scholarly journals Appreciation of ethrel on ripening dynamic and on the content of ingredients in processing tomato (Lycopersicon lycopersicum (L.) Karsten) varieties

2006 ◽  
Vol 12 (4) ◽  
Author(s):  
L. Helyes ◽  
J. Dimény ◽  
A. Lugasi ◽  
Gy. Schober ◽  
Z. Pék
Keyword(s):  
Quality Factor ◽  
Food Products ◽  
Fresh Weight ◽  
Processing Tomato ◽  
Lycopersicon Lycopersicum ◽  
Important Quality ◽  
Lycopene Content ◽  
Tomato Products ◽  
Ripening Rate

Tomato (Lycopersicon lycopersicum (L) Karsten) is an important crop cultivated in Hungary. Ethrel has been used to advance maturity and promote uniform ripening of processing tomato since 25-30 years in Hungary. The aims of the present study were 1) to evaluate the effects of two different ethrel concentrations on ripening rate, 2) to investigate lycopene content of different maturity stages, 3) to test the effect of ethrel on lycopene content. It is important to note that the experimental year (in July and August) was very rainy and cool. Ethrel was applied at two rates: 1500 and 3000 ppm. The results clearly indicate that Ethrel can be a useful and effective tool of maturity-enhancement, under present circumstances. Ripening concentration increased significantly by Ethrel. In spite of this, Ethrel treatments did not affect lycopene content of examined varieties significantly. The quality of tomato products are characterised by their lycopene content. Colour is highly important quality factor of food products. The range in lycopene contents from all samples evaluated was 48.7 to 113.0 mg kg-1 fresh weight. Also correlations between lycopene content and colour (a*/b*, and chroma) were investigated also.

scholarly journals Coloring of food by the use of natural color extracted by beetroot (Beta Vulgaris), betalain pigment

2020 ◽  
Author(s):  
Sonika Chaudhary
Keyword(s):  
Beta Vulgaris ◽  
Food Product ◽  
Food Products ◽  
Antioxidant Property ◽  
Natural Food ◽  
Natural Color ◽  
Important Quality ◽  
Vegetables And Fruits ◽  
Betalain Pigment

Color is one of the most important quality attribute in the food products. The purpose of adding color in the foods is to make them attractive, to influence the consumer to buy the product and also to improve the quality of the food product. At the present time the demand of natural color is increased in worldwide due to the awareness of people on therapeutic medicinal properties and their benefits in the place of synthetic colors. Synthetic colors are harmful for health and show toxicity in food products. Natural color are those pigments which is derived from naturally sources such as plants, insects, animals, vegetables and fruits etc. among all these natural dyes, plant based pigments have medicinal values so are mostly preferred. Today the food industry are mostly preferred the use of natural coloring pigment in their food products because the generation of this time is very possessive to their health and preferred the food product which is made from the use of natural color. The present study is based on the use of natural colors in food product in the place of synthetic color. The natural color was extracted from beetroot (Beta Vulgaris) named as betalain pigment. Betalain pigment is rich in antioxidant property, vitamin A and C and also a good source of iron, calcium etc. In this experiment the use of the natural color in the preparation of cookies.Keywords:  natural food color, dyes, extraction, pigment, beetroot, betalain, cookies.

scholarly journals Effect of maturity stage on content, color and quality of tomato (Lycopersicon lycopersicum (L.) Karsten) fruit

2006 ◽  
Vol 12 (1) ◽  
Author(s):  
L. Helyes ◽  
J. Dimény ◽  
Z. Pék ◽  
A. Lugasi
Keyword(s):  
Soluble Solids ◽  
Maturity Stage ◽  
Polyphenol Content ◽  
B Values ◽  
Lycopersicon Lycopersicum ◽  
Cielab System ◽  
Lycopene Content ◽  
Green Stage ◽  
Carbohydrate Contents

Soluble solids (Brix°), carbohydrate, organic acid, lycopene, polyphenols and HMF content of indeterminate round type tomato Lemance F1 fruits were measured in six ripeness stages from mature green to deep red stage. Color of fruits was determined by CIELab system. The L*, a*, b* values were received directly and used to calculate from which the a*/b* and the chroma were calculated. The Brix', carbohydrate, lycopene and HMF content were the highest in the 6111 stake (deep red). Carbohydrate contents constitute nearly 50% of the Brix°. The mature green stage had the lowest acid content but in subsequent stages it was fundamentally unchanged. Polyphenol content changed little during fruit ripening. Lycopene content changed significantly during maturation and accumulated mainly in the deep red stage. Analyses showed that a*/b* was closely correlated with lycopene and can be used to characterize stages of maturity in fresh tomatoes.

scholarly journals Changes in nutraceutical quality of tomato under different organic substrates

2018 ◽  
Vol 36 (2) ◽  
pp. 189-194
Author(s):  
Manuel Fortis-Hernández ◽  
Pablo Preciado-Rangel ◽  
Miguel A Segura-Castruita ◽  
Leonel Mendoza-Tacuba ◽  
Miguel A Gallegos-Robles ◽  
...  
Keyword(s):  
Phenolic Content ◽  
Organic Fertilizers ◽  
Control Treatment ◽  
Organic Substrates ◽  
Fresh Weight ◽  
Tomato Cultivar ◽  
Northern Mexico ◽  
S 100 ◽  
Lycopene Content

ABSTRACT Yield and nutraceutical quality of Sahel tomato cultivar under shade net was evaluated using different mixtures of organic substrates in Coahuila, northern Mexico. The treatments consisted of mixtures using sand (S), vermicompost (VC), solarized bovine manure (SB), agricultural soil (AS) and mineralized compost (MC). The treatments were: T1 (S:VC, 80:20), T2 (S:SB, 80:20), T3 (S:SB:AS, 80:15:05), T4 (S:VC:AS, 80:15:05), T5 (S:MC, 80:20), and a control treatment T6 (S, 100%) with Steiner solution. Yield results showed that the best organic treatments were T5 and T4 with 3.48 and 3.33 kg plant-1, respectively; while the highest yield was in control (T6) with 3.71 kg plant-1. The highest phenolic content in the organic treatment of fruits was 56.94 mg equivalent of gallic acid per 100 g in fresh weight for T5, while the treatment with chemical fertilization obtained 49.82. The greatest antioxidant capacity was obtained in T4, with 478.34 μM equivalent of Trolox/100 g fresh weight. Two colors were evaluated (yellow and red) corresponding to two ripeness phases. Lycopene content in tomatoes was in average 32% higher in the red colored fruits than in the yellow ones, with 3.12 and 2.24 mg lycopene 100 g pulp-1 values, respectively. For the red ones, treatment T5 showed the highest value (3.52) and in yellow ones T1 reported 2.35, while T2 presented the lowest values for both colors. Organic fertilizers based on S:VC can induce good amounts of lycopene in fruits of both colors, as well as improve phenols and antiOX.

scholarly journals Assessment of cadmium and lead content in tomatoes and tomato products

2020 ◽  
pp. 313-319
Keyword(s):  
Health Effects ◽  
Food Products ◽  
The Body ◽  
Lead Contamination ◽  
Lead Content ◽  
Fresh Mass ◽  
Fresh Weight ◽  
Adverse Health Effects ◽  
Tomato Products ◽  
Cadmium And Lead

Background. Cadmium and lead are completely redundant in the human body and any amount of these elements ingested poses a risk of adverse health effects. In non-occupational exposure the highest amount of xenobiotics enters the body with food. Valued for their taste, universal culinary application and health benefits tomatoes and tomato products are consumed almost every day by a large proportion of society. In order to protect consumers’ health it is very important to monitor cadmium and lead content in food products. Objective. The aim of the study was the health assessment of cadmium and lead content in tomatoes and tomato products in relation to their acceptable maximum levels in the relevant legislation. Material and methods. Fresh fruits of the tomato plant and tomato products (juices, purées, concentrates, sauces) were analysed. Heavy metal content (Cd, Pb) was determined by flameless atomic absorption spectrometry (AAS). Before the AAS determination the samples were subjected to pressure mineralisation using microwave energy. Results. Cadmium and lead contents in the studied food products were within the allowed range (the maximum level of cadmium and lead contamination of tomatoes is 0.05 mg/kg and 0.1 mg/kg of fresh mass). The limit for cadmium was exceeded only in a canned tomato concentrate (0.064 mg/kg of fresh mass). The average cadmium content in raw tomatoes and tomato products was: 0.017 mg/kg fresh weight, and lead 0.021 mg/kg fresh weight. Conclusions. Despite the low cadmium and lead contamination of the study samples of tomatoes and tomato products, it seems desirable to constantly monitor the content of these elements in food due to their ability to accumulate in the body and the risk of adverse health effects developing after many years of exposure, even to small doses.

scholarly journals Outcomes of Peer Review for Radiotherapy Treatment Plans With Palliative Intent

2018 ◽  
Vol 14 (12) ◽  
pp. e794-e800
Author(s):  
Dina Thompson ◽  
Kimberly Cox ◽  
James Loudon ◽  
Ivan Yeung ◽  
Woodrow Wells
Keyword(s):  
Peer Review ◽  
Treatment Plan ◽  
Palliative Radiotherapy ◽  
Cancer Center ◽  
Palliative Intent ◽  
Treatment Plans ◽  
Important Quality ◽  
Radiation Medicine ◽  
Radiotherapy Treatment

Purpose: Peer review of a proposed treatment plan is increasingly recognized as an important quality activity in radiation medicine. Although peer review has been emphasized in the curative setting, applying peer review for treatment plans that have palliative intent is receiving increased attention. This study reports peer review outcomes for a regional cancer center that applied routine interprofessional peer review as a standard practice for palliative radiotherapy. Methods and Materials: Peer review outcomes for palliative radiotherapy plans were recorded prospectively for patients who began radiotherapy between October 1, 2015, and September 30, 2017. Recommended and implemented changes were recorded. The content of detailed discussions was recorded to gain insight into the complexities of palliative treatment plans considered during peer review. Results: Peer review outcomes were reviewed for 1,413 treatment plans with palliative intent. The proportions of detailed discussions and changes recommended were found to be 139 (9.8%) and 29 (2.1%), respectively. The content of detailed discussions and changes recommended was categorized. Major changes represented 75.9% of recommended changes, of which 84.2% were implemented clinically. Conclusion: Many complexities exist that are specific to palliative radiotherapy. Interprofessional peer review provides a forum for these complexities to be openly discussed and is an important activity to optimize the quality of care for patients with treatment plans that have palliative intent.

scholarly journals Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria

2018 ◽  
Vol 2018 ◽  
pp. 1-9 ◽  
Author(s):  
John P. Unyimadu ◽  
O. Osibanjo ◽  
Joshua O. Babayemi
Keyword(s):  
Organochlorine Pesticides ◽  
Brackish Water ◽  
Fresh Weight ◽  
Delta Area ◽  
Guideline Value ◽  
Fish Samples ◽  
Landing Sites ◽  
Niger River ◽  
Brackish Water Fish

Investigation of the levels of organochlorine pesticides (OCPs) in fish samples was carried out to assess the contamination status of Niger River. Ten different brackish water species of fish (6 samples for each, making a total of 60) were purchased from landing sites at the Delta area of Niger River. These were Drapane africana, Mochokus niloticus, Chrysichthys nigrodigitatus, Pristipoma jubelini, Vomer septapinis, Pseudotolithus senegalensis, Mugil cephalus, Pseudotolithus elongatus, Sphyraena piscatorum, and Lutjanus goreensis. OCPs were determined using standard methods. Certified reference standards from Accustandard USA were used for the instrument calibration and quantification of OCPs. Twenty OCPs, namely, α-HCH, β-HCH, γ-HCH, δ-HCH, endrin, endrin aldehyde, endrin ketone, heptachlor, heptachlor epoxide, aldrin, dieldrin, endosulfan I, endosulfan II, endosulfan sulfate, methoxychlor, α-chlordane, γ-chlordane, DDE, DDT, and DDT, were identified/quantified using Gas Chromatography (GC) (Hewlett Packard GC 5890 series 11 with electron capture detector). Confirmation was done using Shimadzu GCMS QP2010. The highest concentration of ∑OCPs in the brackish fish samples of the Niger River, 4302±2066 µg/kg fresh weight, with a range of 2237-6368 µg/kg, was detected in Drapane africana, while the lowest concentration, 2320±876.4, with a range of 1006-3288 µg/kg, was found in Mochokus niloticus. The concentration of total OCP compounds varied markedly amongst the different fish species. The guideline value of 2000 µg/kg fresh weight by WHO/FAO was exceeded and therefore implied potential harmful effects on humans. Since contamination of the fish samples was an indication of contamination of the river, the quality of the water for public water supply should be of concern; and therefore further monitoring is suggested.

scholarly journals Challenges and Techniques for Simulating Line Emission

Galaxies ◽  
2018 ◽  
Vol 6 (4) ◽  
pp. 100 ◽  
Author(s):  
Karen Olsen ◽  
Andrea Pallottini ◽  
Aida Wofford ◽  
Marios Chatzikos ◽  
Mitchell Revalski ◽  
...  
Keyword(s):  
Interstellar Medium ◽  
Emission Line ◽  
Line Emission ◽  
Emission Lines ◽  
Synthetic Spectra ◽  
Recent Advances ◽  
The Future ◽  
Important Quality ◽  
Circumgalactic Medium

Modeling emission lines from the millimeter to the UV and producing synthetic spectra is crucial for a good understanding of observations, yet it is an art filled with hazards. This is the proceedings of “Walking the Line”, a 3-day conference held in 2018 that brought together scientists working on different aspects of emission line simulations, in order to share knowledge and discuss the methodology. Emission lines across the spectrum from the millimeter to the UV were discussed, with most of the focus on the interstellar medium, but also some topics on the circumgalactic medium. The most important quality of a useful model is a good synergy with observations and experiments. Challenges in simulating line emission are identified, some of which are already being worked upon, and others that must be addressed in the future for models to agree with observations. Recent advances in several areas aiming at achieving that synergy are summarized here, from micro-physical to galactic and circum-galactic scale.

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