The objective of this study was to investigate the effects of combinations of tofu paste and non-starch polysaccharides (NSP) on the oil uptake reduction (OTR) of deep-fat fried cake doughnuts. OTR agents were tofu paste (from grinding tofu with deionized water, followed by passage through a 60 mesh sieve), and five neutral and nine anionic NSPs. A control doughnut (without tofu paste or NSP), tofu doughnut (with tofu paste) and NSP-tofu doughnut (with tofu paste and NSP) were prepared. The moisture and total lipid (TL) content, cross-section image, color characteristic, and specific volume were measured. The tofu and NSP-tofu doughnuts exhibited higher moisture and lower TL content than the control. OTR was 10.8% for the tofu doughnut, and between 13.2% and 41.2% for the NSP-tofu doughnut. The highest OTR (41.2%) was found in the NSP-tofu doughnut with a combination of tofu paste and sodium alginate (NaA). The specific volume of the NSP-tofu doughnuts with combinations of tofu paste with NaA (2.5 mL/g), locust bean gum (2.5 mL/g), and κ-carrageenan (2.4 mL/g) was very close to that of the control (2.6 mL/g). Considering the OTR and specific volume of doughnuts, the combination of tofu paste and NaA would be most effective in reducing the oil uptake of doughnuts during deep-fat frying.
In the making of yellow layer cake, shortening was replaced with olive oil at levels of 25, 50, 75, and 100%. The hunter values of L and b showed that the crumb colors of the cakes with 50 and 75% olive oil were significantly different from that of the control. Both 50 and 75% olive cakes showed a higher specific gravity of batters, and lower specific volume of cakes, than the control. Cakes with 50 and 75% olive oil were less hard than the control during 3 days’ storage at 22oC. Sensory evaluation showed that their characteristics - cell uniformity, crumb color, taste, softness, and moistness - were not influenced by the replacement of shortening with olive oil. And same as above for overall acceptance.
전남북, 경남북, 충남북, 강원도 지역에서 유과를 가정에서 만들어 먹는 사람을 대상으로 미리 만들어진 설문에 의하여 유과 제조방법을 조사한 결과 설문지 151건을 회수, 그 내용을 정리하였다. 유과용 원료는 절대 다수가 찹쌀(96.3%)을 기본으로 하였으며, 제조의 첫 단계로 수침시간은 조사자의 47.5%가 2~5일로서 근래 밝혀진 수침시간보다는 길었고, 지역에 따라 상당한 차이를 보였다. 분쇄방법은 주로 떡방아간에서 가루내었고 가루를 반죽하는 데는 쌀가루와 물의 비율이 2~4.5 : 1로 상당히 되게 반죽하였다. 첨가물로는 설문 응답자의 1/3 이상이 술, 콩, 베이킹파우다를 넣고 있으며, 콩과 술을 넣는 빈도가 가장 높았고 전북지역에서 첨가물 종류가 많았다. 반죽의 찌는 시간은 김이 나오기 시작하여 15~35분이 32.3%이었고 충분히라는 경험적 방법(45.1%)이 큰 비중을 차지하였다. 꽈라치기는 반수 이상이 절구통을 이용하였고 나머지는 집에서 쉽게 구하는 용구를 사용하였다. 반데기의 두께는 2~3mm에 크기는 10×10~15cm가 많았고 같은 두께에 크기만이 다른 경우가 다음이었고 호남쪽이 영남쪽보다 큰 경향이었다. 건조방법은 응답자의 82%가 아랫목에서 건조하고 건조 정도는 끊어서 바삭 부서질 정도(44%)로 경험에 의해서 건조 정도를 정하였다. 튀김기름은 77.5%가 대두유를 사용하였고 튀김 용기는 후라이팬(40.8%), 솥(24.5%)를 주로 사용하였다. 튀김매체는 식용 기름 외에 가열 모래(28건), 직화(5건), 가열 자갈(3건) 등이 이용되었고 전북과 경남지역에서 이런 사례가 많이 수집되었다. 집청은 주로 물엿(55.0%)과 조청(20.8%)을 사용하였고 매화(찰벼튀김), 밥풀튀김, 깨를 바르거나 잣, 참깨, 대추 및 밤과 같은 견과류, 곶감, 석이버섯 등으로 모양을 내고 있었다.
The purpose of this study was to evaluate the mixed treatment of compost tea and amino acid liquid fertilizer as a substitute of oil cake for the organic cultivation of maize in Goesan, Chungbuk province. As a result, nitrogen, phosphoric acid, potassium, calcium and magnesium contents of each organic fertilizer were in the order of oil cake > amino acid fertilizer > compost tea. Each of these organic fertilizers had little influence on the change of soil chemical. Individual treatment of amino acid fertilizer and oil cake for weight of an ear as well as all individual treatments for the fresh weight of 100 kernels showed significant increase, compared to the untreated control. For the corn yield of merchantable quality, each treatment of compost tea, amino acid liquid fertilizer and oil cake increased higher 3.9, 5.4 and 5.9% than untreated control, respectively. On the other hand, as a result of mixed treatment of amino acid fertilizer and compost tea, the change of soil chemical property was insignificant. The mixed treatment, Nonetheless, showed significant increase for stem height to 1st ear, grain setting length in an ear, weight of an ear, and fresh weight of 100 kernels, compared to the oil cake as a control. After all, the corn yield of merchantable quality produced by the mixed treatment was 3.9% higher than the control. Therefore, our study would be considered that the mixed treatment of amino acid and compost tea is one of organic materials that can replace oil-cake in maize.
Rapeseed cake was extracted with 80% ethanol and then fractionated with H2O (fraction I) as well as with 30% (II), 50% (III), 70% (IV), and 100% ethanol (V). Total phenolic content (TPC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, ferric-reducing antioxidant potential, and Trolox equivalent antioxidant capacity were in the order of fractions II > III > I > IV > V. The three fractions with high antioxidant activities and TPC (I, II, and III) were pooled and hydrolyzed by NaOH solution, resulting in 18.97 mg sinapic acid/g hydrolyzed extract and 21- and 2.2-fold increases in TPC and DPPH radical scavenging activity, respectively. Hydrolyzed rapeseed cake extracts (200, 500, and 1,000 ppm) and catechin (200 ppm) as a comparison were added to 10% fish oil-in-water emulsion, and their effects on oxidative stability were investigated by measuring hydroperoxide values (PV) during refrigerated storage. PVs were significantly lower in the emulsions with added hydrolyzed extract as compared to the control (p<0.05) and significantly decreased with increasing extract concentration (p<0.05) over a period of 29 days. The emulsion added with hydrolyzed extract showed higher PV than that added catechin at the same concentration (200 ppm) during 13-22 days (p<0.05), but after then, the PV was not significantly different (p>0.05). This study indicates that hydrolyzed rapeseed cake extract rich in sinapic acid may inhibit oxidation in a fish oil-in-water emulsion in a concentration-dependent manner.
This study aimed at improving the method of oil cake application in maize. The experiment was conducted during 2 years at NAS (National Institute of Agricultural Sciences) experimental field, located in Wanju-kun, Jeollabuk-do. Growth factors and nutrient use efficiency were evaluated depending on oil cake application depth, placement, and application rate. Difference in oil cake application method and depth was tested in 2012 and different placements of oil cake application were compared in 2013. Plant height, SPAD value, and dry weight of stem and corn were investigated. SPAD value, dry weight of stem and corn were significantly higher in oil cake banding treatment (OB5, 5 cm depth) as compared to others application methods, i.e. spreading (OS0), deep banding (OB10) and banding + spreading (OB5S). In addition, dry weight of stem and corn of banding treatments (OBL, OBLL) on rhizosphere and in between row (OBR) were higher than spreading treatment (OSP). Furthermore, in case of reduced application rate in additional fertilization did not decrease dry weight of corn and increased nutrient use efficiency. Therefore, it is concluded that banding application in 5 cm-depth and rhizosphere can improve growth and nutrient use efficiency in maize production.
The potential of nitrogen mineralization was studied by applying organic fertilizer to soil and incubating at 25℃ for 28 weeks. The organic fertilizers used in this experiment were oil-cake (CF-Ⅰ, CF-Ⅱ) and amino acid fertilizer (AAF-Ⅰ, AAF- Ⅱ). Accumulated mineralized nitrogen (N) fits the frist-order kinetics during incubation. The N mineralization potential (No) for organic fertilizers treated soil was highest at AAF-Ⅱ treatment with a value of 27.71 N mg/100g, then followed by CF-Ⅱ, AAF-Ⅰ, CF-Ⅰ. The pure N mineralization potential (N0 treatment - N0 control) for CF-Ⅰ, CF-Ⅱ, AAF-Ⅰ, AAF-Ⅱ were 2.55, 5.83, 3.66, 8.57 N mg/ 100g, respectively. The amount of N mineralized from organic fertilizers applied soil ranged from 46% to 61% of the total N content in organic fertilizer. The half-life (t1/2) of organic nitrogen in soil treated with oil-cake and amino acid fertilizer was 17-21 days. Therefore, half of nitrogen contained in oil-cake and amino acid fertilizer was mineralized after 3 weeks application.
유채에서 F1 의 잡종강세를 이용함에 있어 Shiga나 Thmpson이 개발한 MS들은 고온에서 불임성이 회복되고 유질과 유박의 성분도 개량되지 못하였으므로 이같은 결점이 보완된 새로운 MS를 개발코저 연구를 계속한 결과 완전한 불임성이면서 에루친산과 구루코지노레이트가 제거, 개량된 새로운 세포질.유전자적 웅성불임계통 Mokpo-MS가 육성되었다. 이를 다음과 같이 요약한다. 1. Mokpo-MS는 캐나다 품종인 Tower를 어미로 하고 일본 품종 Isuzu를 화분친으로한 F2에서 발견된 MS를 1입식 Q.C.T.법으로 Zero-erucic acid 개체를 선발하고 이를 Test-tape법으로 Zero-glucosinolate 개체를 재 선발하여 고정시켰다. MS유지는 임성인 자매개체, 계통의 화분으로 ,유지시켰다. 2. 세포질 유전자적 웅성불임계통 여부를 검정코저 Tower Isugu의 정역 조합을 작성하여 F2 에서 MS 분리비를 조사한 결과 Tower가 어미인 조합에서는 3 : 1의 비율로 MS가 분리되었으며 Tower가 화분친으로 된 조합에서는 전부 임성으로 발현되었으므로 Tower의 S세포질과 Isuzu의 핵내 S유전자와의 상호작용에 의해 발현되는 세포질 유전자적 웅성불임 계통임이 밝혀졌다.3. Mokpo-MS는 같은 계통내 임성인 개체의 화분으로 유지시키면 차대에서 각 50 %의 MS와 임성이 분리된다. 4. Moo-MS는 기존MS들 보다 2~3일 숙기가 빠르며 3~17개나 분지수가 더 많고 화기에서 웅예의 길이가 0.2mm 약장은 거의 없으며 상대적 위치가 0.0인 완전 MS였다. 5. 새로 육성된 Mokpo-MS의 유질은 바람직하지 못한 에루친산과 에이꼬젠산이 완전 제거되고 대신 양질 지방산인 오레인산과 리놀산 함량이 92%에 달하는 양질유 MS이다. 6. 유박의 사료화를 위한 성분개량에서도 유해물질인 Glucosinolate성분이 완전 제거되어 도입 대두박에 대체 가능하다. 7. Mokpo-MS는 화기의 불임성에 관계되는 형질이나 기타 생태적인 실용형질들이 완전히 인정되었다.