This study was conducted to monitor the carbendazim residues in soybean and mungbean sprouts using LC-MS/MS method. Eighty-two samples were collected from markets in western Seoul. No carbendazim was detected in mungbean sprouts, however, it was detected in 6 among 59 soybean sprout samples showing a 10.2% of detection rate. Among these 6 carbendazim- detected soybean sprout samples, five exceeded the maximum residue limit presenting 83.3% of violation rate. The mean concentration in the detected samples was 0.063 mk/kg (0.012 ~ 0.104 mg/kg) and 5 of the 6 detected samples came from bulk sold products. None of the samples came from domestic products; three were from imported products and 3 were from unidentified sources. Risk assessment for the carbendazim from soybean sprout dietary intake was deemed safe and at less than 1 %Acceptable Daily Intake.
Zhu, RuiYu;Park, Young-Min;Oh, Jong Chul;Lim, Seung-Yong;Yu, Hyeon-Hee
The Korean Journal of Food And Nutrition
/
v.33
no.6
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pp.599-613
/
2020
The purpose of this study was to evaluate the quality characteristics of white pan bread added with wheat sprout powder without treatment (WP) and wheat sprout powder with only enzyme treatment (WPE), only lactic acid bacteria treatment (WPL) and enzyme and lactic acid bacteria treatment (WPE&L). The three different powder concentration levels of 1%, 3%, and 5% were added to flour to produce the white pan bread. The bread volume and specific volume of the WPE&L group were the highest among all the addition groups. The bread weight, a-value, and b-value of the WP group was highest among all the addition groups, but the bread baking loss and the L-value of the WP group was the lowest among all the addition groups. The texture measurements indicated that the hardness, gumminess, and chewiness values of the bread were the highest in the WP group. The sensory evaluation test showed that bread in the WPE&L group with 3% wheat sprout powder was the best among all the samples studied. Based on our findings, we suggest that the enzyme and lactic acid bacteria pretreated wheat sprout powder is an effective ingredient for improving the overall quality of white pan bread.
This study aimed to determine the effect of extraction temperature and time on the antioxidant activity of hot water extract from Panax ginseng sprout powder and to evaluate the suitability of this extract for use in dairy products. Water-soluble fractions of commercial Panax ginseng sprout powder were obtained by hot water extraction at 25, 60, or 80℃ for 0.5, 2, 12, or 24 h. The antioxidant activity of each extract was evaluated by measuring its free radical scavenging activity against 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS). DPPH and ABTS free radical scavenging activity increased with extraction temperature from 25 to 80℃. At 80℃, increasing the extraction time from 0.5 to 2 h led to increases in DPPH and ABTS free radical scavenging activity. Thus, the extract obtained under 2 h at 80℃ was selected for addition to milk and yogurt. After 16 days of storage, there were no significant changes in the pH of the milk or the antioxidant activity of the extract. With regard to yogurt fermentation, adding the extract did not affect the pH or the number of viable lactic acid bacteria. In conclusion, hot water extract from Panax ginseng sprout powder can be added to dairy products to enhance antioxidant activity.
Journal of the Korean Society of Food Science and Nutrition
/
v.36
no.8
/
pp.965-974
/
2007
This study was performed to investigate the effects of vegetable sprout powder on serum and adipose tissue lipid metabolism in rats fed high-fat diet for 4 weeks for induction hyperlipidemic model rat. Weight-matched male Sprague-Dawley rats were assigned to five groups according to dietary fat level (10% or 20% of diet wt.) and mixture of vegetable sprout powder levels (5% or 10% 10% or 20% of diet wt.). Vegetable sprout powder was the mixture of same amounts of dried barley, broccoli, rapeseed, alfalfa, radish, mustard, buckwheat and brussels sprouts. Experimental groups were normal fat diet with 5% cellulose (NF-C), high fat diet without fiber (HF-N), high fat diet with 5% cellulose (HF-C), HF-C diet with 5% vegetable sprout powder (HF-CSL), and HF-C diet with 10% vegetable sprout powder (HF-CSH). The body weight of HF-N group increased 16% compared with the NF-C group, while it was decreased by 15% and 22% for HF-CSL group and HF-CSH group, respectively. Fat mass and fat cell size of adipose tissue were lower in HF-CSL group and HF-CSH group compared with HF-C group, and lower in HF-CSH group compared with HF-CSL group. Serum triglyceride, total cholesterol and LDL-cholesterol contents were markedly decreased by vegetable sprout powder containing diet, while the serum HDL-cholesterol and phospholipid contents were higher in vegetable sprout powder containing diet in a dose-dependent manner. Leptin and insulin levels in serum showed a decrease in HF-CSH group. Significantly increased contents of triglyceride, total cholesterol, LDL-cholesterol, leptin and insulin in the serum of HF-N group were returned to normal or even below normal levels by feeding 10% vegetable sprout powder diet. The increased activities of NADP-malate dehydrogenase (ME), glucose-6-phosphate dehydrogenase (G6PDH) and 6-phosphogluconate dehydrogenase (6PGDH) and lipoprotein lipase (LPL) in adiposetissue by HF-N group were decreased to the activity of normal fat group by feeding vegetable sprout powder in a dose-dependant manner. These results indicate that lipid metabolism in rats fed high-fat diet was suppressed by feeding vegetable sprout powder.
In a previous study, isoflavones showed prominent physiological effects on diabetes, hyperlipemia, and alcoholic hepatotoxicity. The purpose of this study was to develop isoflavone-rich bean sprout- and isoflavone extract-containing foods, to improve symptoms of diabetes and hyperlipemia. The foods employed were yogurt, bread, and cookies. Through sensory evaluations, the ingredient amounts were determined. In the sensory evaluations of the yogurt and bread, overall taste scores decreased with increasing amounts of bean sprout powder. However, for the cookies, the overall taste score increased with an increasing amount of bean sprout powder, and the addition of isoflavones had no influence on flavor. The results indicated the following ingredient levels for ultimate product development. For the yogurt, 100 mL of low fat milk was fermented at $50^{\circ}C$ for 36 hr, and mixed with 0.5 g of roasted bean sprout powder and 31 mg of isoflavone extract. For the bread, bean sprout powder was added to wheat flour at a replacement level of 10%, which was mixed with 12 g of butter and 124 mg of isoflavone extract for 200 g of dough. For the cookies, the bean sprout powder was added to wheat flour at a replacement level of 60%, and then mixed with 15 g of butter and 124 mg of isoflavone extract for 100 g of dough. The total isoflavone contents of the yogurt, bread, and cookies were 14.35 mg/100 mL, 38.24 mg/100 g, and 190.00 mg/100 g, respectively.
Park, Ji Won;Kim, Min Young;Kim, Mi Ok;Lee, Hye Rim;Lee, Jin Ju;Kim, Su Kyung;Jeong, Heon Sang;Lee, Youn Ri
The Korean Journal of Food And Nutrition
/
v.31
no.5
/
pp.766-773
/
2018
The purpose of this study is to make rice pie, a bakery item, to enhance use of rice flour and analyze quality characteristics of rice pie by adding roasted peanut flour and peanut sprout flour. Water content of rice pie adding roasted peanut flour or peanut sprout flour is lower than that of wheat pie. The pH of rice pie is lower than that of wheat pie, and pH becomes higher when roasted peanut flour or peanut sprout flour is added. Density of dough is lower in rice pie than in wheat pie, and when roasted peanut flour or peanut sprout flour is added, rice pie reveals higher density. Loss rate is higher in rice pie than in wheat pie, and when roasted peanut flour or peanut sprout flour is added, rice pie reveals lower loss rate. When roasted peanut flour or peanut sprout flour is added to rice pie, its brightness (L) and yellowness (b) decrease, while redness (a) increases. Hardness is higher in pie made of rice powder than in wheat pie, and when roasted peanut flour or peanut sprout flour is added, hardness becomes lower. Regarding composition of fatty acids in rice pie, saturated fatty acids observed are myristic acids, palmitic acids, and stearic acids. Monounsaturated fatty acids found are mainly oleic acids. Polyunsaturated fatty acids detected are linoleic acids, and are found more in pie made of rice powder, than in wheat pie.
As sprout vegetables of interest growing, its maintaining the quality of the technology was needed to solve the problem of increasing growth and maintain quality after harvest. This experiment proved that the quality of radish sprout vegetable was affected by CO2 treatment during cultivation. Thus, the effect of CO2 treatment during cultivation on postharvest quality of radish sprout vegetable was investigated in terms of the quality changes in weight loss, gas partial pressure, SPAD, hue angle external appearance during storage at polypropylene film (thickness 30 ㎛) at 10℃. CO2 treatment used the way to gas with 700 ppm or carbonated water with 700 ppm and 1,400 ppm. The study revealed that growths on CO2 treated plant were more than those of non-treatment on stem length. After harvesting, the CO2 treated plant and control growing little different characteristics on fresh weight, plant length and so on. However, there were no differences between the CO2 treated plant and control on the Fv/Fm and SOD (superoxide dismutase). In gas partial pressure, the O2 consumption and CO2 accumulation of the CO2 treated plant tended to be more than that of non-treated plant. This study also checked that after packaging, the effects of CO2 treatment during cultivation on the quality of radish sprout vegetable was not significant. However, there were tended to CO2 treatments were lower value compared to control on SPAD, hue angle and general appearance. CO2 treatments of radish sprouting vegetable before harvest were improve growth of stem length, but ones were not improving the maintain of quality on radish sprout vegetable during shelf-life period. The results indicated that CO2 treatment only affected stem elongation until radish sprout vegetable its growth.
Kim, Min Young;Lee, Sang Hoon;Jang, Gwi Young;Park, Hye Jin;Meishan, Li;Kim, Shinje;Lee, Youn Ri;Lee, Junsoo;Jeong, Heon Sang
Journal of the Korean Society of Food Science and Nutrition
/
v.42
no.6
/
pp.917-923
/
2013
This study investigated the enzyme inhibitory effects of ethanol extracts from the different parts of rough rice (Oryza sativar L.) from its germination period. Rough rice was germinated at $37^{\circ}C$ for 6 days, then separated into hull+sprout and brown rice. ${\alpha}$-Glucosidase inhibitory activity had the highest value (39.38%) in hull+sprout extracts after 5 days of germination. ${\alpha}$-Amylase and DPP-4 inhibitory activity had the highest values (75.32% and 47.77%, respectively) in hull+sprout extracts after germination for 5 days. ACE inhibitory activity of hull+ sprout extracts increased from 43.16% at the beginning to 58.60% at 5 days, while brown rice extracts increased this activity from 0.88% at the beginning to 14.50% at 4 days. The xanthine oxidase inhibitory activity of hull+ sprout extracts increased from 62.02% at the beginning to 64.49% at one day, and then decreased. Lipase inhibitory activity had its highest value (55.17%) in hull+sprout extracts after germination for 5 days. These results indicate that the optimal germination period for increasing enzyme inhibitory activities may be 5 days, and that hull+sprout extracts have a higher enzyme inhibition activity than brown rice.
This study was performed for increasing the consumption and developing the function of pumpkin(Cucurbita moschata DUCH.) seed. The changes of the contents of general chemical compositions, fatty acids, amino acids, ascorbic acid and ${\beta}$-carotene during sprouting were analyzed. Also, the bitter taste, which was produced during sprouting, were purified by using thin layer chromatography and preparative high pressure liquid chromatography. The purified bitter compound was identified by mass spectrum and nuclear magnetic resonance($^1$H '||'&'||' $\^$13/C-NMR). Weight of pumpkin seed sprout was increased to 348.4% and the length of stem was dramatically increased at 8 days. In each head and stem parts of the pumpkin seed sprout, the contents of protein and lipid were decreased, however, the contents of fiber, ash and soluble inorganic nitrogen were increased. The fatty acids of the pumpkin seed sprout were mainly represented as linoleic acid, oleic acid, palmitic acid and stearic acid. During sprouting, palmitic acid was gradually increased, reversely, linoleic acid was gradually decreased. The general amino acids of head part in the pumpkin seed sprout grown at 23$^{\circ}C$ during 8 days were orderly more contained glycine, alanine, arginine, cystein and proline. Those of free amino acids were orderly more contained arginine, threonine, alanine and glutamine. The contents of L-ascorbic acid and ${\beta}$-camtene of the pumpkin seed sprout were gradually increased with increasing sprouting days. The bitter taste material of head part of the pumpkin seed sprout was detected at Rf value 0.72 on silicagel TLC plate and separuted as one peak by HPLC. The chemical structure of the puified bitter compound was identified as a cucurbitacin glycoside by MS and NMR. The content of bitter compound at 8 days was contained 42.2 mg per 1kg sprout head.
Protease activities were measured in vegetables used as cooking material or a side dish. Proteases of green pepper (Kwari and Chungyang), perilla leaves, soybean sprout and mungbean sprout were showed high activities. Especially, protease in soybean sprout was the highest activity among them. After dialysis, remaining activities in mungbean sprout, green pepper (Kwari and Chungyang) and perilla leaves were 12, 23, 45% and 37%. In the results of thawing after freezing the proteases, remaining activities in sprout of mungbean and soybean were 100% and 65%. Protease in soybean sprout was showed higher activity and stability than others. Proteolytic effects of soybean sprout on myofibrillar and sarcoplasmic protein were showed higher than stroma protein. In SDS-PAGE, myosin heavy chain, actin and tropomyosin were hydrolyzed with increasing time. Protease activity was rapidly increased with increasing meat concentration in a early proteolysis reaction, but was slightly increased in later.
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