the highest desirability was 1.24 day of rice soaking time and 15.80% of additional ratio of soybean milk.

A study of optimization of non-fried rice snack using Baekjinju rice flour (백진주 쌀가루를 이용한 비유탕 쌀과자 제조조건의 최적화 연구)

  • Choi, Ok Ja;Jung, Hee Nam;Kim, Young Doo;Shim, Jae-Han;Shim, Ki Hoon
    • Korean Journal of Food Preservation
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    • v.20 no.6
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    • pp.810-817
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    • 2013
  • This study investigated the properties of rice snack puffed in a microwave oven after drying its dough according to Baekjinju soaking time and additional soybean milk. The optimum conditions for the non-fried rice snack using Baekjinju wetted flour were determined through the design of an experiment using response surface methodology. The independent variables were the Baekjinju soaking time and the additional soybean milk, and the dependent variables were the weight, volume, density, expansibility, Hunter's color value, hardness, and sensory properties. The quadratic model was chosen for the weight, density, expansibility, b value, and hardness. The two-factor interaction model was chosen for the volume, flavor, appearance, and overall preference. The linear model was chosen for the L value, taste, and texture. The weight was increased to longer than 11.26 days with the increase in the rice soaking. The volume, expansibility, L value, and b value increased with the increase in the rice soaking time and in the additional soybean milk ratio. However, the density was decreased was in reverse. The hardness increased most, with the rice soaking time rising from 5.28 to 8.53 days and the soybean milk additional ratio increasing from 5.34 to 20.26%. The sensory properties improved as rice soaking time decreased, and the soybean milk additional ratio was revered. As for the desirability, the optimal formulation of the dough of non-fried rice snack was achieved by mixing 200 g of Baekjinju flour with a 0.69 days rice soaking time and a 26.67% soybean milk of rice ratio according to weight.

Preparation and Keeping Quality of Snacks Prepared from Rice Oryza sativa and Dried Oyster Crassostrea gigas (마른 굴(Crassostrea gigas) 첨가 쌀(Oryza sativa) Collet을 이용한 Snack의 제조 및 저장안정성)

  • Kang, Kyung-Hun;Je, Hae-Soo;Park, Si-Young;Kang, Young-Mi;Lee, Jae-Dong;Seoung, Tae-Jong;Park, Jin-Hyo;Kim, Jeong-Gyun
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.49 no.6
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    • pp.750-757
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    • 2016
  • This study investigated the quality, sensory characteristics and commercial potential of a rice snack prepared with dried oyster. Mild and spicy versions of the snack were produced using an oil coating and a mixed seasoning powder coating, respectively. The approximate compositions of the mild snack and spicy snack were 5.13% and 4.78% moisture, 8.92% and 8.94% crude proteins, 17.58% and 20.35% crude lipids, 1.88% and 1.87% ash, and 2% and 1.8% salt, with water activity values of 0.20 and 0.18 and a pH of 6.11 and 6.10, respectively. The color of the mild snack was lighter with more yellow and less red compared with the spicy snack. Thiobarbituric acid levels increased slightly, and hardness decreased slightly during storage at $27{\pm}2^{\circ}C$. The sensory score of the spicy snack was slightly higher than that of the mild snack. These results suggest that the spicy snack might have more commercial potential than that of the mild snack according to its higher sensory test score.

Processing and Characteristics of Snacks Make from Extrusion Rice Oryza sativa and Dried Shrimp Acetes chinensis (마른 새우(Acetes chinensis) 첨가 Extrusion 쌀(Oryza sativa) Collet을 이용한 Snack의 제조 및 품질특성)

  • Je, Hae-Soo;Kang, Kyung-Hun;Jung, Hee-Bum;Park, Si-Young;Kang, Young-Mi;Seoung, Tae-Jong;Lee, Jae-Dong;Park, Jin-Hyo;Kim, Jeong-Gyun
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.49 no.3
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    • pp.293-300
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    • 2016
  • In the present study, we investigated the quality, sensory characteristics and commercialization potential of a rice collet snack made with the addition of dried shrimp. “Mild” and “spicy” snack products were produced with an edible oil coating and mixed seasoning powder coating, respectively. The approximate composition of the mild and spicy snacks, respectively, were 2.44% and 2.24% for moisture, 8.52% and 8.64% for crude protein, 18.36% and 26.54% for crude lipids, 1.28% and 1.38% for ash, 1.1% and 1.2% for salt, and 0.61 and 0.62 for pH. The L (lightness), a (redness), b (yellowness), and ⊿E (color difference) values were higher for the mild snack than the spicy snack. The mild and spicy snack had values of 7,776.4 and 7,655.8 mg/100 g for total amino acids, and 221.6 and 253.5 mg/100 g for total free amino acids, respectively. The TBA (thiobarbituric acid) value did not differ significantly between the two types of snack. The hardness value of the spicy snack was higher than that of the mild snack, but there were no significant differences in flavor between the two products. The sensory evaluation score of the spicy snack was slightly higher than that of the mild snack. Organoleptic inspection indicated that both snacks had a favorable, unique taste.

Preparing and Maintaining the Quality of Snacks Made from Rice Oryza sativa and Dried Anchovy Engraulis japonicus (마른멸치(Engraulis japonicus) 첨가 쌀(Oryza sativa) Collet을 이용한 Snack의 제조 및 저장안정성)

  • Kang, Kyung-Hun;Park, Si-Young;Je, Hae-Soo;Kang, Young-Mi;Seoung, Tae-Jong;Yoon, Moon-Joo;Kim, Jeong-Gyun
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.49 no.6
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    • pp.758-765
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    • 2016
  • This study investigated the quality, sensory characteristics, and commercialization potential of a rice snack made from dried anchovy Engraulis japonicus. Mild and spicy snacks were produced using a single extruder, with an oil coating or seasoning, respectively. The approximate respective compositions of the mild and spicy snacks were as follows: moisture 5.20% and 4.71%; crude protein 8.71% and 8.59%: crude lipids 21.14% and 28.5%; ash 1.57% and 1.82%; salt 1.5% and 1.5%; water activity 0.18 and 0.19; and pH 6.31 and 6.28. The peroxide values increased for 30 days after preparation and then decreased from 30 to 90 days. The thiobarbituric acid values increased slightly during storage at $27{\pm}2^{\circ}C$. During storage at $27{\pm}2^{\circ}C$, the lightness and yellowness values were lower for the spicy snack than for the mild snack, while the redness value was higher for the spicy snack. The hardness values of both samples decreased slightly during storage at $27{\pm}2^{\circ}C$. The sensory score of the spicy snack was slightly higher than that of the mild snack. The spicy snack had a higher score than the mild snack in the sensory test, which suggested that the spicy snack made from dried anchovy has more commercial potential.

Effect of Some Additives for Yukwa (Popped Rice Snack) Quality Improvement and Process Modification Trials (유과 품질향상을 위한 첨가물의 효과와 공정 단순화 시도)

  • Shin, Dong-Hwa;Kim, Myung-Kon;Chung, Tae-Kyu;Lee, Hyun-Yu
    • Korean Journal of Food Science and Technology
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    • v.22 no.3
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    • pp.272-277
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    • 1990
  • Some additives were applied to improve Yukwa(Popped rice snack) quality and process modifications were tested for cutting down soaking time and application of rice flour. Addition of soaked soybean (3%, w/w) to dough showed higher expansion rate and better physical properties with more acceptable quality by sensory evaluation of Yukwa. Baking powder, modified starch and alcoholic liquor, Mackeali(rice wine, turbid). Soju(distilled liquor) and Yakju(rice wine, clear), were no positive effect on quality of Yukwa but alcoholic liquor gave more fine texture than others. High temprature soaking $(60^{\circ}C)$ of rice for 3 hours which is near gelatinization temperature of rice starch. gave same quality of Yukwa comparing with long time soaking (12 hours) at room temperature. Extention of high temperature soaking (12 hours) did not improve the quality of Yukwa. The 100 mesh of rice flour by dry milling method was better in expansion rate and hardness than 40 and 80mesh but it was worse than ordinary wet milling. It was notified that milling method and milling mechines for Yukwa preparation should be studied in more detail.

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