ch03 deterioration factors and their control

... processing - Ch03 Deterioration factors and their control Chapter Deterioration factors and their control Contents - Previous - Next A summary of overall deterioration reactions in fruits and vegetables ... 5:48:15 PM] Fruit and vegetable processing - Ch03 Deterioration factors and their control e f g h moisture and dryness; air and in particular oxygen; light; time Extrinsic factors controlling the ... Fruit and vegetable processing - Ch03 Deterioration factors and their control The two major groups of micro-organisms found in foods are bacteria and fungi, the latter consisting of yeasts and...

Ngày tải lên: 05/04/2015, 17:22

... to minimize microbial food safety hazards in fresh and minimally processed fruits and vegetables and mandated a Hazard Analysis and Critical Control Point (HACCP) program to achieve a 5-log reduction ... The design and implementation of HACCP and application of alternative processes provide the current strategy for microbial control and ensuring shelf life and safety of fruit juice and beverages ... harvesting, postharvest handling, washing, and cooling and storage PREVENTIVE MEASURES IN THE ORCHARD Contamination of fruits with feces of animals such as deer,8 seagulls,9 and cattle and other ruminants10...

Ngày tải lên: 25/10/2013, 21:20

... compression and enhancement in telephone and data communication systems, high fidelity broadband coding in audio and digital TV systems, speech enhancement for speech and speaker recognition systems, and ... speech and audio signal enhancement and restoration (Childers, 2000; Davis, 2002) to reduce the noise produced by air conditioning equipment and motors (Kuo & Morgan, 1996), and so forth, and to ... different groups: the narrowband speech coders used in telephone and some video telephone systems, in which the quality of telephonebandwidth speech is acceptable, and the wideband coders used in audio...

Ngày tải lên: 01/06/2014, 01:20

... short-term and long-term CBMs), and the cone-shape illumination model (CSIM, used to identify shadows and highlights) N P Cuntoor and R Chellappa further emphasize the behavioral analysis problem in their ... transmission and storage of video, audio, and health data in energency and home care sitiuations,” by Ivano Barbieri et al In this case, the focus is put on the efficient transmission of large-bandwidth ... Advances in Signal Processing data/video/audio and telemedical applications The audio and video codecs H.264 and G723.1, respectively, were implemented and optimized in order to obtain high performance...

Ngày tải lên: 22/06/2014, 19:20

... algae and their properties with regards to oil production, requirements and key factors in microalgal cultivation, methods and challenges in harvesting and processing of algal biomass, economic and ... Chapter 21 The theoretical and practical aspects related to the functioning, design and operation of adsorbers and their application to the purification of biodiesel product and feedstocks are comprehensively ... Esterification 359 Marcio Jose da Silva, Abiney Lemos Cardoso, Fernanda de Lima Menezes, Aline Mendes de Andrade and Manuel Gonzalo Hernandez Terrones Chapter 18 An Alternative Eco-Friendly Avenue...

Ngày tải lên: 26/06/2014, 23:21

... algae and their properties with regards to oil production, requirements and key factors in microalgal cultivation, methods and challenges in harvesting and processing of algal biomass, economic and ... Chapter 21 The theoretical and practical aspects related to the functioning, design and operation of adsorbers and their application to the purification of biodiesel product and feedstocks are comprehensively ... Esterification 359 Marcio Jose da Silva, Abiney Lemos Cardoso, Fernanda de Lima Menezes, Aline Mendes de Andrade and Manuel Gonzalo Hernandez Terrones Chapter 18 An Alternative Eco-Friendly Avenue...

Ngày tải lên: 12/08/2014, 05:20

... design factors can be established The selected factors were: molar ratio alcohol/oil, percentage of catalyst, temperature and washing agent, where the first three are design variables and the ... number of levels and k is the number of factors, i.e which has a total of 24 treatments and is carried out a duplicated for each one, as should be taken into account the time limit and the project ... gels and their appearance was opaque, were the samples where used 0.5% NaOH Opaque samples as the 3, and are because have much water content, this might be for the washes with water at 40 °C and...

Ngày tải lên: 12/08/2014, 05:20

... microalgae cells and it varies from strain and growth conditions There are many nutritional and environmental factors controlling the cell growth and lipid contents, such as organic and inorganic ... location and storage in ER and LB, mobilization and degradation processes (Dulermo & Nicaud, 2011) Pure glycerol supported growth and lipid accumulation of Rhodotorula glutinis and Candida freyschussii ... a controlled manner, with the purpose to monitor and control the specific growth rate and the flows of nitrogen and carbon utilization Through the judicious management of the feeding rate and...

Ngày tải lên: 12/08/2014, 05:20

... environmental factors such as salinity, pH and dissolved O2 are also important and able to affect algal lipid metabolism In addition to the nutritional and environmental factors, growth phase and aging ... Feedstocks and Processing Technologies sedimentation and for uniform availability of nutrients and light), material for construction, CO2 supply, and removal of O2, pH and temperature control (Kaur ... dioxide, water, and inorganic salts The lipid content and fatty acid composition are species/strainspecific and can be greatly affected by a variety of medium nutrients and environmental factors Carbon...

Ngày tải lên: 12/08/2014, 05:20

... the reaction between a triglyceride and an alcohol that generates a diglyceride and an alkyl ester, the diglyceride and alcohol and finally the monoglyceride and alcohol The concentration of the ... characterized by its density, viscosity, high heating value, cloud and pour points and flash points according to ASTM standards Results and discussion 3.1 Effect of temperature The effect of temperature ... Kusdiana and Saka’s (2001) pointed out that saturated and unsaturated FAMEs undergo side reactions such as thermal decomposition and dehydrogenation reactions at temperature >400 °C and >350...

Ngày tải lên: 12/08/2014, 05:20

... heterogeneous catalysts and microwaves as a heating source to promote and increase the yielding Algunos catalizadores empleados son: scandium triflate and bismuth triflate (Socha and Sello, 2010), ... (Socha and Sello, 2010) 99.8 99.8 96.2 95.5 90.8 (Mazo and Rios, 2010a) 87.7 (Suppalakpanya et al., 2010a and b) 95.6 86.2 82.8 78.5 77.7 (Mazo and Rios, 2010b) 91.3 85.1 81.4 74.8 74.1 (Mazo and ... savings and higher yields in shorter reaction time (Tierney and Lidstrom, 2005) Microwave heating is based dielectric heating, the ability of some polar liquids and solids to absorb and convert...

Ngày tải lên: 12/08/2014, 05:20

... 55, 60 and 65oC for individual oils-castor, cottonseed and coconut oil and the highest ME conversions obtained for castor, cottonseed and coconut oil transesterification were 92%, 96% and 96% ... Amravati Finally, I would like to thank my family and friends for their patience, motivation and admiration My success is directly related to their love and strong support References Chuaohuymak Pojanalai, ... with non-reactive rectifying and stripping sections at the top and bottom Let us begin by considering a reversible reaction scheme where A and B react to give C and D The boiling point of the...

Ngày tải lên: 12/08/2014, 05:20

... characteristics of RBOBD and its 19 blends 330 Biodiesel – Feedstocks and Processing Technologies Fig 12 Comparison of brake power and fuel consumption time 4.4 Comparison of Brake Power and Total Fuel ... The minimum EGT decrease (9.5%) and maximum decrease (16.3%) of RBOBD and blends were found at 1.1 Kw and 2.98 kW respectively as compared to diesel EGT of B20, B50 and B80 were found to be lower ... Feedstocks and Processing Technologies Fig 19 Comparison of brake power and carbon monoxide emission Fig 20 Comparison of brake power and carbon dioxide emission 4.12 Comparison of Brake Power and NOx...

Ngày tải lên: 12/08/2014, 05:20

... cations and anions, and were used as solvents/catalysts for reactions ILs are nonvolatile and thermal stable, hence they are excellent alternatives to traditional solvents Some ILs are Lewis and ... functional ILs and their cost is too high for industrial applications Therefore, further investigation is necessary to synthesize inexpensive, stable and highly-active ILs Conclusions and future ... Esterification Marcio Jose da Silva1, Abiney Lemos Cardoso1, Fernanda de Lima Menezes1, Aline Mendes de Andrade1 and Manuel Gonzalo Hernandez Terrones2 1Federal 2Federal University of Viçosa/Chemistry...

Ngày tải lên: 12/08/2014, 05:20

... temperature and pressure conditions (70 and 110 C, 760 and 160 mmHg) Their results confirm the pattern already seen in the case of the silica refining of edible oils For the same adsorbent and in ... and glycerides, and enough affinity for soaps, FFA, metals and salts One advantage of adsorption units for the removal of glycerol, glycerides, soaps, phosphatides and metals from biodiesel and ... remaining amounts of glycerol and dissolved catalyst, and also the amphiphilic soaps, MGs and DGs Theoretically speaking if water-washing is used to remove glycerol and dissolved catalyst only,...

Ngày tải lên: 12/08/2014, 05:20

... biogas) Wood and wood, herbaceous and agricultural, aquatic, human and animal wastes, contaminated and industrial waste, mixture Production on surplus agricultural land, surplus degraded land, biomaterials, ... Tabil, L.G and Sokhansanj, S Grinding performance and physical properties of wheat and barley straws, corn stover and switchgrass Biomass and Bioenergy 27, 339–352, 2004 Maniatis, K., and Millich, ... (including municipal) and primary, secondary and tertiary residues Natural forests/woodlands, forest plantations, agroindustrial plantations, trees outside forests and woodlands, agricultural crops,...

Ngày tải lên: 27/01/2016, 15:29

... 2-6 Process Maturity Subfactors, 24 Process Efficacy Subfactors, 24 Process Safety Subfactors, 25 Subfactors for Public and Regulatory Acceptability in a U.S Context, 26 Subfactors for Secondary ... motors would be removed from their SFTs and their fins would be banded Banding the fins prevents them from deploying during subsequent processing This allows easier handling when mounting the rocket ... the firing stand and, after firing, removing them from the stand The motors would then be loaded into a static firing stand, the stand would be moved into the detonation chamber, and the firing...

Ngày tải lên: 22/03/2014, 10:20

... observed between control and transgenic lambs (Ward and Brown 1998) In the G3 generation, Brown and Ward (2000) reported the average difference in body weight between transgenic and controls at 12 ... significantly higher (30.3% and 31.6%), and fat accretion rates were 20.7% and 23.7% lower in transgenic gilts and boars, respectively, compared to controls Body fat, bone, and lean tissue measurements ... quality factors can be influenced by environmental factors such as feeding and management of the animals during their growth, and by postslaughter handling and processing In addition the genetic makeup...

Ngày tải lên: 16/04/2014, 13:05

... (P-treated) and treated with Al(H2PO4)3 at 60ºC (AlN-60ºC) Normally, AlN powder exhibits a large transmittance band at 400–1000 cm-1 and two small transmittance bands at 1300–1350 cm-1 and 1400–1450 ... dispersants, binders and plasticizers and their specific interactions with the AlN protectedsurface and water must be also taken into account, since they affect the sintering density and the final properties ... antenna and bandpass filters All the devices were designed applying a 3D electromagnetic software, and were fabricated and tested successfully The satisfying agreement between theoretical and experimental...

Ngày tải lên: 29/06/2014, 13:20

... strength porous ceramics, optical and thermo-luminescent ceramics, ceramic powders and fibers) and their characterization using a combination of well known and advanced techniques Section II ... crystalline and amorphous phases, and the variation in the mutual solubility of the elements in interstitial phases are factors that lead to unique properties of nanostructured films and their multifunctionality ... the current and initial weights of the sample, K and n are the constant coefficients, and τ is the holding time 16 Advances in Ceramics - Synthesis and Characterization, Processing and Specific...

Ngày tải lên: 29/06/2014, 13:20