نتایج جستجو برای: frozen storage

تعداد نتایج: 210821  

2008
Iwona Ścibisz Marta Mitek

The aim of this work was to investigate the effect of freezing and long-term frozen storage on total phenolic, total anthocyanin contents and antioxidant activity of highbush blueberries (Vaccinium corymbosum L.). In addition, a HPLC method was developed for the determination of individual anthocyanins and chlorogenic acid contents. Blueberries were frozen at –18°C and –35°C and were stored at ...

Journal: :Journal of animal science 1998
F Klobasa M C Goel E Werhahn

Lyophilizing was compared to freezing as a method of colostrum storage. Eight lots of colostrum from the first milking were divided into two equal parts; one was frozen, and the other was lyophilized. Twenty-two newborn calves were divided into two groups and fed either 2 L of frozen and thawed colostrum or 2 L of reconstituted lyophilized colostrum. The calves were bled at 12, 18, 24, and 72 h...

Journal: :Theriogenology 2010
P H Purdy N Tharp T Stewart S F Spiller H D Blackburn

Boar semen is typically collected, diluted and cooled for AI use over numerous days, or frozen immediately after shipping to capable laboratories. The storage temperature and pH of the diluted, cooled boar semen could influence the fertility of boar sperm. Therefore, the purpose of this study was to determine the effects of pH and storage temperature on fresh and frozen-thawed boar sperm motili...

Journal: :IOP conference series 2021

Abstract This study aims to determine the amount of protein content in Aceh cattle beef quadriceps muscle (chuck) and find out best storage between cold frozen levels beef. used 10 samples parts which were divided into 3 treatment groups, group I meat was treated fresh condition, Group II at 8 °C III will be -19 °C. Protein analysed by Independent Samples Test. The results showed that fresh; 15...

2015
Fiona Fouhy Jennifer Deane Mary C. Rea Órla O’Sullivan R. Paul Ross Grace O’Callaghan Barry J. Plant Catherine Stanton

BACKGROUND High-throughput sequencing has enabled detailed insights into complex microbial environments, including the human gut microbiota. The accuracy of the sequencing data however, is reliant upon appropriate storage of the samples prior to DNA extraction. The aim of this study was to conduct the first MiSeq sequencing investigation into the effects of faecal storage on the microbiota, com...

Journal: :Journal of agricultural and food chemistry 2002
Tomoaki Hagiwara Hongli Wang Toru Suzuki Rikuo Takai

Fractal analysis of the morphology of ice crystal particles in frozen food was attempted for frozen soybean curd (tofu). From a microscopic image analysis of the ice crystal particles, it was found that the perimeter of the ice crystal particles could be recognized as a fractal. Effects of the storage time and storage temperature on the fractal dimension (d(p)) of the perimeter of the ice cryst...

A. Shabani B. Shabanpour H. Rostamzad, M. Kashaninejad

  This study was aimed to investigate effects of aqueous citric acid (CA) and ascorbic acid (AA) on lipid oxidation in comparison with effect of vacuum packaging in order to find better treatment to delay improper changes in the Persian sturgeon (Acipenser persicus) fillets during frozen storage due to lipid oxidation. In this study traditional packaging, vacuum packaging, ascorbic acid solutio...

A. A. Motallebi , A. Aghababyan , A. Fazlara , S. Taheri, Y. Aftabsavar ,

  In this study changes in fatty acids profile during frozen storage at -18°C of Cobia (Rachycentron canadum), caught from the Persian Gulf (Bandar Abbas) were studied. Changes in saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs), polyunsaturated fatty acids (PUFAs), EPA+DHA/C16, n-3 PUFA/n-6 PUFA (n-3/n-6) and polyunsaturated fatty acids /saturated fatty acids (PUFA/SFA) were i...

Journal: :Food microbiology 2006
Franklín Georgsson Asmundur E Thornorkelsson Margrét Geirsdóttir Jarle Reiersen Norman J Stern

In total, 215 commercially processed broiler carcasses were examined to determine optimum cultural enumeration, the effects of freezing, method of thawing, and duration of frozen storage on levels of Campylobacter spp. and fecal coliforms. Enumeration studies compared MPN procedures to direct plating onto selective mCCDA agar and indicated equivalency for quantitation of Campylobacter spp. Leve...

Journal: :The Journal of veterinary medical science 2010
Mari Toyonaga Yuuka Sato Miki Morita Masashi Watanabe Hiromichi Oba Tatsuji Mizutani Tatsuya Hori Toshihiko Tsutsui

We observed the influences of low-temperature storage of the feline epididymis on the epididymal semen qualities before and after cryopreservation to identify the optimal duration for low-temperature storage of the epididymis. After excision, the feline epididymis was stored at 4 degrees C for 0-72 hr and then subjected to epididymal sperm collection. When sperm from the refrigerated cauda epid...

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