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Articles 10081 - 10110 of 255658

Full-Text Articles in Life Sciences

Convergence In Action: Where Environmental Science Meets Sustainable Development Practice, Herdis Herdiansyah Jul 2025

Convergence In Action: Where Environmental Science Meets Sustainable Development Practice, Herdis Herdiansyah

Journal of Environmental Science and Sustainable Development

Since the introduction of the Sustainable Development Goals (SDGs), the pursuit of human well-being through development and planetary sustainability for a better future has become a global discourse (de Jong & Vijge, 2021; Naseer et al., 2025; Arora-Jonsson, 2023). The SDGs have catalyzed interdisciplinary dialogue and strengthened global commitment (Naseer et al., 2025) by emphasizing the balance and integration of economic, social, and environmental aspects (Sedovs et al., 2025). However, the assumption that all goals can be achieved simultaneously and harmoniously seems hasty and potentially ignores the inherent tensions between ecological and …

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Resilient Greenport Conceptual Model: Integrating Masterplan With Flood And Land Subsidence Disaster Management, Teuku Khamil Syamsura, Kosuke Mizuno, Supriatna Supriatna Jul 2025

Resilient Greenport Conceptual Model: Integrating Masterplan With Flood And Land Subsidence Disaster Management, Teuku Khamil Syamsura, Kosuke Mizuno, Supriatna Supriatna

Journal of Environmental Science and Sustainable Development

Hydrometeorological disasters, such as flooding by seawater intrusion and land subsidence from excessive water resource usage, significantly disrupt maritime traffic and port infrastructure, leading to severe economic and social consequences. This study aims to develop a conceptual model for a disaster-resilient and environmentally friendly port. The primary objective is to analyze the components of the Port Masterplan (RIP), the Greenport concept, current operational conditions, and surrounding disaster threats for develop conceptual model. A mixed-methods approach, integrating quantitative and qualitative analyses, was employed. The study examined various components of the Tanjung Priok Port Masterplan, operational data, and environmental and disaster risk …

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Understanding Offline Pro-Environmental Identity: Factors And Implications, Tusyanah Tusyanah, Rahayu Puji Haryanti, Wijang Sakitri, Ismiyati Ismiyati, Nur Chayati Jul 2025

Understanding Offline Pro-Environmental Identity: Factors And Implications, Tusyanah Tusyanah, Rahayu Puji Haryanti, Wijang Sakitri, Ismiyati Ismiyati, Nur Chayati

Journal of Environmental Science and Sustainable Development

Given global environmental challenges, developing sustainable behavior among pre-service teachers is crucial, as they will be responsible to educate future generations who must contribute to solving environmental problems. Offline pro-environmental identity refers as the individual's environmental commitment in real-life setting. Previous studies have primarily focused on online identity and behavioral intentions, while real-life behavioral context have not been fully examined. The goal of this study was to investigate the effects of the online pro-environmental identity, the perceived behavioral control, and the moral identity on the behavioral intention and the offline pro-environmental behavior. The study employed a quantitative research design and …

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Potential Impact Of Dotted Paropsine Beetle And Other Leaf Beetles On Eucalyptus In Utah, Marion Murray, Victoria Xiong, Megan Kast Jul 2025

Potential Impact Of Dotted Paropsine Beetle And Other Leaf Beetles On Eucalyptus In Utah, Marion Murray, Victoria Xiong, Megan Kast

All Current Publications

Dotted paropsine leaf beetle (DPLB) is an invasive eucalyptus pest native to Australia. Its first U.S. detection was in California in 2022. DPLB feeds on several eucalyptus species, with blue gum as its primary host. Feeding damage includes semicircular notches on leaf edges, defoliation of young leaves, and dieback of shoot tips. DPLB poses a threat to eucalyptus plantings across the western U.S. and to cut foliage producers in Utah.

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Comparison Of Kinematic Outputs And Reliability Of Plug-In Gait Versus Conventional Gait Model 2 During Cycling, Erin Mccallister, Nicholas Russell Jul 2025

Comparison Of Kinematic Outputs And Reliability Of Plug-In Gait Versus Conventional Gait Model 2 During Cycling, Erin Mccallister, Nicholas Russell

International Journal of Exercise Science

International Journal of Exercise Science 18(7): 712-726, 2025. Motion analysis is used to measure proper bicycle fit, avoid injury, and improve cycling performance. Small changes in position can impact joint kinematics and risk for overuse injury. Concerns regarding the often-used biomechanical model Plug-in-Gait (PIG) resulted in the creation of Conventional Gait Model 2 (CGM2). This study aims to compare kinematic outputs of these two models for cycling biomechanics plus between-day reliability of each model. Thirty-five participants participated in two experimental sessions. PiG and CGM2 marker sets were applied, and data was collected while cycling between 80-90 rpm. Model outputs were …

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A Technique For Estimating The Number Of Shoots On Pole-Sized Red Pine: The Relationship Of Selected Tree Parameters To Number Of Shoots In Central Wisconsin Sand Plains Plantations, J. H. Hainze, D. M. Benjamin Jul 2025

A Technique For Estimating The Number Of Shoots On Pole-Sized Red Pine: The Relationship Of Selected Tree Parameters To Number Of Shoots In Central Wisconsin Sand Plains Plantations, J. H. Hainze, D. M. Benjamin

The Great Lakes Entomologist

Diameter at breast height (dbh) , of ten tree parameters tested, was most highly correlated with the number of shoots per tree in six red pine plantations in the central Wisconsin sand plains. Tree height, frequently used as an estimator of shoot number in young conifers, was not highly correlated with shoot number. A strong, nonlinear correlation existed between branch diameter and number of shoots per branch. Multiple regressions using several tree parameters yielded the highest R2 values, however, dbh was judged the simplest and most practical estimator of shoot number for central Wisconsin red pine plantations.

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Effect Of Artificial Defoliation On Broccoli Yield, W. S. Cranshaw, R. J. Default Jul 2025

Effect Of Artificial Defoliation On Broccoli Yield, W. S. Cranshaw, R. J. Default

The Great Lakes Entomologist

Broccoli plants were artificially defoliated at varying plant growth stages and defoliation intensities to determine bases for control decisions with lepidopterous defoliators. Low levels of defoliation (<25%) did not significantly depress head weight at any treatment date. Higher levels of defoliation severity (50%) depressed head weight when inflicted following the development of small (<2 cm) heads. Only complete defoliation (100%) consistently affected head weights. Because of the great ability of broccoli plants to compensate for leaf loss, most pre heading insecticide applications should be able to be eliminated in Minnesota without yield losses.

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Sewage Sludge Application Linked To Increase In Eastern Tent Caterpillar Populations (Lepidoptera: Lasiocampidae), Louis F. Wilson, John H. Cooley, William J. Mattson Jul 2025

Sewage Sludge Application Linked To Increase In Eastern Tent Caterpillar Populations (Lepidoptera: Lasiocampidae), Louis F. Wilson, John H. Cooley, William J. Mattson

The Great Lakes Entomologist

Numbers of Malacosoma americanum caterpillar tents were positively correlated with average numbers and biomass of cherry trees as well as with amount of sludge applied. The enhancing effect of sewage sludge on amounts of black cherry biomass and foliar nitrogen may have been the principal factors leading to higher tent caterpillar populations on fertilized plots.

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Record Of Michigan Mosquito Species (Diptera: Culicidae) Collected In A Natural Focus Of Jamestown Canyon Virus In 1984, Paul R. Grimstad, Michael J. Mandracchia Jul 2025

Record Of Michigan Mosquito Species (Diptera: Culicidae) Collected In A Natural Focus Of Jamestown Canyon Virus In 1984, Paul R. Grimstad, Michael J. Mandracchia

The Great Lakes Entomologist

Data are presented on the seasonal succession of 22 species of mosquitoes collected at the Houghton Lake Wildlife Research Area, Missaukee County, in northcentral Michigan during a three-month period in 1984. Nine species represent new county records.

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Observations On The Nesting And Unique Cachement Behavior Of Calicurgus Hyalinatus (Hymenoptera: Pompilidae), Frank E. Kurczewski, Margery G. Spofford Jul 2025

Observations On The Nesting And Unique Cachement Behavior Of Calicurgus Hyalinatus (Hymenoptera: Pompilidae), Frank E. Kurczewski, Margery G. Spofford

The Great Lakes Entomologist

The components of the nesting and provisioning behavior of Calicurgus hyalinatus are delineated chronologically. The unique cachement of the prey, whereby the spider is suspended from vegetation by its own silken threads, is described. The nesting and provisioning components we observed are compared with those described in the Nearctic and Palearctic literature.

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Cleptes Speciosus In The Great Lakes Region (Hymenoptera: Chrysididae: Cleptinae), Mark F. O'Brien Jul 2025

Cleptes Speciosus In The Great Lakes Region (Hymenoptera: Chrysididae: Cleptinae), Mark F. O'Brien

The Great Lakes Entomologist

Cleptes (Melanocleptes) speciosus Aaron is newly recorded from Michigan, with records from five counties in the Upper and Lower peninsulas. A New York record from near Lake Ontario suggests this western species also has a Great Lakes distribution.

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Nearctic Epiblema: A New Synonymy, A Revised Identity, And Two New Species (Lepidoptera: Tortricidae), William E. Miller Jul 2025

Nearctic Epiblema: A New Synonymy, A Revised Identity, And Two New Species (Lepidoptera: Tortricidae), William E. Miller

The Great Lakes Entomologist

New findings are reported for four species: Epiblema naoma Clarke is a junior synonym of E. iowana McDunnough; E. numerosana (Zeller) is currently misidentified; E. chromata, currently identified as the preceding, is described from Texas and differentiated from E. grossbecki Heinrich by maculation and female genitalia; and E. arctica, recently discovered in the Alaskan tundra, is described and differentiated from the boreal E. lyallana McDunnough by maculation and male genitalia.

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Winter Wheat Cold Hardiness And Fructan Reserves Affected By Rhopalosiphum Padi (Homoptera: Aphididae) Feeding, S. G. Wellso, C. R. Olien, R. P. Hoxie Jul 2025

Winter Wheat Cold Hardiness And Fructan Reserves Affected By Rhopalosiphum Padi (Homoptera: Aphididae) Feeding, S. G. Wellso, C. R. Olien, R. P. Hoxie

The Great Lakes Entomologist

The cold hardiness of 'Winoka' and 'Genesee' winter wheats was each significantly less (P = 0.05) when fed upon by bird-cherry oat aphids, Rhopalosiphum padi, than non-infested seedlings. Aphid feeding also reduced the amount of fructans in crown tissue ca. 20% compared to extracts from crowns of non-infested seedlings. It appears that the cold hardiness of these wheat cultivars may have been reduced because of fructan depletion by insect feeding.

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Control Of Hyadaphis Tataricae (Homoptera: Aphididae) On Honeysuckle Including Observations On Host Plant Resistance, Philip L. Nixon, Carolyn Peet Nixon, James E. Schuster Jul 2025

Control Of Hyadaphis Tataricae (Homoptera: Aphididae) On Honeysuckle Including Observations On Host Plant Resistance, Philip L. Nixon, Carolyn Peet Nixon, James E. Schuster

The Great Lakes Entomologist

llyadaphis tataricae causes witches-brooming to the growing tips of Zabelii and other large bush-type honeysuckles in the north central states. Insecticide tests show that acephate (Orthene), dimethoate (Cygan), or oxydemeton-methyl (Metasystox-R) sprayed monthly in June and July will reduce witches-brooming. Malathion was not effective in reducing damage. Host plant resistance observations indicate that Lonicera x notha, L. x muendeniensis, L. x amoena 'Alba', L. x ).;ylosteoides, and L. tatarica 'Arnold Red' are ll. tataricae resistant. These large bush-type honeysuckles would appear to be good replacements for Zabelii and other susceptible honeysuckles in ornamental plantings.

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Vulnerability Of Hybrid Populus Nursery Stock To Injury By The Tarnished Plant Bug, Lygus Lineolaris (Hemiptera: Miridae), Louis F. Wilson, Lincoln M. Moore Jul 2025

Vulnerability Of Hybrid Populus Nursery Stock To Injury By The Tarnished Plant Bug, Lygus Lineolaris (Hemiptera: Miridae), Louis F. Wilson, Lincoln M. Moore

The Great Lakes Entomologist

The tarnished plant bug injured 21 Populus clones in the clonal nursery of the Packaging Corporation of America in Michigan. Degree of injury ranged from 0.5 to 81.09<. Clone 'Wisconsin 5' sustained the heaviest attack, followed by Imperial Carolina poplar. 'Wisconsin 5' was salvaged by changing the standard and accepting shorter cutting stock for outplanting.

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Interspecific Interactions Between Orchelimum Nigripes And Orchelimum Volantum (Orthoptera: Tettigoniidae), Marianne Niedzlek Feaver Jul 2025

Interspecific Interactions Between Orchelimum Nigripes And Orchelimum Volantum (Orthoptera: Tettigoniidae), Marianne Niedzlek Feaver

The Great Lakes Entomologist

[Excerpt] Interspecific interactions are relatively rare among coinhabiting Orthoptera. Most records are of overzealous males courting females not of their species or, for that matter, inanimate objects. Less frequent are reports of two signalling males interacting, yet these are of interest. Calling songs are used to distinguish species (Alexander 1956). The possibility then exists that the "interference" or, more correctly, the competition for broadcast space that occurs when two closely related species with similar songs interact, may have been influential in shaping aspects of song delivery or pattern.

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State Records And Confirmations Of Odonata From Illinois And Missouri, T. E. Vogt, J. E. Mcpherson Jul 2025

State Records And Confirmations Of Odonata From Illinois And Missouri, T. E. Vogt, J. E. Mcpherson

The Great Lakes Entomologist

The occurrence of several species of Odonata in Illinois and Missouri is reported for the first time including Telebasis byersi Westfall, Tachopteryx thoreyi (Hagen), Aeshna mutata Hagen, Celithemis fasciata Kirby, fodona deplanata (Rambur), and Dythemis fugax Hagen for Illinois; and Cordulegaster obliqua (Say), Gomphus quadricolor Walsh, Helocordulia uhleri (Selys), C. fasciata, and C. verna Pritchard for Missouri. Also, the presence of several species is confirmed including Archilestes grandis (Rambur), C. obliqua. Hagenius brevistylus Selys, and Anax longipes Hagen for Illinois; and Lestes eurinus Say, H. brevistylus, Stylogomphus albistylus (Hagen), Arigomphus villosipes (Selys), A. longipes, and L. deplanata for Missouri.

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Systematics Of Anepeorus (Ephemeroptera: Heptageniidae), W. P. Mccafferty, A. V. Provonsha Jul 2025

Systematics Of Anepeorus (Ephemeroptera: Heptageniidae), W. P. Mccafferty, A. V. Provonsha

The Great Lakes Entomologist

The enigmatic genus Anepeorus has a confused and complex taxonomic history that is discussed and clarified. The genus is redefined and described in the adult stage. Although laryae have been assigned to Anepeorus, these larvae cannot be shown at the present to be Atnepeorus. Two North American species are known from a total of 10 adult specimens . . -tnepeorus rusticus McDunnough and A. simplex (Walsh) are redescribed, and a neotype is designated for the latter species. Genitalic differences are diagnostic, but the penes may be found in different states of inflation and rotation that should not be interpreted as …

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The Effect Of Cellulolytic Enzyme Preparations As In Vitro Improvement For Forage Digestibility, G Bertin, Ph Hellings Jul 2025

The Effect Of Cellulolytic Enzyme Preparations As In Vitro Improvement For Forage Digestibility, G Bertin, Ph Hellings

IGC Proceedings (1977-2023)

The systematic study of commercial preparations of fungal cellulases has been undertaken with the aim of determining the principal components and the contribution of each to the digestion of the plant cell wall. These enzymes, normally have three fold role-silage preservative by hydrolysing the cellulosic wall of plant material, cellulases make available fermentable sugars to the lactic bacteria. -Improvement of digestibility we can increase gain by 1 % of the dry matter in forage. - Improvement of intake if the animal digests more quickly his gut will empty more rapidly thus making it available sooner for a new intake of …

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Effect Of Cellulase Preparation On Fermentation Of Silage, E No, Y Harasawa, A Ataku, N Narasaki, T Sueyoshi Jul 2025

Effect Of Cellulase Preparation On Fermentation Of Silage, E No, Y Harasawa, A Ataku, N Narasaki, T Sueyoshi

IGC Proceedings (1977-2023)

The effects of cellulase preparation (Meicelase) on silage fermentation were studied using the first cutting alfalfa and timothy. In one-liter laboratory silos with Meicelase of 0, 0.2, 0.4 and 0:8% of the fresh grasses, the fermentative quality was examined throughout a 30 day ensilage period. The amount of the lactic acid in the silage with the Meicelase was considerably greater than the control silage with no additive. In addition, the pH of that silage was low and the content of water soluble carbohydrate (WSC) was high. However, the differences in the amount of Meicelase applied had no effects in the …

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Effects Of Sample Drying Method On Estimates Of Nutritive Value Value, S Uchida, H Hayashi, T Horigome Jul 2025

Effects Of Sample Drying Method On Estimates Of Nutritive Value Value, S Uchida, H Hayashi, T Horigome

IGC Proceedings (1977-2023)

The influence of different drying methods for the sample used for analysis on the estimates of the nutritive value of silage was investigated. The silages and hay were made from the same grass and fed to three wethers to determine digestibilities. The samples for analytical use of silages and hay fed, and feces excreted, were prepared by three drying techniques of freeze drying (F), oven drying at 60 C (L) and oven drying at 100 C (H) and then each dried sample was ground in a Wiley mill to pass a 0.5 mm screen. The residual moisture in prepared samples …

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Effect Of Lactic Acid Bacteria On Silage Fermentation, Ph Hellings, G Bertin, M Vanbelle Jul 2025

Effect Of Lactic Acid Bacteria On Silage Fermentation, Ph Hellings, G Bertin, M Vanbelle

IGC Proceedings (1977-2023)

Inoculants were tested to determine their suitability for use as silage aids. Studies carried out in laboratory indicated (1) that the minimum inoculum should be at least 105 viable organisms per gram of fresh fodder and (2) of all bacterial strains tested, only the Lactobacillus and, specifically, L. casei improved storage characteristics. But the efficiency of an inoculant was subordinated to the fermentable sugars content of the crops. In this respect, alfalfa and second cut grass had the lowest potential for ensilage. Energy was supplied as a mixture of milled barley and amylolytic complex. The influence of a 1: 1: …

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Ensilage Of Alfalfa Press-Cake. A Kinetic Model For Ph, Acidity And Nitrogen Evolution, G Amdrich, L Lencioni, R Florentini, G Anelli Jul 2025

Ensilage Of Alfalfa Press-Cake. A Kinetic Model For Ph, Acidity And Nitrogen Evolution, G Amdrich, L Lencioni, R Florentini, G Anelli

IGC Proceedings (1977-2023)

A kinetic model to describe the time evolution of pH, acidity, metabolizable nitrogen and k1 • B, ( a function related to the bacteria concentration) during ensilage of alfalfa press-cake is suggested. The basic hypotheses of the model are given together with the related differential and integral equations. The kinetic model has been tested using experimental data obtained from two samples of alfalfa press-cake respectively ensiled with and without acid addition. The correlation coefficients obtained indicate the reliability of the suggested model.

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Ensilage Of Alfalfa Press-Cake, G Anelli, G Andrich, M Contini, L Lencioni Jul 2025

Ensilage Of Alfalfa Press-Cake, G Anelli, G Andrich, M Contini, L Lencioni

IGC Proceedings (1977-2023)

The Istituto Industrie Agrarie of the University of Pisa has developed a wet green crop fractionation process which involves the ensilage of the press-cake. This note reports some experimental results on the alfalfa press-cake ensiled with or without addition of acid. The evolution of silages was evaluated through organoleptic and chemical parameters. The good behaviour· during the ensilage shows that alfalfa press-cake is suitable to be ensiled even without previous acidification.

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Coagulation Of Sheep Milk Added With Alfalfa Juice And Protein Concentrate, L Lencioni, R Florentini, A M. Pisanelli, C Galoppini Jul 2025

Coagulation Of Sheep Milk Added With Alfalfa Juice And Protein Concentrate, L Lencioni, R Florentini, A M. Pisanelli, C Galoppini

IGC Proceedings (1977-2023)

This note reports some experimental results on the preparation of food-grade products obtained by enzyme coagulation of sheep milk added with alfalfa juice, decolourized whole protein concentrate and cytoplasmic protein concentrate. Working conditions are reported together with the yields, chemical composition and organoleptic properties of the coagula. Products obtained from milk supplemented with low alfalfa juice (��5% dry basis) or protein concentrates (;;;;:10% dry basis) show a good acceptability. The ripening greatly reduces grass flavour and taste.

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Effect Of Remaining Brown Juice In Wet Protein Curd On The Quality Of Leaf Protein After Drying, Y S. Cho, J K. Kim, T Horigome, S Uchifa Jul 2025

Effect Of Remaining Brown Juice In Wet Protein Curd On The Quality Of Leaf Protein After Drying, Y S. Cho, J K. Kim, T Horigome, S Uchifa

IGC Proceedings (1977-2023)

The influence of remaining brown juice ( deproteinised juice) in wet protein curd on the quality of resulting leaf protein was examined. Freshly cut Italian ryegrass and red clover were fractionated into protein curd, brown juice and pressed cake. Various leaf proteins were prepared by drying the protein curds retaining different amounts of brown juice at 65°C followed by acetone-washing, and by immediate acetone-washing of the protein curd. Casein-brown juice mixtures at the ratio of 1 :3 and 1: 6 were also prepared. The crude protein content of the dry matter in brown juice was very low, 9. 9% for …

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The Nutritive Value Of Mixtures Of White Leaf Protein And Other Food Proteins, R Carlsson, P Hanczakowski Jul 2025

The Nutritive Value Of Mixtures Of White Leaf Protein And Other Food Proteins, R Carlsson, P Hanczakowski

IGC Proceedings (1977-2023)

The nutritive value of white leaf proteins were studied, as food supplements. The protein was obtained by heat­fractionation ( Chenopodium quinoa Willd.) or by de-pigmentation (Medicago sativa L. ). The leaf protein was substituting 50% of the protein in a diet, where the remaining 50% came from wheat gluten, soya bean meal, bone-meat meal, fish meal, skim milk or whey. The nutritive value was estimated by the Thomas-Mitchell nitrogen balance method. The proximate chemical composition of the food protein products, and their amino acid composition were analysed. In every mixture but the one with gluten the biological value was higher …

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Effect Of Contamination By Aspergillus Flavus On The Nutritive Value Of Leaf Protein Concentrate Of Leucaena Leucocphala During Storage, H T. Ostrowski-Meissner, I Komang, W Supratman, I Barchia, S Cacang Jul 2025

Effect Of Contamination By Aspergillus Flavus On The Nutritive Value Of Leaf Protein Concentrate Of Leucaena Leucocphala During Storage, H T. Ostrowski-Meissner, I Komang, W Supratman, I Barchia, S Cacang

IGC Proceedings (1977-2023)

Leaf protein concentrate extracted from tree legume Leucaena leucocephala cultivar Cunningham (LLP) was stored under humid tropical conditions (24-28°C and 84-92% rh) in the form of wet cake during a 10 day period. Samples of LLP were taken every second day for chemical analyses and protein quality assays. The effect of storage on dried LLP was also assessed against two control proteins: peanut meal (PNM) and fish meal (FM), either free of aflatoxins or infected by the aflatoxigenic fungus Aspergi_llus flavus to the level 280 mcg aflatoxin B1 equivalent/kg. Storage of wet LLP under such conditions resulted in infestation by …

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Physiological Activity Of Alfalfa Lpc And Brown Juice, A Sagasaki, T Kawakami, M Naito, H Yamada, Y Kuroyanagi, K Suzumura, R Kayama Jul 2025

Physiological Activity Of Alfalfa Lpc And Brown Juice, A Sagasaki, T Kawakami, M Naito, H Yamada, Y Kuroyanagi, K Suzumura, R Kayama

IGC Proceedings (1977-2023)

With the purpose of searching physiological active component(s) contained in alfalfa leaf, green leaf protein concentrate (LPC) and brown juice were tested against the effects on the inutagenicity of mutagen and hyperlipemia. LPC and brown juice were found to inactivate the mutagenicity of 2•aminoanthracene by the Ames test, and the capacity was more powerful in LPC than in brown juice. Further feeding of alfalfa LPC or its brown juice added diet to hamster reduced the total cholesterol and triglyceride levels in serum.

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Influence Of The Age Of Chicken On The Metabolizable Energy Value Of Alfalfa Leaf Protein Concentrate, S Terapuntuwat, I Tasaki Jul 2025

Influence Of The Age Of Chicken On The Metabolizable Energy Value Of Alfalfa Leaf Protein Concentrate, S Terapuntuwat, I Tasaki

IGC Proceedings (1977-2023)

Influence of the age of chicken on the nitrogen corrected metabolizable energy (MEn) value of alfalfa leaf protein concentrate (LPC) was investigated. Chickens of various ages were fed diets containing certain amounts of the LPC, and droppings were collected quantitatively. The MEn of the diets was determined as the difference between consumed energy and excreted energy which was corrected with retained energy as body protein. Then the MEn value of the LPC was calculated using the values of the LPC containing diets and that of cornstarch which was obtained from data for a LPC-free diet. As a result, the MEn …

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