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2017

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Full-Text Articles in Life Sciences

Korelasi Perubahan Nilai Vo2max, Eritrosit, Hemoglobin Dan Hematokrit Setelah Latihan High Intensity Interval Training, Kukuh Pambuka Putra, Muchamad Arif Al Ardha, Angkit Kinasih, Redyte Setio Aji Dec 2017

Korelasi Perubahan Nilai Vo2max, Eritrosit, Hemoglobin Dan Hematokrit Setelah Latihan High Intensity Interval Training, Kukuh Pambuka Putra, Muchamad Arif Al Ardha, Angkit Kinasih, Redyte Setio Aji

Jurnal Keolahragaan

Kebugaran kardiorespirasi memungkinkan aktivitas fisik dalam waktu lama dan memerlukan oksigen untuk mendapatkan energi. Transpor oksigen dimediasi oleh hemoglobin yang terdapat dalam eritrosit. Kebugaran kardiorespirasi dapat diukur berdasarkan nilai VO2max. Metode latihan High Intensity Interval Training (HIIT) terbukti dapat meningkatkan VO2max. Namun belum jelas apakah peningkatan VO2max diiringi dan berhubungan dengan perubahan nilai hemoglobin, eritrosit dan hematokrit. Penelitian ini mempelajari korelasi perubahan nilai VO2max, hemoglobin, eritrosit dan hematokrit sebelum dan sesudah latihan HIIT selama 8 minggu. Berdasarkan hasil penelitian, VO2max meningkat sebesar 7,33±4,03 (ml·kg-1·min-1) atau 20,36% …

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Pvaast Anallysis Of Alzheimer’S Disease Sequencing Project Pedigree Data, Kristen Crofts, John S. K. Kauwe Dec 2017

Pvaast Anallysis Of Alzheimer’S Disease Sequencing Project Pedigree Data, Kristen Crofts, John S. K. Kauwe

Journal of Undergraduate Research

Alzheimer’s disease is a progressive brain disorder affecting more than 10 percent of Americans over the age of 65 (1). This disease destroys memory and thinking skills and is a leading cause of dementia. Although research in recent years has provided substantial information related to risk factors associated with Alzheimer’s disease, a great deal of information still remains unknown. PVAAST is a software tool that can analyze genome sequence data of Alzheimer’s patients in a creative way by also analyzing the patients’ pedigree information. With the combined information from family members, it is more feasible to identify genetic mutations related …

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Pengaruh Daya Ledak Otot Lengan, Kelentukan Panggul, Dan Koordinasi Terhadap Keterampilan Tolak Peluru Gaya O'Brien, Dwi Rizki Ambarwati, Widiastuti Widiastuti, Karisdha Pradityana Dec 2017

Pengaruh Daya Ledak Otot Lengan, Kelentukan Panggul, Dan Koordinasi Terhadap Keterampilan Tolak Peluru Gaya O'Brien, Dwi Rizki Ambarwati, Widiastuti Widiastuti, Karisdha Pradityana

Jurnal Keolahragaan

Penelitian ini bertujuan untuk menemukan jawaban yang akurat secara ilmiah tentang ada atau tidaknya pengaruh daya ledak otot lengan, kelentukan panggul, koordinasi terhadap keterampilan tolak peluru gaya O'Brien. Metode penelitian yang digunakan dalam penelitian ini adalah pendekatan kuantitatif, metode survei dengan teknik tes dan pengukuran. Sedangkan teknik analisis mengunakan pendekatan analisis jalur (path analysis). Hasil Penelitian ini adalah terdapat pengaruh positif antara power otot lengan terhadap keterampilan tolak peluru gaya O'Brien, terdapat pengaruh positif antara kelentukan panggul terhadap keterampilan tolak peluru gaya O'Brien, terdapat pengaruh positif antara koordinasi terhadap keterampilan tolak peluru gaya O'Brien, terdapat pengaruh positif antara power …

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Pengembangan Latihan Teknik Dasar Judo Melalui Model Permainan Untuk Pejudo Pemula Usia 8-12 Tahun, Africo Ramadhani, Sugeng Purwanto Dec 2017

Pengembangan Latihan Teknik Dasar Judo Melalui Model Permainan Untuk Pejudo Pemula Usia 8-12 Tahun, Africo Ramadhani, Sugeng Purwanto

Jurnal Keolahragaan

Penelitian ini bertujuan untuk menghasilkan model permainan teknik dasar untuk pejudo pemula usia 8-12 tahun, penelitian ini dilakukan dengan mengadaptasi langkah-langkah penelitian pengembangan Borg dan Gall (1983, p. 775), yang diadaptasi menjadi 8 langkah pelaksanaan penelitian, langkah-langkah tersebut antara lain: (1) pengumpulan informasi lapangan (2) analisis informasi yang telah dikumpulkan (3) mengembangkan produk awal, (4) Validasi ahli dan revisi (5) Uji coba lapangan skala kecil dan revisi (6) uji coba lapangan skala besar dan revisi (7) pembuatan produk final (8) uji evektivitas produk. Ujicoba skala kecil dilakukan dilakukan terhadap 20 orang pejudo pemula club judo kota Yogyakarta. Ujicoba skala besar …

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Pengaruh Metode Latihan Drill Dan Koordinasi Terhadap Ketepatan Servis Tenis Meja, Mu'ammar Mu'ammar Dec 2017

Pengaruh Metode Latihan Drill Dan Koordinasi Terhadap Ketepatan Servis Tenis Meja, Mu'ammar Mu'ammar

Jurnal Keolahragaan

Penelitian ini bertujuan untuk mengetahui: (1) perbedaan pengaruh metode latihan drill arah sasaran konstan dan drill arah sasaran berubah-ubah terhadap ketepatan servis backspin tenis meja atlet pemula, (2) perbedaan keterampilan sevis backspin tenis meja antara siswa yang mempunyai koordinasi tinggi dan rendah, dan (3) interaksi antara metode latihan drill arah sasaran konstan dan drill arah sasaran berubah-ubah dan koordinasi terhadap ketepatan servis tenis meja atlet pemula. Penelitiaan ini merupakan penelitian ekperimen dengan rancangan faktorial 2 x 2. Sampel penelitian ini 28 atlet yang diambil dengan teknik rondom sampling. Teknik analisis data yang digunakan adalah analisis varian (Anava). Hasil penelitian …

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Pengaruh Metode Latihan (Resiprokal Dan Inklusi) Persepsi Kinestetik Terhadap Teknik Overhead Lob Forehand Bulu Tangkis, Muhammad Husni Tamim Dec 2017

Pengaruh Metode Latihan (Resiprokal Dan Inklusi) Persepsi Kinestetik Terhadap Teknik Overhead Lob Forehand Bulu Tangkis, Muhammad Husni Tamim

Jurnal Keolahragaan

Tujuan penelitian ini adalah untuk mengetahui: (1) perbedaan pengaruh metode latihan resiprokal dan inklusi terhadap peningkatan teknik overhead lob forehand pada bulu tangkis. (2) Perbedaan keterampilan teknik overhead lob forehand bulu tangkis pada persepsi kinestetik tinggi dan persepsi kinestetik rendah. (3) Pengaruh interaksi antara metode latihan (resiprokal dan inklusi) dan persepsi kinestetik terhadap peningkatan teknik overhead lob forehand pada bulu tangkis. Penelitian ini menggunakan desain penelitian eksperimen faktorial. Teknik analisis data yang digunakan uji normalitas (Kolmogorov Smirnov) dan uji homogenitas (Levene) signifikansi a = 0.05. Hasil penelitian menunjukkan bahwa: (1) ada perbedaan pengaruh antara metode latihan resiprokal dan inklusi terhadap …

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Pengaruh Metode Latihan Dan Koordinasi Mata-Tangan Terhadap Hasil Keterampilan Servis Atas Bola Voli, Yohana Bela Christian Sari, Guntur Guntur Dec 2017

Pengaruh Metode Latihan Dan Koordinasi Mata-Tangan Terhadap Hasil Keterampilan Servis Atas Bola Voli, Yohana Bela Christian Sari, Guntur Guntur

Jurnal Keolahragaan

Penelitian ini bertujuan untuk mengetahui: (1) perbedaan pengaruh metode massed practice dan metode manipulasi jarak servis terhadap hasil keterampilan servis atas (top spin) bola voli (2) perbedaan hasil servis atas (top spin) bola voli yang memiliki koordinasi mata-tangan tinggi dan koordinasi mata-tangan rendah terhadap hasil keterampilan servis atas (top spin) bola voli, dan (3) interaksi antara metode latihan dan koordinasi mata-tangan terhadap hasil keterampilan servis atas (top spin) bola voli. Metode penelitian ini menggunakan eksperimen dengan rancangan faktorial 2 x 2. Populasi penelitian ini adalah anak latih ekstrakurikuler SMP di Kalasan Sleman …

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Pengembangan Alat Tempo Trainer Untuk Membantu Efisiensi Gerakan Lengan Gaya Bebas Cabang Olahraga Renang, Bahtiyar Heru Susanto Dec 2017

Pengembangan Alat Tempo Trainer Untuk Membantu Efisiensi Gerakan Lengan Gaya Bebas Cabang Olahraga Renang, Bahtiyar Heru Susanto

Jurnal Keolahragaan

Penelitian ini bertujuan untuk mengembangkan alat tempo trainer untuk membantu efisiensi gerakan lengan gaya bebas pada cabang olahraga renang. Uji coba skala kecil dilakukan terhadap 4 pelatih dan 10 atlet di perkumpulan renang Tirta Alvita dan Yuso. Uji coba skala besar dilakukan terhadap 10 pelatih dan 25 atlet di perkumpulan renang Tirta Alvita, Yuso, Dolphin, Caesar, dan Arwana. Instrumen yang digunakan untuk mengumpulkan data adalah angket berdasarkan analisis PIECES (performance, information, economic, control, efficiency, service). Hasil penilaian ahli, pelatih, dan atlet terhadap alat tempo trainer menunjukkan bahwa penilaian berkategori baik, valid, dan reliabel. Berdasarkan hasil tersebut, alat tempo trainer yang …

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Pengaruh Metode Latihan Dan Daya Tahan Otot Tungkai Terhadap Hasil Peningkatan Kapasitas Vo2max Pemain Bola Basket, Gregorius Pito Wahyu Prakoso, Fx Sugiyanto Dec 2017

Pengaruh Metode Latihan Dan Daya Tahan Otot Tungkai Terhadap Hasil Peningkatan Kapasitas Vo2max Pemain Bola Basket, Gregorius Pito Wahyu Prakoso, Fx Sugiyanto

Jurnal Keolahragaan

Penelitian ini bertujuan untuk mengetahui: (1) perbedaan pengaruh metode circuit training dan metode interval training terhadap hasil peningkatan kapasitas VO2Max bola basket (2) perbedaan hasil peningkatan kapasitas VO2Max bola basket yang memiliki daya tahan otot tungkai tinggi dan daya tahan otot tungkai rendah terhadap hasil peningkatan kapasitas VO2Max bola basket, dan (3) interaksi antara metode latihan dan daya tahan otot tungkai terhadap hasil peningkatan kapasitas VO2Max bola basket. Metode penelitian ini menggunakan eksperimen dengan rancangan faktorial 2 x 2. Sampel penelitian ini 20 anak didik yang diambil dengan teknik Purposive Sampling. …

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Effects Of 60Co Γ Ray Irradiation On Sterilization And Quality Of Sauced Chicken Claw, Peng Ling, Xu Yuanfang, Zhang Qiling, Zhou Yiji, Mao Qingxiu, Li Wenge Dec 2017

Effects Of 60Co Γ Ray Irradiation On Sterilization And Quality Of Sauced Chicken Claw, Peng Ling, Xu Yuanfang, Zhang Qiling, Zhou Yiji, Mao Qingxiu, Li Wenge

Food and Machinery

The effects of the 60Co γ ray irradiation preservation on the sauced chicken claw were investigated by using different irradiation doses. The relationship was analyzed between the irradiation dose and the total bacterial count, nutrients, the composition of amino acids and fatty acids, AC, POV, TVB-N, nitrite as well as chroma. The results showed that the 60Co γ ray irradiation was effective on sterilization, and while the sample was irradiated at the dose of 4.09 kGy, with the total bacterial count reduced to no more than 4.09 kGy. However, no significant effect of the 60Co γ ray …

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Research On Antimicrobial And Antioxidant Activities Of Major Components Of Lemon Peel Essential Oil, Zhang Bin, Hou Xiaozhen, Qin Yi, Ding Xin, Deng Qihai, Huang Linjie Dec 2017

Research On Antimicrobial And Antioxidant Activities Of Major Components Of Lemon Peel Essential Oil, Zhang Bin, Hou Xiaozhen, Qin Yi, Ding Xin, Deng Qihai, Huang Linjie

Food and Machinery

Antioxidant and antibacterial activities in vitro of three major components dl-limonene, γ-terpinene and α-terpineol contained in Eureka lemon peel essential oil as well as its compound were explored in mainly in the determination of DPPH free radical as well as OH· free radical scavenging ability and its bacteriostasis size and MIC against Escherichia coli, Bacillus subtilis and Staphylococcus aureus of the three major components. Results showed that dl-limonene, γ-terpinene, α-terpineol had certain scavenging effect on OH· free radical with clearance rate between 48.45%～77.94%; and the scavenging effect of DPPH free radical was higher than that of LEO at the same …

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Effects Of Leaf Crude Extracts From Gingo Biloba L. On The Preservation Of Litchi, Li Ling, Yan Xuyu, Chen Tiebi, He Fulin Dec 2017

Effects Of Leaf Crude Extracts From Gingo Biloba L. On The Preservation Of Litchi, Li Ling, Yan Xuyu, Chen Tiebi, He Fulin

Food and Machinery

The leaf crude extracts were obtained from Gingo biloba L. using ethanol extraction method, and its preservation on litchi was studied on the aspects of color, VC content, weight loss rate, the total number of bacteria and sensory evaluation. The results showed that leaf crude extract of ginkgo biloba could reduce the loss of water, inhibit the browning, reduce the decrease of VC content, the infection of litchi flesh and the decay rate of litchi, and keep the sensory quality of litchi. Its ability of antibacterial effects and preservation was followed by 0.6% leaf crude extract of ginkgo …

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Structure And Properties Of Acetylated Corn Starch Prepared Under Ultra High Pressure (Uhp), Pu Huayin, Ma Yun, Huang Meng, Xu Yao, Fan Fan, Liu Shuhan, Huang Junrong Dec 2017

Structure And Properties Of Acetylated Corn Starch Prepared Under Ultra High Pressure (Uhp), Pu Huayin, Ma Yun, Huang Meng, Xu Yao, Fan Fan, Liu Shuhan, Huang Junrong

Food and Machinery

The acetylated starches from corn were prepared under ultra high pressure (UHP) by acetic anhydride as reaction reagent, and NaCl as the reaction medium. The structure and properties of acetylated starches were analyzed by using light microscope, X-ray diffractometer and rapid viscosity analyzer. The results indicated that the granular acetylated starch showed a similar crystallite structure as that of native starch. In addition, the acetylated starches were gelatinized when treated at 600 MPa and the structure of starch granules was gradually destroyed, whereas the crystal structure was transformed from the A-type crystallite to the V-type crystallite. However the gelatinization negatively …

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Study On Correlation Between Texture Characteristics And Sound Insulation Coefficient Of Bread, Liang Yi, Feng Tao, Zhang Zihan, Wang Jie, Wang Jing Dec 2017

Study On Correlation Between Texture Characteristics And Sound Insulation Coefficient Of Bread, Liang Yi, Feng Tao, Zhang Zihan, Wang Jie, Wang Jing

Food and Machinery

The texture parameters and sound insulation coefficients of the whole wheat bread and white bread were measured according to the difference of the standing time, and the least squares regression analysis was carried out according to the maximum Pearson coefficient of sound insulation coefficients. The results showed that the hardness, elasticity, adhesion and chewiness of whole wheat bread were linear with the sound insulation coefficient of specific frequency. However, no significant linear relationship was found in the studies on the white bread.

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Quality Indifferent Degrees Of Softness Of Pickles And Itsprincipal Components Analysis Of Volatiles, Huang Shenglan, Du Muyin, Zhou Xianrong, Tang Yanyan, Li Yuzhu, Long Mou, Yu Lihong Dec 2017

Quality Indifferent Degrees Of Softness Of Pickles And Itsprincipal Components Analysis Of Volatiles, Huang Shenglan, Du Muyin, Zhou Xianrong, Tang Yanyan, Li Yuzhu, Long Mou, Yu Lihong

Food and Machinery

Taking softened radish pickles as research object, the present study explored the differences in physicochemical property and flavor substance of normal pickles and pickles with different softness, determined the flavor and analyzed the main ingredients of pickles with eadspace solid-phase microextraction-gas chromate graphy-mass spectrometry, HS-SPME-GC-MS. The experimental results showed that the acidity and salinity of softened pickles were higher than those of normal pickles. The texture index, sensory evaluation of normal pickles were all better than softened pickles, and the 4 kinds of pickles were all yellowish green. 41, 32, 37 and 30 volatile ingredients were detected in normal pickles …

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Analyses Of The Volume Of The Polybasic Acids And Higher Fatty Acids And Their Effect On Tobacco Quality, Xue Yun, Long Zhangde, Yan Jun, Liu Hong, Li Xinqin, Hu Zhizhong, Pan Yongcheng, Lin Shunshun, Zhang Xiaoming Dec 2017

Analyses Of The Volume Of The Polybasic Acids And Higher Fatty Acids And Their Effect On Tobacco Quality, Xue Yun, Long Zhangde, Yan Jun, Liu Hong, Li Xinqin, Hu Zhizhong, Pan Yongcheng, Lin Shunshun, Zhang Xiaoming

Food and Machinery

The relationship of polybasic acids and higher fatty acid content with sensory quality of tobacco raw materials from the different tobacco growing area in Hunan province was investigated, using non derivatization gas chromatographic method. Seven tobacco samples were collected from three districts/counties, and the content of polybasic acids and higher fatty acids of them were detected. The results showed that the highest content of seven kinds of tobacco among the polybasic acids was propionic acid, followed by 2-Methylbutyric acid and 3-methylvaleric acid. Among the higher fatty acids, the highest content of seven kinds of tobacco was palmitic acid, followed by …

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Antimicrobial Activity And Chemical Composition Of Eucalyptus Essential Oil, Ren Xiaoling, Yue Shuli, Xiang Hong, Liu Huiya Dec 2017

Antimicrobial Activity And Chemical Composition Of Eucalyptus Essential Oil, Ren Xiaoling, Yue Shuli, Xiang Hong, Liu Huiya

Food and Machinery

To study the antimicrobial potential of vapor-phase Eucalyptus essential oil, the antimicrobial activity and minimum inhibitory concentrations (MIC) were evaluated against the tested microorganisms in vapor, liquid and solid phases. The chemical constitutes of Eucalyptus essential oil and its vapor were analyzed by gas chromatography-mass spectrometry (GC-MS) and solid phase microextraction (SPME) GC-MS. The results demonstrated that Eucalyptus essential oil vapor had obvious antimicrobial effect on the tested microorganisms. The antimicrobial activities of Eucalyptus essential oil vapor against Escherichia coli and Staphylococcus aurous were stronger than that against Aspergillus niger. The MIC value (0.045～0.36 mg/mL) in the vapor phase to …

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Extrusion Analysis Of Tianzi-Shaped Tray Of Food Based On Polyflow, Jiang Weixin, Huang Zhigang, Zhao Yulian, Gu Jin, Wang Xiaofeng, Zhang Kai Dec 2017

Extrusion Analysis Of Tianzi-Shaped Tray Of Food Based On Polyflow, Jiang Weixin, Huang Zhigang, Zhao Yulian, Gu Jin, Wang Xiaofeng, Zhang Kai

Food and Machinery

Using Solidworks 3D modeling software to establish the model of Tian-Shaped plastics profile extrusion die. One-quarter part of the Die was divided into ANSYS grid. The melt of poly lactic acid was used as fluid at 190 ℃ in Polyflow simulation analysis. The flow field simulation results of the normal die and the design of the inverse extrusion die were obtained. The flow field and extrusion shape of seven cross sections were compared and analyzed. And the flow chart of typical sections was compared in depth. The results showed that the flow velocity distribution in the die was more uniform. …

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Study On Impact Characteristics Of Rubber Seeds, Li Zihao, Wang Tao Dec 2017

Study On Impact Characteristics Of Rubber Seeds, Li Zihao, Wang Tao

Food and Machinery

It is an important method to break rubber seeds with the principle of collision. In order to study the breaking mechanics of rubber seeds in the collision process, the instantaneous impact force of rubber seeds was measured by RFP data acquisition system. In this experiment, single factor method was adopted to select the height, angle and initial velocity factors to analyze the influence of various factors on the impact force of rubber seeds. The experimental results showed that (the perspective of the range is 0° to 90°) : When height increased from 0.5 m to 2.0 m, the collision force …

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Integration Of Chinese Cultural Elements In The Design Of Modern Food Packaging, Tian Guikun Dec 2017

Integration Of Chinese Cultural Elements In The Design Of Modern Food Packaging, Tian Guikun

Food and Machinery

The integration of Chinese cultural elements in the modern food packaging design, has many important functions, such as catering to the national identity of the domestic consumers, meeting the needs of foreign culture of foreign consumers, and realizing the modernization of Chinese traditional culture. Therefore, it is necessary to make full use of the representative of Chinese culture，such as characters, colors and patterns and their combinations, then through some specific path, including the traditional culture inheritance and innovation, integrating it into the overall brand strategy for food enterprises, and closely integrated with modern science and technology, so that it can …

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Research On Prediction Model Of Egg Freshness Based On Image Processing, Liu Yingying, Zhong Nan Dec 2017

Research On Prediction Model Of Egg Freshness Based On Image Processing, Liu Yingying, Zhong Nan

Food and Machinery

Egg freshness is an important index to measure the economic quality of eggs, and 98 eggs’ image information of different storage time were collected. In the meantime, the conventional index, includes the weight, the height of protein and chamber of the egg which reflects the egg freshness were measured. To receive a method of nondestructive examination, using MATLAB image processing toolbox as a research tool to measure the area ratio of egg yolk, chamber height and length of the whole egg size. Analyzing the regression model between weight and chamber height, whole egg’s major-minor axis, the regression model between protein …

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Biological Characteristics And Pathogenicity Of Botryosphaeria Parva Isolated From ‘Hongyang’ Kiwifruit, He Jingliu, Qin Wen, Liu Xiaoyan, Li Hongyi, Shen Dandan Dec 2017

Biological Characteristics And Pathogenicity Of Botryosphaeria Parva Isolated From ‘Hongyang’ Kiwifruit, He Jingliu, Qin Wen, Liu Xiaoyan, Li Hongyi, Shen Dandan

Food and Machinery

Objects: In order to understand the biological characteristics of Botryosphaeria parva causing soft rot of ‘Hongyang’ kiwifruit. Methods: The mycelial structure was observed by optical microscopy and transmission electron microscopy. The growth curve was established with dry cell weight. Multiple methods could be induced to sporulate. The optimum growth condition of Botryosphaeria parva, and its relationship between lethal temperature and lethal time, as well as its pathogenicity in other fruits were studied. Results: There were branching, diaphragm and intact cell for the mycelium of Botryosphaeria parva. The growth curve of Botryosphaeria parva was divided into three periods, including lag phase …

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Effect Of Anti-Aging On Human Epidermal Keratinocyte By Uvb Induced For Green Tea Crude Water Extract, Wang Zhen, Liu Zhonghua, Cai Shuxian, Liu An, Wen Yi Dec 2017

Effect Of Anti-Aging On Human Epidermal Keratinocyte By Uvb Induced For Green Tea Crude Water Extract, Wang Zhen, Liu Zhonghua, Cai Shuxian, Liu An, Wen Yi

Food and Machinery

In this study, anti-aging effects of green tea crude water extract were studied using human epidermal keratinocyte as model which induced by ultraviolet B (UVB). The green tea extract of 0～20 μg/mL was added to DMEM cell culture medium, then cells were induced by radiation of 60 mJ/cm2 UVB. The anti-aging effects were studied by cellular morphology, apoptosis level, cell viability, intracellular antioxidant enzyme activity, intracellular active oxygen cluster (ROS) content, malonaldehyde（MDA）content, cell mitochondrial membrane potential and Na+,K+-ATP enzyme activities. The results showed that the crude extract of green tea could obviously improve cell volume, …

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Interventional Effects Of Wild Oenanthe Javanica Extract In Guizhou Province In Type 2 Diabetic Mice, Chen Xiaojing, Guo Xiaoqing, Wu Nayiyu, Dai Tiantian Dec 2017

Interventional Effects Of Wild Oenanthe Javanica Extract In Guizhou Province In Type 2 Diabetic Mice, Chen Xiaojing, Guo Xiaoqing, Wu Nayiyu, Dai Tiantian

Food and Machinery

After 5 weeks feeding, the type 2 diabetes mellitus was established by intraperitoneal injection of low-dose STZ (75 mg/kg), to measure and statistically analyz the body weight, blood lipid level, fastig blood glucose level. The extracs of Oenanthe javanica can prevent the increase of blood glucose and the reduction of blood weight in STZ-induced type 2 diabets mice. In the study, the type 2 diabetic mice modle using high glucose and high fat diet and low dose STZ injection occurred at 3weeks, the achievment ratio was 80%, the aqueous extracts composition mold rate was 40%, the alcohol extracts was 60%. …

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Functional Properties And Optimization Of Microwave Assisted Alkaline Extraction Of Dietary Fiber From Pomelo Peel, Yan Rongling, Liao Yang, Mao Longyi, He Fulin Dec 2017

Functional Properties And Optimization Of Microwave Assisted Alkaline Extraction Of Dietary Fiber From Pomelo Peel, Yan Rongling, Liao Yang, Mao Longyi, He Fulin

Food and Machinery

The extraction technology of dietary fiber from Jiangyong pomelo peel by microwave assisted alkali method was established and the physicochemical properties and antioxidant activity of dietary fiber were analyzed. The results showed that, ensuring the extraction rate of soluble dietary fiber preferentially, the optimum extraction process of dietary fiber were solid-liquid ratio of 110 (g/mL), NaOH concentration of 8%, microwave time 40 s and microwave power 350 W. With the contrl of the optimal conditions, the maximum extraction yield rate of soluble dietary fiber (SDF) and insoluble dietary fiber (IDF) was 40.8% and 45.1%, respectively. Moreove, the dietary fiber showed …

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Study On Microwave-Assisted Extraction And Antioxidant Activity Of Total Saponins From Chenopodium Quinoa Peel, Yang Jie, Gao Fengxiang, Yang Min, Bian Hongyu, Zhang Shigang, Zhao Erlao Dec 2017

Study On Microwave-Assisted Extraction And Antioxidant Activity Of Total Saponins From Chenopodium Quinoa Peel, Yang Jie, Gao Fengxiang, Yang Min, Bian Hongyu, Zhang Shigang, Zhao Erlao

Food and Machinery

The microwave-assisted extraction process of total saponin from Chenopodium quinoa peel of quinoa was optimized by one-factor combined response surface method with total saponin yield as index. The antioxidant activities were evaluated by DPPH free radical, hydroxyl radical and ABTS free radical method. The results showed that the ethanol concentration, microwave power and solid-liquid ratio had a significant effect on the total saponin yield. The optimum conditions were ethanol concentration 68%, microwave power 455 W, solid-liquid ratio 132 (g/mL), microwave time 10 min, and extraction times 2 times. The yield of total saponin from Chenopodium quinoa peel was 26.329 mg/g. …

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The Technology Optimization Of The Freezing Microwave Treatment Assisted Extraction Of Phenols From Red Grape Juice, Hong Meiling, Feng Zuoshan, Bai Yujia, Zheng Wancai, Ma Dexiu Dec 2017

The Technology Optimization Of The Freezing Microwave Treatment Assisted Extraction Of Phenols From Red Grape Juice, Hong Meiling, Feng Zuoshan, Bai Yujia, Zheng Wancai, Ma Dexiu

Food and Machinery

In order to promote the rapid dissolution of anthocyanins and other polyphenols in colored grapes into grape juice, taking cabernet sauvignon grape as raw materia, using non thermal processing technology combined with freezing microwave treatment. Based on the single factor experiment, choosing the anthocyanin and polyphenol content of dual response value. Factors such as sample quality, freezing time, freezing temperature, microwave time and microwave power were selected as optimization factors, designed optimization of response surface methodology based on Box-Behnken experimental design principle. The optimum conditions for the simultaneous optimization of the two indicators were as follows: The sample quality was …

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Study On Optimization And Effect Of Microwave Assisted Dilute Acid Degradation Of Corn Cob, Zhu Liyan, Yang Xiaorui, Wang Wei, Liang Jinhua, Zhu Jianliang Dec 2017

Study On Optimization And Effect Of Microwave Assisted Dilute Acid Degradation Of Corn Cob, Zhu Liyan, Yang Xiaorui, Wang Wei, Liang Jinhua, Zhu Jianliang

Food and Machinery

In order to improve the utilization rate and economic benefit of lignocellulose, the hydrolysis of corncob was studied by the method of using dilute acid as catalyst under microwave irradiation. Through single factor and orthogonal way ,the influences of microwave radiation time, microwave power, acid concentration, solid-liquid ratio and particle size of corncob were discussed with sugar yield and raw material conversion rate as index ; Raw materials and three methods of treatment of hydrolyzed residue were analyzed by scanning electron microscopy (SEM) and infrared spectroscopy (FT-IR).The results showed that the optimal reaction conditions were as follow: corncob was crushed …

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Research Progress Of Detection Technology And Degradation Dynamics Of Spirotetramat In Fruits And Vegetables, Ye Yufeng, Zhou Jie, Liu Yan, Ao Yan, Zhu Lisha, Zhang Jing, Jiao Bining Dec 2017

Research Progress Of Detection Technology And Degradation Dynamics Of Spirotetramat In Fruits And Vegetables, Ye Yufeng, Zhou Jie, Liu Yan, Ao Yan, Zhu Lisha, Zhang Jing, Jiao Bining

Food and Machinery

In order to get a comprehensive understanding of the residual level and metabolism of spirotetramat in fruits, vegetables and soils and reasonable evaluation of the medication safety, we discuss the research progress of the spirotetramat on its registration, limited standard, detection technology, degradation dynamics and residual status. Finally, the relative advises were put forward to solve the existing problems in the application of spirotetramat.

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Effect Of Microwave Drying Conditions On Volatile Oil Content In Zanthoxylum Schinifolium And Its Process Optimization, Peng Lin, Tian Bin, Wang Lin, Kan Jianquan, Chen Hourong Dec 2017

Effect Of Microwave Drying Conditions On Volatile Oil Content In Zanthoxylum Schinifolium And Its Process Optimization, Peng Lin, Tian Bin, Wang Lin, Kan Jianquan, Chen Hourong

Food and Machinery

The Optimization of the microwave drying process was investigated using the response surface method in the “Jiuyeqing” Zanthoxylum schinifolium,with enzyme-inactivated by steam. The effects of microwave power, volume and intermittent microwave time on the content of volatile oil in microwave-dried Z. schinifolium were studied, and the suitable influence range was determined. On the basis of single factor experiment, the content of volatile oil was based on the Box-behnken Center combination test design principle, and the microwave drying regression model of it was established. The results showed that the optimal microwave drying parameters were as follows. The microwave power was 354.26 …

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