To improve quality as a food source and functional properties of traditional fermented soybean paste (Doenjang), the Korean herb medicines (group I ∼ IV) extracted at 121$^{\circ}C$ for 2.5 hours were used as brine sources. Capsule Meju were fermented in cool brines with three different concentration (group A, B and C) of the extracts at room temperature for 3 months in large earthenware jars. The effect of traditional soybean Doenjang (refer as DHM below) supplemented with the extract of herb medicines on the food quality and chemical characteristics were examined. General composition of DHM (moisture 58.2%∼61.9%, pH 5.32∼5.56, total acidity 3.07∼3.70 ml, salt 11.7∼13.9%) did not differ from those of control (moisture 61.9%, pH 5.50, total acidity 3.25 ml, salt 12.6%). Concentration of reducing sugar, crude protein, crude lipid and amino type nitrogen were higher in DHM than those of control without addition of the extracts. Water insoluble-brown index showed no difference by the extracts. However, the former had higher water soluble-brown index than the latter, and within the DHM, groups I and II were higher than groups III and IV. Lightness values (L) of Hunter color index in groups I and II were 24.32 and 31.04, respectively. Redness values (a) of all DHMs were lower than that of control. Yellowness value (b) of groups III and IV were similar to that of control group, and Hunter b values of group I and II were lower than that of control.
Park, Sung Jin;Shin, Eon Hwan;Kim, Dong Ho;Rha, Young-Ah
Culinary science and hospitality research
/
v.22
no.8
/
pp.27-38
/
2016
This study examined the nutrient components and physicochemical properties of Acer termentosum Maxim. leaf as a natural health food source. To accomplish this purpose, the general and antioxidative contents of Acer termentosum Maxim leaf were measured. Total contents of carbohydrates, crude protein, crude lipid, and ash were 53.6%, 24.3%, 3.5%, and 3.5%, respectively. Caloric content of Acer termentosum Maxim was 246.5 kcal, while total dietary fiber was 46.7%. Regarding mineral contents, K was the most abundant mineral, followed by Ca, Mg, and P. Therefore, Acer termentosum Maxim is an alkali material. Total phenol contents of the 70% ethanolic extracts of Acer termentosum Maxim was $116.35{\pm}1.4mg\;GAE/g$. Total flavonoid contents of the 70% ethanolic extracts were $20.3{\pm}1.23mg\;RE/g$. The antioxidative activities of Acer termentosum Maxim. were significantly increased in a dose dependent manner on DPPH(1,1-Diphenyl-2-picrylhydrazyl) radical scavenging, ABTS (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt) radical scavenging, FRAP (ferric reducing antioxidant power) activity, reducing power. It is expected that follow up study of Acer termentosum Maxim through developing processed food and evaluation of their functional properties would provide useful information as a source of functional foods.
To explore cattail pollen powder as a functional food ingredient, we analyzed the general components of pollen powder, tested changes in the physical properties of dough containing the powder, and investigated the process ability of powder-containing dough in bread making by adding 3%, 6%, or 9% by weight of pollen powder to wheat flour. Cattail pollen powder consisted of (all w/w) 12.7-13.2% water, 15.7-17.8% crude protein, 1.3% crude fat, 7.5-7.7% free sugar, 14.7-18.6% crude fiber, 3.4-4.9% pollen, and 49.7-55.9% soluble nitrogen-free extract (NFE). Analysis of the physical properties of dough mixed with pollen powder showed that as more pollen powder was added, the absorption rate increased, but dough stability decreased. With increasing levels of cattail pollen powder, the falling number decreased, and amylase activity increased. Fermentability was highest in dough made with 3% by weight of pollen powder, and the bread product made from such dough had the greatest volume. As more cattail pollen powder was added, the moisture activity in dough tended to decrease to a greater extent than seen in control dough, and this tendency increased with time. We found that longer storage periods were associated with greater hardness and springiness, which indicated degradation in product quality. Therefore, it is suggested that bread products containing cattail pollen powder should be consumed within 3 days of preparation. In a taste survey, bread baked with 3% (w/w) cattail pollen powder scored highest in all questionnaire items.
The adsorption property and ability of domestic zeolites for some heavy metal ions (Ag, Pb, Cr, Cu, Zn, Mn), which may cause a serious environmental problem in industrial wastewater, were evaluated on ore unit through a series of adsorption experiments together with careful examinations of mineral composition and properties of the zeolites. Though the adsorption behavior basically took place in the form of a cation exchange reaction, the higher CEC value does not necessarily to imply the higher adsorption capacity for a specific heavy metal. A general trend of the adsorption selectivity for heavy metals in the zeolites is determined to be as follow: $Ag\geq$Pb>Cr,Cu$\geq$Zn>Mn, but the adsorption properties of heavy metal ions somewhat depend on the species and composition of zeolite. Clinoptilolite tends to adsorb selectively Cu in case of Cr and Cu, whereas heulandite prefers Cr to Cu. A dominant adsorption selectivity of the zeolite ores for Ag and Pb is generally conspicuous regardless of their zeolite species and composition. The zeolite ores exhibit a preferential adsorption especially for $Ag^{+}$ so as not to regenerate when treated with $Na^{+}$ . In the adsorption capacity for heavy meta ions, the zeolites differ in great depending on their species: ferrierite>clinoptilolite>heulandite. Considering the CEC value of mordenite, the mordenite-rich ore appears to be similar to the clinoptilolite ore in the adsorption capacity. The adsorption capacity for heavy metals is not positively proportional to the CEC values of the zeolites measured by the exchange reaction with ammonium ion. In addition, the adsorption capacity roughly tends to depend on the zeolite contents, i.e., the grade of zeolite ore, but the trend is not consistent at all in some ores. These may be caused by the adsorption selectivity for some specific heavy metals, the presence of possible stacking micro-faults and natural cations such as K hardly to exchange in the zeolite. Considering the economic availability and functional effectiveness as natural zeolite resources, clinoptilolite ores could be applicable to utilize the domestic zeolites for the removal of heavy metals.
Livestock products like meat, milk and egg have been principal food sources for human beings since the historic periods of time. Nowadays consumption of these food items have been avoided due to its high contents of SFA, cholesterol and total fat which are major culprits of chronic adult diseases causing major deaths of people. However, the relationship between livestock products and diseases is not always true because the amounts of fat and cholesterol and types of fatty acids in meat and meat by-products depend on the part of the meat and types of animals. Although meat intakes do not always cause mai or adult diseases, still the developmental necessity does exist for animal foods equipped with biologically active properties, which in turn can improve nutritional status and health more than ever Meat with high protein lean part and low fat can be produced by applying synthetic somatotropin and beta-adrenergic agonists like clenbuterol, cimaterol etc. during breeding. This application brings benefits like higher growth rate, lower fat contents and improve feed efficiency ratios. Meats fortified with long chain PUFA($\omega$-3 fatty acids) can also be produced by modulating feed composition.Egg Products have faced the reduced sales annually because of its high cholesterol contents. Recently brand eggs fortified with special nutrients or chemical components having functional proper ties in the human body system are very popular Research Interests have been focused on eggs with low cholesterol and high omega-3 fatty acids. Low cholesterol eggs and high omega-3 eggs can be produced in several different ways, but popular way to increase is feeding the feeds with different oil sources containing high omega-3 and 6 fatty acids such as fish oil, perilla oil, linseed oil and lecithin etc. But proper compositon of feed formula should be found and economically beneficial. Brand eggs fortified with vitamin, mineral, unknown growth factors are also manufactured. Low cholesterol and high $\omega$-3 PUFA milk are marketed recently Cholesterol removal technology is not completely established and has several limitations to be overcome. Milk fortified with $\omega$-3 fatty acids is made by incorporating high &13 fatty acid foods in feed despite of extraordinary way of fatty acid metabolism In cow. All these biologically active products will be very beneficial and useful for human consumption when limitations of manufacturing technology such as safety and lowered sensory qualities are resolved. Furthermore, thorough and precise tests and quality control for these products should be performed to ensure the effectiveness and usefulness in terms of improving health and nutritional status in general. However one caution should be pointed out to lay people informing that these items are nothing but a food and not panacea. Therefore, it is important to remember that the only way of maintaining good health is absolutely through consuming balanced diet.
Soil microbial activity and diversity are affected by organic sources applied to improve soil quality and fluctuate seasonally. We investigated the effects of municipal compost (MC), poultry litter (PL), and cover crops of spring oats and red clover (RC) on soil enzyme activities, and soil bacterial community-level physiological profiling (CLPP) in a Mexico silt loam in North Central Missouri, USA. Temporal patterns of these parameters were observed by periodic five soil sampling from spring to fall over a two year period. MC increased soil dehydrogenase (DH) activity consistently beginning about three months after MC application; fluorescein diacetate (FDA) hydrolytic activity significantly began to increase by the September of the first year but fluctuated during the following period. DH activity responded more directly to the amount or properties of organic residues in soils while FDA hydrolysis and CLPP were generally influenced by composition of organic sources, and enzyme activities and CLPP showed seasonal variation, which depended on organic sources and soil moisture. MC and cover crops may be useful organic sources for enhancing general soil microbial activity and altering soil microbial diversity, respectively. Because microbial activities and diversity are dynamic and subject to seasonal changes, the effects of organic amendments on these parameters should be investigated frequently during a growing season.
To study the availability of the Atractylodes japonica Koidz. as ingredients for functional flood, the properties of chemical components were investigated and the results were followed. Among general components of Korean A. japonica, total sugars portions from fresh and dried samples took 31.3% and 46.8%, respectively. Mineral contents were K 4,038.9 ppm, P 1,698.5 ppm, Ca 731.8 ppm, Mg 477.1 ppm, Na 87.2 ppm, Fe 56.4 ppm, Zn 22.4 ppm and Mn 13.5 ppm in fresh sample, and K 8,738.9 ppm, P 3,511.6 ppm, Ca 966.1 ppm, Mg 912.8 ppm, Na 147.4 ppm, Fe 113.9 ppm, Zn 46.7 ppm and Mn 23.5 ppm in dried sample. Sucrose in Korean A. japonica was 0.88% in fresh sample and 3.44% in dried sample, and it was main component of sugar. The largest amount of organic acid in Korean A. japonica was tartaric acid, which was 3,849.0 mg% in fresh sample main and 5,305.5 mg% in dried sample. The main amino acid of total amino acids in fresh and dried samples were arginine 291.3 mg% and proline 567.8 mg%, respectively. The main fatty acid of fresh and dried samples were behenic acid 4.0% and linoleic acid 17.99%, respectively. The most distinctive volatile flavor compound was furanodiene which took 17.91% in flash and 40.69% in dried Korean A. japonica.
Yun, Ki Hoon;Lee, Jaebok;Moon, Young-Jin;Go, Hee Kyoung;Lee, Yi;Lee, Dong-Kyu
Journal of the Korean Applied Science and Technology
/
v.35
no.4
/
pp.1197-1205
/
2018
UV protection cosmetics belong to functional cosmetics and contain organic or inorganic UV blocking pigments. The inorganic UV blocking pigments are mainly zinc oxide and titanium dioxide. It is known that inorganic UV blocking pigment has a diameter of 60 to 100 nm and has good blocking ability of UVA and UVB. Also, it has high inactivity against sunlight including UV and is excellent in safety. In addition, it is not absorbed or accumulated on the skin like organic pigments and does not cause skin irritation or allergy. In this study, mica, a plate-shaped inorganic pigment, nanosized titanium dioxide, an UV blocking material, and hydrophobic silica were surface-treated with surfactants. And then, titanium dioxide nanoparticles and silica were physically adsorbed on the mica by non-chemical mutual attraction due to differences in charge. Thereafter, the mica complex was surface-treated with silane to prepare a hydrophobic UV blocking pigment complex. The plate-shaped UV blocking composite improves the cohesiveness of a general nanoparticle material titanium dioxide, enhances UV blocking effect due to uniform dispersion, and can greatly improve dispersion stability in cosmetic formulations by surface treatment with hydrophobic property. The surface charge of the pigment was evaluated by zeta potential. The properties of the UV blocking pigment complex were evaluated by FE-SEM, XRD, FT-IR and UV-VIS.
This study was conducted to determine the characteristics of chungkukjang with added isoflavone extracted from arrowroot and to determine its utility as a functional food substance. Crude isoflavone was prepared from arrowroot by the ethanol extraction method and frozen dried (AI). Samples of chungkukjang each had different amounts of isoflavone extracts added to them: 0 (control), 1.76 (AC1-chungkukjang), 3.52 (AC2-chungkukjang), and 7.11 (AC3-chungkukjang) g/kg. The pH, color, slime material content, calcium, and isoflavone of each sample were measured to investigate the quality and changes in isoflavone content. As AI increased, the pH of chungkukjang decreased to 7.46~7.53 compared to the pH of control (7.63). The slime material content range increased to 4.46~6.16%. However, there was no significant difference in the general components of chungkukjang between each of the groups (Con, AC1, AC2, AC3). In colors of chungkukjang, values for $L^*$, $a^*$, and $b^*$ decreased as AI increased. Meanwhile, the calcium content of AC1, AC2 and AC3 tended to increase by 11.18~12.82% compared to the control. This may be due to the influence of Ca in the arrowroot extract powder. There was a remarkable increase in total isoflavone content, by 30.81~130.66%, with an order of AC3>AC2>AC1. In all of the groups, the content of genistein and daidzein, aglycone form, increased dramatically, by 65.00~128.34%, and 89.38~142.91%, respectively, compared to the control. In AC3, in particular the genistin and daidzin content increased by 103.47% and 188.13%. These results showed that AI can be used as a source of isoflavone supplementation in chungkukjang.
Kim, Sang-Ho;Lyu, Seung-Jun;Han, Won-Ju;Kim, Mo-Kyung;Kim, Tae-Heon;Kang, Hyung-Won;Lyu, Yeoung-Su
Journal of Oriental Neuropsychiatry
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v.16
no.2
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pp.13-24
/
2005
Background and Objectives : Acupuncture as a therapeutic intervention is widely used for the treatment of many functional disorders such as substance abuse and mental dysfunction. Clinical trials are currently underway to determine the effectiveness of acupuncture in the treatment of drug addiction. Yet, there are still many unanswered questions about the basic mechanism of acupuncture. Studies have shown that both the psychomotor stimulant effects and rewarding properties of addictive drugs, including morphine, are sensitized by repeated drug administration and raised the possibility that both of these effects may be linked to the same or closely overlapping the mesolimbic dopamine systems. Neiguan (PC6) point on the pericardium channel which is associated with the brain and its mental function, has been used to treat mental, psychosomatic disorders and gastroenterological disorders. The present study was designed to investigate the effect of acupuncture on repeated morphine-induced changes in extracellular dopamine levels using in vivo microdialysis and to measure the effect of acupuncture on Fos-like immunoreactivity. Methods : Male Sprague-Dawley rats were treated twice a day for three days with increasing doses of morphine (10, 20 and 40 mg/kg, s.c.) or with saline. After 15 days of withdrawal, rats were challenged with morphine hydrochloride (5 mg/kg, s.c.). Acupuncture was applied at bilateral Neiguan (PC6) points for 1 min after the morphine challenge. Results showed that acupuncture at the specific acupoint PC6, but not at control points (tail and HE8) significantly decreased Fos-like immunoreactivity induced by a systemic morphine challenge or a single s.c. morphine injection in the morphine-repeated animals. Results and Conclusions : These results suggest that reduction in sensitization may be one mechanism whereby acupuncture alleviates morphine craving in addicts. Moreover, in a more general sense these results suggest that acupuncture can be used as a therapeutic intervention for correcting reversible malfunction of the body by direction of brain pathway and thus acupuncture can contribute to the biochemical balance in the central nervous system by regulating neurotransmitters.
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