effect of some drying methods on quality of palm date
SAMPLING SAMPLE PREPARATION AND DATA ANALYSIS
Freezing drying heat treatment and chemical preservatives (or a combination) are often used to control enzyme activity with the method used depending on the type of food being analyzed and the purpose of the analysis Lipid Protection Unsaturated lipids may be altered by various oxidation reactions
Valorization Study of Treated Deglet
reproducible product quality mainly because of the inherent limitation in controlling the drying process [8] In the literature there are several studies dealing with the dates treatments and valorisations methods Some of these studies focus on the development of the date's quality in palm [9-10] In addition some works carry out the
Soil Erosion Due to Rainforest Deforestation
Apr 25 2017The logging and clear-cutting of rain forests are some of the leading causes of soil erosion worldwide In the Amazon rain forest of Brazil for example an area the size of a football field is cut every second leaving vast swaths of land vulnerable to wind rains and floods that cause erosion Because tree roots hold
Drying of Exotic Tropical Fruits: A Comprehensive Review
This paper provides a capsule overview of recent experimental studies dealing with the drying of a large assortment of tropical and subtropical fruits also called "exotic" fruits The term exotic includes a number of tropical fruits that are not yet commonly found in global markets but do have the potential to do so in view of their appearance taste and textural and nutritional quality
The Effect of Drying Air Temperature and Humidity on the
Drying kinetics of kenaf core was investigated in a Low Temperature and Humidity Chamber Test The drying experiments were carried out at temperature of 45 50 and 55C and air relative humidity of 10 20 and 30% using a constant air velocity of 1 0 m/s The moisture content data at various drying air conditions were converted to moisture ratio and plotted against time to obtain the drying
Effect of drying temperatures and pre
work This study investigates the effect of various blanching methods on the drying characteristics and quality of bell pepper and to fit the experimental data obtained to some of the generally accepted thin layer drying models 2 Materials and methods 2 1 Drying procedure Freshly harvested red bell pepper (Capiscum annum) samples with nearly
Sterilizing Practices
Although some hospitals continue to date every sterilized product and use the time-related shelf-life practice many hospitals have switched to an event-related shelf-life practice This latter practice recognizes that the product should remain sterile until some event causes the item to become contaminated (e g tear in packaging packaging
Effect of Drying Temperature on the Stability of
The effect of drying temperature (60 100 and 140 C) on the polyphenols' content and antioxidant activity of red grape pomace peels was studied Freeze-dried samples were used as reference Differences on the CIE-LAB color total extractable polyphenols condensed tannins UV−vis spectra and antioxidant activity were evaluated When drying temperature was 100
RETTING PROCESS OF SOME BAST PLANT FIBRES AND ITS EFFECT
The traditional methods for separating the long bast fibres are by dew and water retting Both methods require 14 to 28 days to degrade the pectic materials hemicellulose and lignin Even though the fibres produced from water retting can be of high quality the long duration and polluted water have made this method less attractive
Soil Erosion Due to Rainforest Deforestation
Apr 25 2017The logging and clear-cutting of rain forests are some of the leading causes of soil erosion worldwide In the Amazon rain forest of Brazil for example an area the size of a football field is cut every second leaving vast swaths of land vulnerable to wind rains and floods that cause erosion Because tree roots hold
Effect of different drying techniques on flowability
In this study the effect of four different drying methods (i e oven drying 105C vacuum oven drying 60C freeze drying and spray drying) on the flow characteristics and functional properties of durian seed gum was investigated The purified seed gum was
Storage Temperatures and Procedures
7 Storage Temperatures and Procedures A food service operation needs to have clearly defined storage areas and procedures for several reasons First by providing storage facilities it is possible to purchase supplies in quantities large enough quantities to get price breaks
Determination of Food Quality by Using Spectroscopic Methods
Feb 13 2012FTIR methods for the determination of other minor components present in oils including free fatty acids in refined and crude oils β-carotene in palm oil and phospholipids in vegetable oils have also been reported Likewise fluorescence MIR spectroscopy is used to study adulteration of olive oil by other edible oils
9 8 2 Dehydrated Fruits And Vegetables
Drying or dehydration is the removal of the majority of water contained in the fruit or vegetable and is the primary stage in the production of dehydrated fruits and vegetables Several drying methods are commercially available and the selection of the optimal method is determined by quality
Effect of different drying techniques on flowability
In this study the effect of four different drying methods (i e oven drying 105C vacuum oven drying 60C freeze drying and spray drying) on the flow characteristics and functional properties of durian seed gum was investigated The purified seed gum was
18 Evidence
May 27 2020Some research states that the date palm pollen is used in traditional medicine for enhancing male fertility They are semi-dry and not too sweet They are usually used in cooking Mohammed Akbar and Mohammed Abdul Sattar Khan "Beneficial effects of date palm fruits on neurodegenerative diseases " Neural regeneration research 11 7
Determination of Food Quality by Using Spectroscopic Methods
Feb 13 2012FTIR methods for the determination of other minor components present in oils including free fatty acids in refined and crude oils β-carotene in palm oil and phospholipids in vegetable oils have also been reported Likewise fluorescence MIR spectroscopy is used to study adulteration of olive oil by other edible oils
EFFECT OF BLANCHING METHODS ON
5458 Volume 11 No 7 December 2011 ABSTRACT Various blanching methods and drying temperatures were applied to bell pepper (Capiscum annum) to investigate the effect on drying characteristics Pepperits (Capiscum annum) is an abundant and cheap source of vitamins minerals and fibre However its high moisture content makes it susceptible to deterioration
Investigation of Solar Drying of Ginger (Zingiber
Drying is a simultaneous heat and mass transfer energy intensive operation widely used as a food preservation technique In view of improper postharvest methods energy constraint and environmental impact of conventional drying methods solar drying could be a practical economical and environmentally reliable alternative In the present paper applicability of
Impact of Pretreatments and Drying Temperatures on Quality
Effect of pretreatments and drying temperatures on total phenols content of dried date products: Regarding dried Siwi date products data of total phenols in Table 6 Total phenols ranged from the lowest value 0 428% for control whole date fruits dried at 50C to the highest value 0 507% for date pieces pretreated with sulfur dioxide and dried at 65C
DETERMINATION OF MOISTURE AND TOTAL SOLIDS
Food Quality The texture taste appearance and stability of foods depends on the amount of water they contain Food Processing Operations A knowledge of the moisture content is often necessary to predict the behavior of foods during processing e g mixing drying flow through a pipe or packaging
DETERMINATION OF MOISTURE AND TOTAL SOLIDS
Food Quality The texture taste appearance and stability of foods depends on the amount of water they contain Food Processing Operations A knowledge of the moisture content is often necessary to predict the behavior of foods during processing e g mixing drying flow through a pipe or packaging
Effect of different drying techniques on flowability
In this study the effect of four different drying methods (i e oven drying 105C vacuum oven drying 60C freeze drying and spray drying) on the flow characteristics and functional properties of durian seed gum was investigated The purified seed gum was
Tree planting
Tree-planting is the process of transplanting tree seedlings generally for forestry land reclamation or landscaping purpose It differs from the transplantation of larger trees in arboriculture and from the lower cost but slower and less reliable distribution of tree seeds Trees contribute to their environment over long periods of time by providing oxygen improving air quality
How to Preserve Food by Drying
Here is some useful information on drying meats and the right temperature – Drying Meats Drying Foods Out-of-Doors Sun Drying Drying food in the sun is a safe and economical way to preserve food especially fruits Meats and vegetables however cannot be dried outdoors since they have a low sugar and acid content
Cocoa Beans: Chocolate Cocoa Industry Quality
quality are set out in detail under a number of headings as before but are updated on the basis of new information that has become available Most of these requirements can be met by sound methods of cultivation and appropriate fermentation and drying practices although some are governed by factors beyond the control of the grower Part
Color Flavor Texture and Nutritional Quality of Fresh
The effects of fresh-cut processing techniques and treatments on sensory quality including the appearance texture flavor (taste and aroma) of vegetables and fruits are detailed Keywords fresh-cut fruit vegetable quality color texture flavor nutrients COMPONENTS OF FRUIT AND VEGETABLE QUALITY Quality Defined






