Bamboo leaf powder was added to Jeolpyun to increase the neutraceutical effects and storage period. The bamboo leaf powder was added to rice flour at ratios of 0, 4, 6, 8, and 10% (w/w), and they were treated with aqueous malt extract to extend storage. The Jeolpyun was stored at $20^{\circ}C$ for 72 hr, and the physical and sensory characteristics were evaluated. As a result, the crude fat, crude protein, moisture, crude ash and total dietary fiber contents in bamboo leaf powder were 4.36, 11.29, 3.37, 7.33, and 65.57%, respectively. The Hunters L, a, and b values decreased significantly as the amount of bamboo leaf powder increased; however, the a and b values increased during storage. The paste property setback values decreased with the malt extract treatment and with increasing amounts of bamboo leaf powder. In a sensory analysis, hard texture strength in the malt extract and bamboo leaf powder treatment groups was less than that in the control during storage. The Jeolpyun prepared with malt extract and no bamboo leaf powder was the most accepted by consumers. Although adding bamboo leaf powder resulted in less consumer acceptance except for the flavor attribute, adding 4% and 8% bamboo leaf powder resulted in better consumer acceptance for texture, taste, and overall acceptance than that of the control. In a microbial analysis, adding bamboo leaf powder resulted in fewer mold colonies. In conclusion, adding 4% bamboo leaf powder and malt extract to Jeolpyun improved its storage properties.
Yun, Min Heon;Jeong, Hae-Ryong;Yoo, Jang-Hwan;Roy, Swapan Kumar;Kwon, Soo-Jeong;Kim, Joo-Ho;Chun, Hyen Chung;Jung, Ki Yuol;Cho, Seong-Woo;Woo, Sun-Hee
Korean Journal of Plant Resources
/
v.31
no.2
/
pp.124-135
/
2018
The study was performed to explore the molecular changes in the vegetative stage (3-and 5-leaf) of sorghum under waterlogging stress. A total of 74 differentially expressed protein spots were analyzed using LTQ-FT-ICR MS. Among them, 12 proteins were up-regulated and 3 proteins were down-regulated. Mass spectrometry (MS) results showed that about 50% of the proteins involved in various metabolic processes. The level of protein expression of malate dehydrogenase and glyceraldehyde-3-phosphate dehydrogenase related to carbohydrate metabolic process increased in both 3 and 5-leaf stage under waterlogging stress. These proteins are known to function as antistress agents against waterlogging stress. The expression of oxygen-evolving enhancer protein 1 protein related to photosynthesis was slightly increased in the treated group than in the control group, however the expression level was increased in the 5-leaf stage compared to the 3-leaf stage. Probable phospholipid hydroperoxide glutathione peroxidase protein and superoxide dismutase protein related to response to oxidative stress showed the highest expression level in 5-leaf stage treatment. This suggests that the production of reactive oxygen species by the waterlogging stress was the most abundant in the 5-leaf treatment group, and the expression of the antioxidant defense protein was increased.
This study was conducted to estimate the effect of the drought on the changes of chlorophyll, protein and proline content of upper three leaves, and the grain yield components of barley plant (CV. baegdong) subjected to water stress at four stages: late vegetative, boot, anthesis early grain filling. 1. In comparison with leaf posititions in water stress, the first leaf below flag leaf maintained the highest relative turgidity, chlorophyll and protein content and showed the least proline accumulation. And, in terms of growth stages in water stress, chlorophyll was shown to be highest at anthesis stage, protein being highest at boot stage and proline being least at boot stage. 2. In boot stages, culm and spike length, and Number of grains per spike were remarkably decreased. And the weight of 1000 grains was at least level in the early grain filling stage, and also the grain size was comparatively decreased at boot and two following stages. 3. The protein content of grain by water stress, apart from early grain filling stage, was not significantly affected by water stress at different growth stages. 4. The rate of sterility was particularly increased at boot and anthesis stages. 5. It was eventually concluded that the boot stage among four growth stages, and the flag leaf in 3 leaf positions were mostly damaged by water stress at reproductive growth stage.
Chali, Diriba;Nurfeta, Ajebu;Banerjee, Sandip;Eik, Lars Olav
Asian-Australasian Journal of Animal Sciences
/
v.31
no.9
/
pp.1449-1457
/
2018
Objective: The objective was to evaluate feed intake, digestibility, body weight change and carcass characteristics of sheep fed a basal diet of hay supplemented with banana leaves and silver leaf desmodium. Methods: Thirty yearling lambs with an average initial body weight of $15.85{\pm}1.6kg$ were grouped into six blocks of five rams in each block. The treatments were: hay alone (T1), hay+100% banana leaf (T2), hay+67% banana leaf+33% desmodium leaf (T3), hay+33% banana leaf+67% desmodium leaf (T4), andhay+100% desmodium leaf (T5). Three hundred grams of treatment diets were offered daily on as fed basis. The feeding and digestibility trials lasted for 84 and 7 days, respectively, followed by carcass evaluation. Results: The total dry matter (DM) intake for T3, T4, and T5 were greater (p<0.05) than those fed T1 and T2 diets. The lowest (p<0.05) organic matter (OM) intake was recorded in rams reared on T1 diet. The total crude protein (CP) intake was in the following order: T5>T4>T3>T2>T1. Ram lambs receiving supplementary diets had higher (p<0.05) DM, OM, CP, neutral detergent fiber and acid detergent fiber digestibility compared with the control diet. The empty body weight and slaughter weight was highest (p<0.05) in rams receiving T3, T4, and T5 diets. The average daily gain and feed conversion efficiency was highest (p<0.05) in rams receiving the supplementary diets. The dressing percentage on the basis of hot carcass weight linearly increased with increasing levels of desmodium. Rams reared on supplementary diet had higher (p<0.05) rib eye area compared with the control diet. Conclusion: In conclusion, when banana leaf is used as a supplement to poor quality grass, better body weight gain was obtained when fed in combination with desmodium.
Journal of The Korean Society of Grassland and Forage Science
/
v.16
no.4
/
pp.283-290
/
1996
This experiment was carried out to determine the effects of soil condition that previous crop cultivated after [TO: Soil of corn cultivated, T1 : Soil of rye monoculture cultivated(l50kg/ha), T2 : Soil of mixedculture cultivated(Rye : Red clover = 120 : 3koa). T3 : Soil of mixed-culture cultivated(Rye : Red clover = 90 : 6kg/ ha), T4 : Soil of mixedculture cultivated(Rye : Red clover = 60 : 9kg/ha), T5 : Soil of mixedculture cultivated (Rye: Red clover = 30 : 12kg/ha), T6 : Soil of red clover monoculture cultivated(l5kgha)) on the growth characteristics and nutrient yield of silage corn. The results are summarized as follows. 1. The plant length of silage corn was high in order of T6>T5>T4 treatment. In the leaf length, T5 and T6 treatment showed short compared to the other treatments, but they were wider than the other treatments in leaf width. In the number of leaf, T6 treatment was the highest as 14 leaves per plant, while T1 treatment showed lower than the other treatments as 12.6 leaves per plant. 2. In the stem hardness, ear length, ear width and ear full degree, soil treatment of red clover mono-culture cultivation(T6) showed higher than the other treatment as 5.1 1kg/$cm^2$, 20.8~~1, 7.7cm and 97%. respectively (P<0.01, 0.05). Ihe leaf of summer depression did not many occurrence, but T6 treatment was lower than the other treatment as 0.8 leaf per plant. 3. ADF and NDF composition were not affected by soil condition. Crude protein composition of T6 treatment was the highest as 7.8%. while TI treatment was the lowest as 6.9%. Fresh weight yield(59,083kg/ha), dry matter yield(21,743kg/ha), crude protein yield(l,369kg/ha) and TDN yield(15,800kg/ha) at T6 treatment were much more increased by 41.9, 47.5, 57.4 and 49% than TI treatment(39,410, 14,259, 827 and 10,056kg/ha).
This study investigated the effects of high light intensity (100 KLw) and high temperature (45 ℃, dark) on enzyme (glucose-6-phosphate dehydrogenase, acid phosphatase, catalase, peroxidase, and proteinase) activities and characteristics of Panax ginseng C.A. Meyer leaves. Enzyme activity and protein content decreased rapidly under treatment with high light intensity In P ginseng the thermal stabilities of catalase and peroxidase were high (above 70%), and the coagulation rates of soluble proteins were low (below 17%). Therefore, the decrease in enzyme activity and protein content was not caused by increase in leaf temperature due to the high light intensity, but by increase in proteolytic activities. The photochemical formation rate of superoxide radical (O-2) was higher in the P ginseng leaf extracts than in Solanum nigmm, and was accelerated by addition of crude saponin to the buffer extracts.
Proceedings of the Korean Society of Plant Biotechnology Conference
/
2005.11a
/
pp.126-131
/
2005
Richadella dulcifica, a native shrub in tropical West Africa, gives red berries that have the unusual property of modifying a sour taste into a sweet taste. The red berries contain a taste-modifying protein named miraculin. A synthetic gene encoding miraculin was placed under the control of constitutive promoters and transferred to lettuce. High expression of miraculin was obtained, with accumulation of up to 1% total soluble protein in lettuce leaf. In addition, the miraculin expressed in lettuce possesses a taste-modifying activity.
Anbarasu, C.;Dutta, Narayan;Sharma, K.;Naulia, Uma
Asian-Australasian Journal of Animal Sciences
/
v.15
no.5
/
pp.665-670
/
2002
The expediency of replacing cost prohibitive and often inaccessible traditional protein supplements prompted the monitoring of hematological parameters was carried out in female goats at 0, 30, 60 and 90 days post feeding. Rumen environment was (3), respectively fed supplements containing either a leaf meal mixture (LMTM) of Leucaena leucocephala-Morus alba-Tectona grandis (2:1:1) or traditional protein supplements groundnut cake (GNC) or soybean meal (SBM) and wheat straw as basal diet. The periodic monitoring of hematological parameters was carried out in female goats at 0, 30, 60 and 90 days post feeding. Rumen environment was studied in bucks in a $3{\times}3$ switch over design. Rumen liquor was collected at 0, 2, 4, 6 and 8 h post feeding after 4 weeks of feeding. The goats fed on LMTM or GNC had similar dry matter intake (g/kg $W^{0.75}$), which was significantly (p<0.05) higher than SBM. Except for packed cell volume (PCV), none of the blood biochemical constituents (Hemoglobin, serum glucose, total protein, serum albumin (A) and globulin(G), A:G ratio, alkaline phosphatase, transaminases) varied significantly due to replacement of 50% dietary protein by LMTM throughout the experiment. GNC group had significantly higher level of PCV than other treatments. However, the level of serum total protein (p<0.01) tended to increase from 60th day onwards irrespective of dietary treatments. The average rumen pH was significantly higher (p<0.001) on SBM followed by LMTM and GNC, respectively. Total volatile fatty acid (TVFA) production was comparable in goats given LMTM or GNC supplements, the corresponding values were significantly different (p<0.001) when compared with SBM. The ammonical-N, total-N and TCA-precipitable-N (mg/100 ml SRL) did not differ significantly among dietary treatments. It may be concluded that supplementing wheat straw with LMTM based concentrate had no adverse effect on voluntary intake, blood biochemical profile and rumen fermentation pattern of the goats.
This study was undertaken to investigate the antioxidative substance and activity of ethyl acetate extracted from Rumex crispus. Sample extracted follow in proper course of a solvent. Material refinement was carried out using silicagel column and Sephadex LH-20 column chromatography. Material sorting was carried by Gas Chromatography(GC/MS). 1,1-Diphenyl-2-Picrylhydrazyl(DPPH) free radical scavenging and enzyme activity were measured for antioxidative activity. as result of testing by DPPH free radical scavenging activity, Antioxidative activity was shown as the highest in the root, then leaf and stem in order. Ethyl acetate extraction of root part were 50% inhibitory concentration (IC50) Rumex activty(6.1 ug/mL). Rumex nipponicus(9.8 ug/ml) and Rumex acetoceae(31.5 ug/mL) in leaf part. The highest antioxidative activity of sample refined through silicagel column chromatography of Rumex crispus was appealed Fraction 5(IC50;3.57 ug/mL) in root and Fraction 6(IC50;85.9 ug/mL) in leaf. Fraction 5 in roof & Fraction 6 in leaf were refined using Sephadex LH-20 column chromatography. The highest antioxidative activity were appeared Fraction 4 (IC50;3.57 ug/mL) and Fraction 4 (IC50;18.41 ug/mL)in leaf. As for main phenol compounds 2,6-Dichloro-4-nitropnenol and 2-Isopropyl-5-methyl Phenol were identified in root and leaf, While 4-Vinyl-2- methoxy-phenol and 2,3-Dihydro- benzofuran were identifica ted only in leaf. Enzyme activity was shown low both in peroxidase(PDD) Non-activate(IU/mg protein)and in Superoxide dismutase(SOD) non-activate(IU/mg protein). 2,6-Dichloro-4-nitrophenol, 2-Isopropyl-5-methyl phenol, 4-Vinyl-2-methoxy-phenol were obtained in this experiment and these compounds are phenolic compounds which have OH group in the structure. With the result of this study these phenolic compounds which are extracted from Rumex crispus have high antioxidative effect. This antioxidative effect of Rumex crispus can be applied for chromo-preventive and antioxidative supplements which can be used for anti-allegy, aging, anti-tumor, aging and other oxidative disease for health promotion.
The thermal properties of ramie leaf ${\beta}$-amylase (RBA) were examined to develop a novel process for enzyme purification. The thermostability of RBA extract prepared from ramie leaf powder was examined at various temperatures. RBA activity decreased slightly, whereas other carbohydrate-active enzymes, such as $\small{D}$-enzyme, were rapidly inactivated during 30 min incubation at $60^{\circ}C$. When the heat-treated extract was incubated with various substrates, maltose was produced exclusively as the major product, whereas the untreated crude extract produced maltose and other maltooligosaccharides. In sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis, fewer protein bands were observed for the heat-treated extract than the untreated extract, indicating that the thermostable RBA was partially purified and other thermolabile enzymes were eliminated. Thus, the treatment of the RBA extract at $60^{\circ}C$ for 30 min resulted in 5.4-fold purification with a recovery yield of 90%.
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