Digital Commons Network^™

Effect Of 1-Mcp On The Quality Of Sweet Potato Leaves, Wang Yameng, Zhao Xia, Tang Bin, Wei Yaqing, He Xiaomei, Zhang Min

Food and Machinery

The sweet potato leaves were fumigated with 0.5, 1.0, and 1.5 μL/L 1-MCP, and then placed in polyethylene（PE）bags and stored at 11 ℃. The respiration intensity, chlorophyll content, ascorbic acid content, relative conductivity, activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD), decay rate and sensory score were measured every 3 day to explore the changes in the quality of sweet potato leaves. The results showed each concentration of 1-MCP played a certain role in the preservation of sweet potato leaves. The 1.0 μL/L group could effectively inhibit the respiration and delay the increase of relative conductivity, and the …

Comparative Study On The Catechin Content And Antioxidant Capacity Of Different Types Of Tea In Jiangxi, Wang Xueyuan, Liu Jingyi, Hong Yanping, Li Yuwei, Ke Fajun, Chen Xinzhu, Yang Wuying

Food and Machinery

The content of five kinds of catechins in eleven types of famous teas in Jiangxi, including Catechin, L-Epicatechin, (-)-epigallocatechin, Epigallocatechin gallate and (-)-Epicatechin gallate, was determined by high performance liquid chromatogra-phy. Moreover, the antioxidant capacities among the eleven types of tea were compared by measuring vitro antioxidant indexes, i.e. the free radical scavenging ability of DPPH, ABTS⁺, ferric reducing antioxidant power, and the total reduction ability. The results showed that the content of the five kinds of catechin in the tea was different, the content of total catechin did not differ significantly, and the contents of the total …

Study On The Optimum Enzymatic Hydrolysis Technology Of Pleurotus Geesteranus Mushroom Solution, Fang Ruosi, Wu Anyan, Gu Yuting, Chen Zihao, Li Jian, Xiang Yali, Chu Bingquan, Xiao Gongnian, Liu Shiwang, Gong Jinyan

Food and Machinery

Four kinds of dry edible fungi, induding Pleurotus geesteranus mushroom, were used to study the effects of different enzymolysis conditions on the preparation of fresh mushroom solutions and the enzymatic hydrolysis processes were optimized by using response surface method. The results showed that the optimal enzymatic hydrolysis conditions were protease hydrolysis temperature 42 ℃, protease pH 7.30, and cellulase concentration 0.10%, and under this circumstance, the hydro-lysis degree was 18.510%.

Study On Sterilization Effect And Process Optimization Of Dried Bean Curd Bythermosonication Treatment, Wu Ni, Zhao Wuqi, Lu Dan, Zeng Xiangyuan, Zhang Qingan, Song Shujie, Liu Fan

Food and Machinery

In order to obtain the optimum process of thermosonication treatment（TST）sterilization of dried bean curd（DBC）, on the basis of single factor, the ultrasonic power, ultrasonic time and temperature were selected as the factors, and the decreased logarithm value of bacteria, color difference ΔE^*, L^*, a^*, b^*, hardness, chewiness, resilience, springiness, cohesiveness, protein content were used as indicators, the three-factor box Benhnken test was designed and the characteristic index for evaluating the quality of the DBC was screened out by factor analysis, the model was established and the best parameters were optimized. Results: the …

Progress On Effects Of Plant Polyphenols On Intestinal Microecology, Li Hao, Peng Xiyang, Wu Paixuan, Dai Zhiyong, Wang Jiaqi, Zhan Yanhong, He Xiangli

Food and Machinery

This paper discussed the regulation mechanism of plantpolyphenols on intestinal microecology, summarized and analyzed the effects of different kinds of polyphenols and mixed polyphenols extracts on the change of intestinal flora community structure, and prospected the research direction of plant polyphenols and the development of related products in the future.

Optimization Of Basic Formula Of Different Proportions Of Potato Powder Noodles Based On Entropy-Right Method, Zhang Xu, Chen Anjun, Jiang Cheng, Lu Xia

Food and Machinery

In order to provide a practical foundation for the production of potato noodles, comprehensive analyses of the quality indexes of potato noodles using the entropy-right method were conducted, and the basic formula of different proportions of potato noodles were optimized, based on orthogonal experiments. The results showed that the optimized basic formula of noodles was 0.6% salt, 0.4% dietary alkali, 55% water and mixed for 7 min, when the potato flour was 25%. However, when the potato powder ratio was 30%, the optimized formula was 1.2% salt, 0.4% dietary alkali, 60% water and mixed for 6 min. When the potato …

Frost Identification Guide For Canola And Pulses, Ben Biddulph, Department Of Primary Industries And Regional Development, Western Australia

Bulletins 4000 -

Frost damage reduces crop yield and grain quality. Early identification of symptoms allows timely crop salvage decisions to be made.

Consumer Choice Within Fresh Produce, Victoria C. Ross

Agricultural Education and Communication

This project set out to question whether fresh produce required more specific labeling of pesticides and fertilizer inputs on fresh produce. Like many questions regarding health, environmental science, agriculture, and politics, there is not one simple answer. After listening to professionals and interviewing customers outside grocery stores, it's clear that the majority of consumers are not pursuing additional information, but that there is a small group of customers who would appreciate it. It also became clear that although fear mentality is of concern to professionals in the food industry, consumers don’t seem to understand the negative effects their participation in …

Graduate Internship Report - The Accelerated Schools, Los Angeles, Michael Zappulla

Agricultural Education: Graduate Internship Reports

This document focuses on the introduction of an agriculture program into an urban middle school. Current status, improvements made, and future improvements are all included and addressed. The internship project shows the creation of a school garden and farmers market program with support from local businesses and associations.

Forage News [2019-06], Department Of Plant And Soil Sciences, University Of Kentucky

Forage News

• Managing Pastures this Summer
• 2019 Western Kentucky Summer Forage Tour: Resuscitating a Rundown Farm
• The Wonder Grass: The Story of Tall Fescue in the United States now available
• UK Weed Sceicne to Host a Pair of Field Days at UKREC in Princeton
• Grass Decline? Check Your Cutting Height
• We're Producing and Feeding Less Hay

Graduate Internship Report - Hanford Agriculture Department, Dominica L. Clisso

Agricultural Education: Graduate Internship Reports

This internship and project report includes validation documents required in meeting the quality criteria for secondary-level programs of instruction in agriculture. The documents are concurrently used for the Agriculture Incentive Grant review process at Hanford Agriculture Department conducted by representatives of the California Department of Education. The supporting material includes information to receive state and local funding, outline the goals and objectives of the program, along with an overview of Hanford FFA, the agriculture program and the community.

Nebline, June 2019

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Understanding How Climate Change Affects Nebraska and Agriculture

Are You Drinking or Eating Enough Dairy Foods for the Health Benefits?

Recipe of the Month

Floods and Trees: Helping Trees Recover

Pretty Things That Pollinate

Perennial Plants for Pollinators

Garden Guide: Things to Do This Month

Pollinator Week: June 17–23

Upcoming Early Childhood Trainings

Nebraska Early Development Network

HEART OF 4-H Volunteer: Glenda Willnerd

JUNE 15 DEADLINE: 4-H Member Online Enrollment; Youth for the Quality Care of Animals Requirements for ANY Livestock Exhibitor; 4-H Projects Updated; Volunteer Online Enrollment; 4-H/FFA Animal IDs

4-H Sewing Help

4-H Clover Kids Animal Showmanship Change …

The Dieting Dilemma, Cindy Nelson, Kierstin Harris

All Current Publications

This fact sheet discusses dieting and why some diets don't work. People who want to lose weight, and keep it off, will need to make permanent life changes. Losing weight is not just something that you can do for a couple weeks, it is a lifestyle that you must be willing and able to keep and work hard at to be successful.

Setting Up Your Hive And Installing Bees, Andree Walker-Bravo, Sheriden M. Hansen, Jaydee Gunnell

All Current Publications

Getting your hive set up and your bees installed is an exciting first step for a beekeeper. However, it can also be a confusing and anxious time if it is your first experience. As there are many different methods for installing bees, this fact sheet provides a guide for the first time beekeeper. As you become more comfortable and experienced with your bees, you may modify these recommendations and methods to you own preferences.

Chemical Characterization Of Trichoderma Reesei Degraded Date Pits And Its Effect On Growth Performance And Intestinal Bacterial Population And Antioxidant Status - A Comparative Study With Mannose And Mannan -Oligosaccharide On Broiler, Salem Rashed Ali Rashed Al Yileili

Dissertations

With the increasing apprehension over food safety nowadays, there have been relentless efforts aiming for subrogating antibiotic growth promoters (AGPs) in poultry feeds. Thus, this research study aims at investigating the potential effects of using degraded date pits (DDP) as feedstuff and as a natural alternative for antibiotics in poultry feeding. Two feeding experiments were conducted. In experiment 1, the minimum time of feeding a diet containing 10% DDP is required to induce growth-promoting effects on broiler performance. In experiment 2, the influence of feeding 10% DDP was examined as feedstuff at 10% in broilers diets and a growth-promoting agent …

Effects Of Four Kinds Of Functional Oligosaccharides On The Batter And The Baking Quality Of Sponge Cake, Wang Yongjun, Deng Wenting, Zheng Jianxian, Huang Weining

Food and Machinery

To avoid various issues brought by high-sugar intake from sponge cake, we explored the feasibility of completely replacing sucrose in sponge cake with four kinds of functional oligosaccharides, whose effects on the batter and the baking quality were compared with each other. The results showed that the batters of isomaltooligosaccharide, fructooligosaccharide, and galactooligosaccharide were similar to that of the sucrose group, illustrating promises of introducing healthier formula without sacrificing product quality. The sponge cakes of the three substitute candidates maintained good taste after three-day storage. However, the fourth candidate, inulin, was too strong in water absorption, resulting in low quality …

Study On The Quality And Aroma Components Of Musalais By Different Treatments, Gao Xinyu, Bai Yujia, Zheng Wancai, Chen Lihui, Fan Shihao, Feng Zuoshan

Food and Machinery

Comparison of musalais wine by two concentration methods and the addition of supplementary materials. The quality and aroma components of four kinds of Musalais were studied and analyzed by QDA. The results showed that the total sugar, reducing sugar, soluble solids, pH, clarity, and bioactivity of frozen concentration group were significantly higher than those of the heat concentration group. Among the four kinds of Musalais, esters were the most abundant, up to 65 kinds of aroma-producing substances. The relative content of esters in frozen concentrated Musalais was the highest, about 48.77% of the total volatile substances. The relative content of …

Effects Of Coercion Germination With Aeration And Metal Irons On The Enrichment Of Γ-Aminobutyric Acid In Germinated Brown Rice, Zhang Ying, He Jian, Wang Tao, Wang Ren, Chen Zhengxing

Food and Machinery

In order to shorten the germination cycle of brown rice and increase the content of γ-aminobutyric acid (GABA), the effects of aeration coercion, metal ion coercion and double stress treatment on brown rice (Zhen waxy rice 19) were studied. The effects of the content, germination rate and bud length showed that the aeration treatment during the whole germination process can significantly accelerate the germination rate of brown rice and increase the content of GABA in brown rice in the late germination stage. However, it would lead to the buds being too long. Aeration treatment for 9 h can effectively control …

Development Of Indirect Competitive Elisa For The Detection Of Dibutyl Phthalate In Food, Shang Shuna, Sheng Wei, Wang Lulu, Zhao Qiuxia, Wang Shuo

Food and Machinery

In this study, 4-aminophthalic acid was used to synthesize hapten Dibutyl 4-aminophthalate by esterification reaction, and the synthesized hapten was coupled with keyhole limpet hemocyanin (KLH) by diazotization reaction to prepare the immune antigen and coupled with bovine serum albumin (BSA) to prepare the coating antigen. The New Zealand white rabbits were immunized to obtain the antiserum against dibutyl phthalate. An indirect competitive enzyme-linked immunosorbent assay (ELISA) for dibutyl phthalate was established using the purified antibodies. For the developed ELISA, the IC₅₀ was 40.68 μg/L and the limit of detection was 1.98 μg/L. The method was applied to detect …

Effect Of Ice Temperature Storage On Postharvest Grape Fruit Quality, Zhang Zhe, Zhang Qiuyue, Wang Huaiwen, Guo Xu, Zhang Ping, Zhu Zhiqiang, Tian Jinjin, Wang Sasa

Food and Machinery

In order to clarify the effect of ice-temperature storage on the quality of grape fruit, the quality of Italian grape was studied under four different storage temperatures: super-ice temperature (-3 ℃ and -2 ℃), ice temperature (-1 ℃) and ordinary low temperature (4 ℃). The results showed that the contents of chlorophyll, titratable acid and vitamin C of Italian grapes stored at -3 ℃ were relatively high, which could maintain the nutritional components of grapes well and help grapes to maintain better color and taste during storage.

Ozone Ice Preparation Technology And Its Research Advances In Food Preservation, Yuan Chenghao, Liu Yongle, Huang Yiqun, Wang Jianhui, Huang Shouen, Li Xianghong, Wang Faxiang, Yu Jian

Food and Machinery

Compared with the ozone gas and water, the ozone ice is easy to store and has a long half-life. Furthermore, ozone stored in the ice will be slowly released with the melting process of ice. Due to these precise characters, ozone ice can be used for long-term sterilization for food preservation. Starting from the progress of ozone production technology, the authors introduce the production of ozone, and the preparation of ozone water, and the application of ozone ice in food preservation.

Research Progress On The Bioactive Compounds And Their Bioactivities Of Pepper Seed, Zhong Jin, Liu Yida, Xiao Yu

Food and Machinery

In this revtew, the current research progress on the main nutritional components, bioactive substances and biological activities of pepper seed worldwide were summarized, to provide reference basis and new ideas for its comprehensive utilization.

A Revised Land Ethic: Sustainable And Spiritual Agriculture, Brooke Maitlan Parrett

Student Theses 2015-Present

This paper proposes a return to the land and reconnection of spiritual practices through ethical teachings. Such a land ethic would involve answering the woes of industrial agriculture and providing a framework for farmers, consumers, and policymakers based on sustainable and spiritual considerations of the land. I analyze the loss of spiritual literacy and traditional ecological knowledge in the United States and discuss the spiritual history of agriculture in order to analyze contemporary religious perspectives on farming and agricultural ethics and thereby develop my own recommendations. The land ethic I propose combines sustainability and spirituality to develop intrinsic respect for …

Macronutrient Content Of Winter Annual Cereal Grains With Phosphorus Fertilization, Taylor Anne Young

Graduate Theses/Dissertations

Missouri ranks third in the United States in cow-calf production, and much of the land these cattle graze has acidic soil that is low in plant available phosphorus (P). Proper soil fertility is important to ensure that these forages meet the nutritional requirements of cattle. Tall fescue (Festuca arundinaceum (Schreb.)), has been shown to respond to increased soil P levels with increased growth and leaf concentrations of P, calcium (Ca), magnesium (Mg), and potassium (K). It is unknown if winter annual cereals will respond similarly. The objective of this study is to examine cereal rye (Secale cereal L.), winter wheat …

Sugarcane Straw Blanket Management Effects On Plant Growth, Development, And Yield In Southeastern Brazil, Izaias P. Lisboa, Maurício R. Cherubin, Renato P. De Lima, Maria R. Gmach, Brian J. Wienhold, Marty R. Schmer, Virginia L. Jin, Elizio F.F. Junior, Henrique P. Guerra, Carlos C. Cerri, Carlos E.P. Cerri

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

In Brazilian sugarcane (Saccharum spp.) production systems, the practice of moving harvesting residue from row to inter-row positions (i.e., raking) has increased in response to producer concerns over the potential negative effects of sugarcane straw on crop establishment and stalk yield. Despite increasing adoption among sugarcane farmers, the impacts of straw raking practices on plant growth and yield remain unclear. A 2-yr experiment that included both dry and wet seasons was conducted at two sites in southeastern Brazil to evaluate straw management strategy effects on plant tillering, phytomass accumulation, plant nutritional status, and stalk yield. The experiments were established at …

Assessment Of Household Food Security In Fish Farming Communities In Ghana, Akua S. Akuffo, Kwamena Quagrainie

Department of Agricultural Economics Faculty Publications

The Government of Ghana and international NGOs have been encouraging the adoption of fish farming to alleviate poverty and food insecurity through training workshops, financial contributions and creation of a fisheries ministry. Nevertheless, there is no study on how these efforts have influenced the household’s welfare, particularly their nutritional quality. Based on this, our objective is to identify the ways through which fish farming impacts the household’s nutritional quality. We hypothesize that engaging in fish farming will increase steady income flow and access to fish for the household’s direct consumption. We adopted the Propensity Score Matching (PSM) approach in a …

Analysis Of Rwandan Smallholder Poultry Farmer Needs In Production Manuals, Holly Henry

Poultry Science Undergraduate Honors Theses

As global population continues to grow improving agricultural production become even more important. Smallholder farmers make up a large portion of agricultural production in developing countries (Gueye, 2000; Upton, 2000). East Africa is one sector which has seen growth in poultry production over the pas five years. (Vernooij, Masaki, & Meiher-Willems, 2018). One major constraint to smallholder production is lack of access to educational materials and production guidelines (Mack et al., 2005).

The purpose of the study was to describe methods of production utilized by smallholder farmers in Rwanda and determine what information should be included in a production guide. …

Nebline, May 2019

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

25 Years of Earth Wellness Festival: A Generation of Students Have Learned Value of Environmental Resources

Malcolm 4th Graders Learn About Healthy Choices

Recipe of the Month

2019 Cash Rent Survey

Bagworm Control in Windbreaks

Choosing the Best Bug Spray to Protect Your Family From Mosquitoes and Ticks

2019 Herb of the Year

Garden Guide Things to Do This Month

Children and Mindful Eating

Heart of 4-H Volunteer Award: Susan Martin

Babysitting Training, June 18

4-H Announcements for 4-H'ers and Volunteers

Clover College

Upcoming Landscape Workshops

Extension News: New Domestic Water and Wastewater Extension Associate

Extension News: Two New Interns …

Feasibility Of Custom Aquaponics For Home Use, Jesse Blanchard

Agricultural Economics and Agribusiness Undergraduate Honors Theses

The primary goal of this research is to access the feasibility of implementing and operating small scale aquaponic systems in a home setting to serve as a means of producing high quality fresh produce and fish protein to supplement similar store-bought products. Factors such as system cost, skill level and management requirements will be addressed alongside customizable, educational and sustainable aspects of aquaponic systems to determine whether home aquaponic systems are a feasible option for the home grower. To elaborate, feasibility in this research will refer to both economic costs relative to costs of the system. Outlined in this short …

Consumer Perceptions Of Organic, Natural, And Conventional Products When Provided At The Same Price., Kylee Sigmon

Agricultural Education, Communications and Technology Undergraduate Honors Theses

Today’s grocery stores are filled aisle to aisle with an overwhelming variety of options for the consumer. In a consumer-driven market structure, the food industry has grown to encompass many niche markets which meet the ever changing demands of consumers. From organically produced food to more modern agriculture practices and even to finding non-meat protein alternatives, the options are endless. However, in the United States (a country with a higher level of disposable income compared to others), the question arises are customers educated about what the products truly are that they are spending a price premium on?

This study assessed …