The effects of mixed beans on quality characteristics of traditional soybean paste (Doenjang) were investigated. The proximate composition of the soybean paste (Doenjang) met traditional food standard requirements. The range in salinity was 12.30~13.20%, and the salinity decreased with an increase in the amount of mixed beans. A significant difference in pH values occurred in all samples(p<0.05). The Hunter's 'L ($45.06{\pm}0.41$)' and 'b ($13.89{\pm}0.73$)' values of the TDM2 samples were higher than those of other samples. The highest amounts of malic acid of the organic acids are shown. The order of the amino acid content was aspartic acid > leucine > lysine, and that of free amino acid contents were proline > glutamic acid > arginine. The order of mineral content in the soybean pastes was Na > K > Ca > Mg, but levels of Co, Cu, and Zn were not detected. The traditional soybean paste (Doenjang) had an effective DPPH radical scavenging activity and higher phenolic content compared to those of the control sample. Overall acceptability score of the TDM2 (soybean 1 : mixed beans 1) was higher than that of the others. More research is needed to enhance the quality and functionality of traditional soybean paste.
Samah, Othman Abdul;Saleh, Wan Rosnah Wan;Syed, Mohd Arif;Said, Mamot;Rahmani, Mawardi
Natural Product Sciences
/
v.2
no.2
/
pp.115-118
/
1996
Lipase specific activity in cocoa beans varied from 70 to 40 ${\mu}mol/min/mg$ protein during six days of fermentation. At the end of this period most parts of the cotyledon has turned to brown color which would be more distinguishable after drying. The beans were slightly swollen thus causing its testa to disintegrate. During fermentation there was a decrease in pH from 6.4 to 5.8. Whereas the percentage of acetic acid was increased by 0.04% of wet weight beans on the third day but decreased progressively with time.
Jeung-pyun, a very popular fermented rice cake consumed in Korea, consists mainly of rice, rice wine (Tak-Ju), and sugar. The effects of addition of different beans on the quality characteristics of the batter and Jeung-pyun were investigated. Six different beans were mixed with the rice flour at levels of 5% and 10% of the rice flour weight, respectively. The addition of Back-tae, Huk-tae, Sori-tae, which are types of soybeans, and black gram significantly increased the batter volume and viscosity. However, the fermented Back-tae (Cheongguk-jang) was not effective at increasing the batter volume and viscosity. The buffering effect of the beans was very significant on the fermented batter, and the decrease in pH of the fermented batter made with beans was less than that of the control batter without beans. Additions of the soybeans and Cheongguk-jang were most effective for the buffering effect in the fermented batter. Although the Back-tae, Huk tae, and Sori-tae were different colors and shapes, they were all soybeans and exhibited similar effects on the Jeung-pyun batter. However, the effects of the beans were not significant on the Jeung-pyun. The volume and moisture content of the Jeung-pyun made with beans were not significantly different from the volume and moisture of the Jeung-pyun made without beans. The above results suggest that the addition of different soybeans, mung beans, and black gram significantly effects on the properties of Jeung-pyun batter, but not Jeung-pyun itself.
Journal of the Korean Society of Food Science and Nutrition
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v.32
no.1
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pp.52-57
/
2003
Nutritional compositions of the raw materials, such as well-milled rice, milled upland glutinous rice, milled barley, glutinous millet, SoRiTae, red beans and mung beans were analysed, and cooking characteristics and sensory attributes of mixed cereals were measured. Crude protein and crude fat in SoRiTae were 31.6% and 16.16%, respectively, and the highest among the raw materials. Crude ash was 3~11 times higher and crude fiber was 5~7 times higher in legumes than in grains. Iron content in SoRiTae was the highest as 7.8 mg/100 g, and calcium content was the highest as 71.0 mg/100 g in SoRiTae and mung beans. Phosphorus content was higher in glutinous millet and mung beans, and potassium content was greatly higher in legumes than in grains and the highest as 934 mg/100 g in red beans. Vitamin B$_1$ and B$_2$ contents were higher in legumes than in grains, and niacin content was the highest as 5.51 mg/100 g in mung beans and was 3.77 mg/100 g in glutinous millet. Water uptake of the raw materials increased greatly after 5 min of soaking in water and then stayed at the almost same level. Water uptake was the highest in SoRiTae and decreased in the order of milled barley, milled upland glutinous rice, glutinous millet and well-milled rice. Hardness was the lowest as 142.8 g/cm$^2$ in cooked SoRiTae, and the highest as 206.3 g/cm$^2$ in cooked milled barley compared with 169.4 g/cm$^2$ in cooked well-milled rice. Cooking time increased and hardness of cooked mixed cereals decreased with the increase of water added. Moisture content decreased, while crude protein, crude ash and crude fiber increased as the increase of mixing ratio of SoRiTae and red beans in mixed cereals. Lightness decreased, while red and blue color increased, and hardness increased with the increase of mixing ratio of SoRiTae and red beans. Sensory evaluation showed greater preference in terms of color, roasted nutty, sweet taste and overall acceptance in the cooked mixed cereals with 8 and 10% of SoRiTae and red beans.
Agronomic characters of the 361 Korean adzuki beans(Vigna angularis (Willd.) Ohwi & Ohashi) collected in Korea were examined. Korean adzuki beans had predominantly up right growth habit types, followed by the intermediate types (15.3%) and the climbing types (6.9%). Round leaf type was the majority among the collections and followed by elliptical and xiphoid leaf type. Adzuki beans with yellow, light yellow and dark yellow flowers were 89.5%, 9.4% and 1.1%, respectively. The 60.6% of the collections had red seeds and 26.9% had gray seeds. And collections with green seeds, white seeds mixed with gray spot, brown spots on red seeds, black spots on red seeds and dark gray spots on black seeds were also observed. Korean adzuki beans whose number of days from planting to flowering were 69∼75 days were the majority among 361 Korean adzuki beans. The number of days from flowering to majority were 41∼50 days and the number of days from planting to maturity were 111-120days. Adzuki beans having the stem length of 41-60 cm, the pod number per plant of 16-20 and the 100 seed weight of 8∼10 g were 50.2%, 40.2% and 30.5% of collections, respectively.
Choi, Won Seok;In, Yong Woo;Kim, Hyun Hwi;Hyun, Ja-shil;Park, Sung Jean
Journal of the Korean Magnetic Resonance Society
/
v.21
no.2
/
pp.44-49
/
2017
Coffee is one of the top selling products in the world. There are various coffee bean species around the world. Among them, Coffea Arabica is the most popular species. However, there are few studies on the metabolites of coffee beans so far. This study demonstrates effects of the planted regions on the metabolite concentrations of coffee beans. The metabolites of coffee beans can be affected by growing area even although same species are grown. Accordingly, we studied coffee bean metabolites extracted from the same species in different regions (The brand names, Kona from Hawaii, Mocha Matari from Yemen, and Blue Mountain from Jamaica) by using mixed solvent of methanol: water: chloroform. A comparative analysis by NMR spectroscopy was performed and the statistical techniques were used to figure out the differences. As a result, we found that chlorogenic acid, caffeine, citrate, and sucrose mainly contributed to the separation of the three groups. When compared with Kona and Blue Mountain, concentrations of chlorogenic acid, caffeine, and sucrose in Mocha Matari were observed to be relatively down-regulated. In addition, compared with the two other groups, concentration of citrate in Kona was observed to be up-regulated.
Journal of the Korean Society of Food Science and Nutrition
/
v.29
no.5
/
pp.843-848
/
2000
The single cell-gel electrophoresis assay (comet assay) was used to identify irradiated beans. Soy beans, kidney beans, and red beans were irradiated with $^{60}Co$ gamma rays at 0.1, 0.3, 0.5, 0.7, and 1.0 kGy. Beans were peeled out, crushed lightly, and treated with phosphate-buffered saline (PBS) to extract cells. The extracted cell suspension was mixed with agarose gel solution and spread on an agarose precoated slide. After lysis of the cells, they were subjected to microgel electrophoresis for 2 minutes, and then silver-stained. We found that the DNA fragments of the irradiated samples were stretched, migrated out of the cells, and formed tails towards the anode giving the appearance of comets, while the unirradiated or the undamaged cells formed very short or no tails. The tail lengths of irradiated samples were significantly increased as irradiation dose increased at the above 0.3 kGy.
After a mixed carbohydrate diet, inhibition of ${\alpha}$-amylase and ${\alpha}$-glucosidase involved in the digestion and absorption of carbohydrates can significantly decrease the postprandial increase of blood glucose level. In the course of screening these useful enzyme inhibitors, we selected five kinds of bean, using an in-vitro enzyme inhibition assay method. To evaluate the effect of germination process on the functionality of the bean, we investigated the inhibitory activities of the water extracts of non-germinated bean and germinated bean against ${\alpha}$-amylase and ${\alpha}$-glucosidase, relevant to postprandial hyperglycemia. We also investigated the oxygen radical absorbance capacity(ORAC), total phenolics content, and postprandial blood glucose lowering effect in rats(Sprague-Dawley rat model). Most germinated beans showed significantly higher ${\alpha}$-glucosidase inhibitory activity, compared with non-germinated beans. Among germinated beans, Glycine max had the highest ${\alpha}$-glucosidase inhibitory activity(53.3%). The water extract of germinated Phaseolus vulgaris L. had the highest ${\alpha}$-amylase inhibitory activity(95.1%), followed by Glycine max(58.7%), and Glycine max L. Merr(54.1%). Furthermore, the five germinated beans also showed high antioxidant activities in ORAC assay. Results suggested that the germination process may improve and enhance the anti-hyperglycemia potential and antioxidant activity of the bean.
Purpose: This study aimed to identify the distinctions in dietary and health-related behaviors among Indonesian women who marry Koreans or into multicultural families (MF) and those who marry Indonesians living in Korea (IK) and in Indonesia (II). Methods: The study was performed with 192 subjects using an online questionnaire regarding food choice, dietary and health behavior, and nutrition quotient (NQ). The analysis used Pearson's chi-squared test, the Fisher's exact test, multinomial logistic regression, and the general linear model. Results: The MF group consumed Korean food more than once a day and Indonesian food 1-2 times monthly (p < 0.001). The main challenge for the IK and II groups in consuming Korean food was the presence of pork and the different food flavors (p < 0.001). The MF group tended to have normal body mass index, consumed more vitamin and mineral supplements (p = 0.014), and exercised regularly ≥150 min/week compared to the IK and II groups (p < 0.001). However, the MF group had the highest rate of skipping breakfast (p = 0.040). When evaluating the NQ of the participants, the MF group consumed more vegetables (p = 0.026), mixed grains (p = 0.031), and spicy and salt soups (p = 0.006). The II group consumed more fish (p = 0.005), beans (p = 0.009), and nuts (p = 0.003). The IK group checked the nutrition labels the most (p = 0.005), while their consumption of vegetables, fish, beans, and nuts was lowest. The MF group had a higher balance score, which resulted in a substantially more nutritious food intake compared to the other two groups (p = 0.037). Conclusion: The MF group consumed more vegetables and mixed grains, adequate fish, beans, and nuts, and engaged in longer daily physical activity. However, the IK group had a relatively low-quality diet and nutritional intake status compared to the other two groups, and this needs to be improved in the future.
There were fifty two kinds of fermented soybean sauce before 17th century thirteen recorded in ${\ulcorner}$Sangayorock${\lrcorner}$, two in ${\ulcorner}$Sasichanyo${\lrcorner}$, one in ${\ulcorner}$Yongjechongwha${\lrcorner}$, nine in ${\ulcorner}$Soowonjabbang${\lrcorner}$, one in ${\ulcorner}$Domoondaejak${\lrcorner}$, six in ${\ulcorner}$Dongyoebogam${\lrcorner}$, four in ${\ulcorner}$Gushangchalyo${\lrcorner}$, five in ${\ulcorner}$Guhwangboyubang${\lrcorner}$, two in ${\ulcorner}$Yorock${\lrcorner}$, four in ${\ulcorner}$Chisengyoram${\lrcorner}$ and five in ${\ulcorner}$Joobangmoon${\lrcorner}$. These books had thing to know when making fermented soybean sauce like kinds of soybean sauce, how to make it, its ingredients and quantities to be used, how to make fermented soybean sauce in haste, and how to remake wrong made fermented soybean sauce, etc. Before 17th century, fermented soybean malt was divided into two kinds the only soybean malt and the mixed soybean malt that had bean, wheat, wheat flour and wheat bran. The bean only soybean malt was further divided into mashed soybean malt (Beans were steamed and mashed into past.) and unmashed soybean malt (Beans maintained their shape without being mashed.) while mashed soybean malts were made in Winger, in January of February, unmashed and mixed soybean malts were made in Summer, in July. When made fermented soybean sauce, mashed and unmashed soybean malts were used as they were and mixed soybean malt was dried and powdered for use. Fermented soybean sauce before 17th century could be classified by the features of soybean malts being used, Normal fermented soybean sauce was made from bean only soybean malts and other ingredients. Shi(시) was made from unmashed soybean malts, in which beans maintained their shape, and Gowhajang and Jeupjang were made from mixed soybean and wheat bran. Fermented soybean sauce was also made from old fermented soybean sauce, yeast. water leftover after boiling bean leaves, and soybean chaff without soybean malt. There were also side dish type soybean sauce like Kongjaban today and fish and meat sauce made from flesh ingredients. To make fermented soybean sauce in haste, the soybean sauce was heated. Beside there were how to maintain fermented soybean sauce and how to remake wrong made fermented soybean sauce.
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