Why is it so difficult to produce high-quality virgin rapeseed oil for human consumption?

2008 ◽  
Vol 110 (7) ◽  
pp. 611-617 ◽  
Author(s):  
Bertrand Matthäus ◽  
Ludger Brühl
Keyword(s):  
Rapeseed Oil ◽  
Human Consumption ◽  
High Quality

scholarly journals Effect of Supercritical Fluid Extraction on the Reduction of Toxic Elements in Fish Oil Compared with Other Extraction Methods

2015 ◽  
Vol 78 (1) ◽  
pp. 172-179 ◽  
Author(s):  
PARVANEH HAJEB ◽  
JINAP SELAMAT ◽  
LEILI AFSAH-HEJRI ◽  
NOR AINY MAHYUDIN ◽  
SHAHRAM SHAKIBAZADEH ◽  
...  
Keyword(s):  
Fish Oil ◽  
Supercritical Fluid Extraction ◽  
Supercritical Fluid ◽  
Toxic Elements ◽  
Soxhlet Extraction ◽  
Extraction Methods ◽  
Human Consumption ◽  
Fluid Extraction ◽  
High Quality ◽  
Low Levels

High-quality fish oil for human consumption requires low levels of toxic elements. The aim of this study was to compare different oil extraction methods to identify the most efficient method for extracting fish oil of high quality with the least contamination. The methods used in this study were Soxhlet extraction, enzymatic extraction, wet reduction, and supercritical fluid extraction. The results showed that toxic elements in fish oil could be reduced using supercritical CO2 at a modest temperature (60°C) and pressure (35 MPa) with little reduction in the oil yield. There were significant reductions in mercury (85 to 100%), cadmium (97 to 100%), and lead (100%) content of the fish oil extracted using the supercritical fluid extraction method. The fish oil extracted using conventional methods contained toxic elements at levels much higher than the accepted limits of 0.1 μg/g.

scholarly journals Production and Maturation of Soaps with Non-Edible Fermented Olive Oil and Comparison with Classic Olive Oil Soaps

Fermentation ◽  
2021 ◽  
Vol 7 (4) ◽  
pp. 245
Author(s):  
Antonio Ferracane ◽  
Alessia Tropea ◽  
Fabio Salafia
Keyword(s):  
Fatty Acids ◽  
Olive Oil ◽  
Sodium Hydroxide ◽  
Virgin Olive Oil ◽  
Extra Virgin Olive Oil ◽  
Raw Material ◽  
Human Consumption ◽  
High Quality ◽  
Olive Cultivar ◽  
Soap Production

The study reports the alternative use of non-edible fermented olives for the production of high-quality natural soaps with a fast production process, low environmental impact, and without preliminary treatments for the raw material. Damaged olives, not used as food, were fermented naturally and the oil was extracted by mechanical extraction. The product obtained was not for human consumption due to its high acidity, but it had a low content of peroxides. The non-edible olive oil obtained and an extra virgin olive oil, produced from the same olive cultivar, were subjected to saponification with sodium hydroxide. The soaps were produced with complete (0% of non-neutralized fatty acids) and incomplete (5% of non-neutralized fatty acids) saponification; the amount of sodium hydroxide to be used was determined with the saponification index. The soaps were aged for six months by monitoring pH, color, and behavior in an aqueous solution. The results show that the olives’ fermentation improves and speeds up the soap production and maturation process since the oil obtained from fermented non-edible olives is more suitable for the saponification process than the oil obtained from non-fermented edible olives. Non-edible fermented olives can be used for obtaining natural and high-quality soaps, reusing drupes classified as food waste.

scholarly journals Microbiological Quality of High Quality Cassava Flour Produced from Selected Varieties of Low Postharvest Physiological Deterioration Cassava (Manihot esculenta Crantz)

2021 ◽  
pp. 27-35
Author(s):  
J. P. Alimi ◽  
S. A. Ahemen ◽  
K. O. Zaka ◽  
N. B. Yepshak ◽  
J. O. Alimi ◽  
...  
Keyword(s):  
Microbiological Quality ◽  
Human Consumption ◽  
Hammer Mill ◽  
High Quality ◽  
Manihot Esculenta Crantz ◽  
Standard Organization ◽  
Important Quality ◽  
Postharvest Physiological Deterioration ◽  
Range Test

The microbial properties of food are important quality characteristics of food materials as it relates directly with the health of the consumer. This study examined the microbiological properties of high quality cassava flours produced from low postharvest physiological deterioration (PPD) cassava. Wholesome four varieties of yellow-fleshed Low PPD cassava and one variety of high PPD cassava were, peeled, washed, grated, pressed, pulverized, flash dried at 120 °C for 8 minutes, milled with cyclone hammer mill fitted with a screen of 250 µm aperture size, cooled and packed into high density polyethylene bag. The high quality cassava flours produced were analyzed for total viable fungal and bacteria count, fungi isolated were further characterized and identified using molecular methods. Data obtained were subjected to one way analysis of variance (ANOVA) using SPSS 25.0 and significant means were separated applying Duncan multiple range test. The mold count ranged from 1.50±0.71 - 2.50±0.71 cfu/ml, with flour produced from IITA-TMS-IBA-011371 and TMEB 419 having the lowest count while the highest was recorded in IITA-TMS-IBA-011368, respectively. The yeast count ranged from 1.00±0.00 - 2.0±0.00 cfu/ml, with flours produced from IITA-TMS-IBA-070593 and IITA-TMS-IBA-011371 having the lowest count while the highest was recorded in flour from IITA-TMS-IBA-011368, respectively. The total viable bacterial and fungal count (microbiological quality) of the flours prepared from IITA-TMS-IBA-011368, IITA-TMS-IBA-070593, IITA-TMS-IBA-011412, IITA-TMS-IBA-011371 and TMEB 419 cassava varieties were within the permissible limit of the microbial load of food allowed for human consumption according to the Standard Organization of Nigeria and CODEX alimentraius.

scholarly journals The Development of High-Quality Multispecies Probiotic Formulations: From Bench to Market

Nutrients ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2453
Author(s):  
Lukas Grumet ◽  
Yorick Tromp ◽  
Verena Stiegelbauer
Keyword(s):  
Product Development ◽  
Functional Properties ◽  
Health Care Professionals ◽  
Manufacturing Process ◽  
Current Knowledge ◽  
Health Benefit ◽  
Human Consumption ◽  
High Quality ◽  
Quality Properties ◽  
Beneficial Effects

Probiotics are live microorganisms that, when administered in adequate amounts, confer a health benefit on the host. To date, there is an increasing number of commercially available products containing probiotics on the market. Probiotics have been recommended by health care professionals for reasons ranging from their long-term immunomodulatory effects to proven benefits in the management of different health conditions. For probiotic products, there are several important aspects that determine the success rate of the development from bench to market. The aim of this review is to explore how the current knowledge on microbe–microbe and host–microbe interactions can be used to develop high-quality, evidence-based probiotic formulations, specifically probiotic dietary supplements, with a focus on the selection of safe strains with relevant functional properties. In addition, we will highlight aspects of the probiotic manufacturing process that need to be considered during the product development and the subsequent manufacturing process to guarantee consistent efficacy of a probiotic product. For each high-quality probiotic formulation, it is important to screen multiple strains, and select only those strains that show relevant functional properties and that can be considered safe for human consumption. In addition, it is imperative that attention is paid to the product development and manufacturing process, and that safety and quality properties are monitored. Importantly, the beneficial effects of probiotics should be evaluated in product efficacy studies and post-marketing surveys in order to demonstrate their clinical efficacy. All these aspects need to be evaluated and validated during the development of a successful high-quality and ready-to-market probiotic.

The effect of an initial high-quality feeding regime on the survival of Gryllus bimaculatus (black cricket) on bio-waste

2019 ◽  
Vol 5 (2) ◽  
pp. 117-123 ◽  
Author(s):  
D. Dobermann ◽  
L. Michaelson ◽  
L.M. Field
Keyword(s):  
Human Consumption ◽  
Cow Manure ◽  
Vegetable Waste ◽  
Gryllus Bimaculatus ◽  
High Quality ◽  
Waste Products ◽  
Feeding Regime ◽  
Pilot Trials ◽  
Significant Difference ◽  
Present Trial

Previous studies have led to claims that insects can offer a solution to several food security hurdles, one of which is the processing of food waste. However, although it has been demonstrated that some insects survive well on bio-waste (e.g. Hermetia illucens), no study, has to date, demonstrated success rearing species more commonly used for human consumption, such as crickets, on biowaste from hatching. This trial aimed to establish if the black cricket, Gryllus bimaculatus, can be reared successfully on bio-waste from hatching. Since, in other livestock sectors it has been established that nutritional requirements vary with age and that diet must be altered accordingly to achieve the best growth, e.g. chick feed to layer mash in chickens, the present trial used a similar feeding regime of an initially high-quality feed to see if this allowed the subsequent survival of crickets on low quality bio-waste products. Pilot trials have demonstrated poor to no survival on beer waste and cow manure and mid-level survival on unprocessed vegetable waste with chicken feed as the control. Based on this, feed regimes of either 1 or 2 weeks high quality feed (chicken feed) and then either 2 or 3 weeks of low quality feed (beer waste or vegetable waste) were tested. Results showed that even 1 week of high quality feed makes a significant difference in survival and end size of crickets subsequently reared on low-quality bio-waste.

scholarly journals Potential of camel meat as a non-traditional high quality source of protein for human consumption

2014 ◽  
Vol 4 (4) ◽  
pp. 13-17 ◽  
Author(s):  
I.T. Kadim ◽  
O. Mahgoub ◽  
M. Mbaga
Keyword(s):  
Human Consumption ◽  
High Quality ◽  
Camel Meat

scholarly journals Evaluation of unripe peels of plantain (Musa paradisiacal L.) as high quality feedstuff for livestock in Nigeria

2021 ◽  
Vol 48 (3) ◽  
pp. 111-121
Author(s):  
J. O. Arogbodo ◽  
S. O. Olowookere ◽  
F. O. Igbe ◽  
I. A. Adebayo
Keyword(s):  
Crude Protein ◽  
Cardiac Glycosides ◽  
Metabolizable Energy ◽  
Human Consumption ◽  
Fruit Peel ◽  
High Quality ◽  
Unripe Fruit ◽  
Industrial Processing ◽  
Musa Paradisiaca ◽  
Standard Procedures

Human consumption and industrial processing of plantain often generate several tonnages of peels annually. These peels are discarded most of the time or heaped up in the dunghills, thereby constituting environmental filth, nuisance and pollution. Apart from the constituted menace, it represents a waste of useful bio-resources. Against this background, this study therefore was carried out to investigate the unripe peels of plantain (Musa paradisiaca L.) as high quality feedstuff for livestock in Nigeria. Unripe mature plantain bunches were harvested, rinsed with distilled water in order to clean out sands and other attached debris before peeling. The peels were chopped into small sizes, weighed (fresh weight), neatly arranged on flat trays and sun dried for a week. The sample was pulverized using Bajaj® Super blender. Extraction of the phytochemical was carried out with ethanol (solvent). Proximate composition, minerals and phytochemical analyses were determined using standard procedures. Obtained data were subjected to descriptive statistics using SPSS (version 23). The results (%) showed that the sun-dried peel contained moisture (6.12), total ash (17.28), crude fat (4.69), crude protein (13.80), fibre (0.21), carbohydrate (57.90), dry matter (93.88) organic matter (82.72), and metabolizable energy (329.01 KCal/100g). Phytochemical screening revealed the presence of saponins > cardiac glycosides > tannins > terpenoids > flavonoids while steroids, alkaloids, phlobatannins, and anthraquinones were undetected. The minerals followed the order K > Na > Ca > Mg > P > Fe > Zn > Cu > Pb > Mn. It was concluded that unripe fruit peel of M. Paradisiaca L. is plenteous in food nutrients and minerals. The phytochemical can be exploited for animal (and possibly humans) drug formulations.     La consommation humaine et la transformation industrielle génèrent souvent plusieurs tonnages de pelures du plantain par an. Ces pelures sont jetées la plupart du temps ou entassées dans les bouses, constituant ainsi de la saleté environnementale, des nuisances et de la pollution. Outre la menace constituée, il représente un gaspillage de bio-ressources utiles. Dans ce contexte, cette étude a donc été réalisée pour étudier les pelures non mûres de 'plantain' (Musa paradisiaca L.) comme aliments de haute qualité pour le bétail au Nigeria.Des grappes de ''plantain matures non mûres ont été récoltées, rincées à l'eau distillée afin de nettoyer les sables et autres débris attachés avant l'épluchage. Les pelures ont été coupées en petites tailles, pesées (poids frais), soigneusement disposées sur des plateaux   Evaluation of unripe peels of plantain (Musa paradisiacal L.) as high quality feedstuff for livestock   plats et séchées au soleil pendant une semaine. L'échantillon a été pulvérisé à l'aide de Bajaj® Super blender. L'extraction du phytochimique a été effectuée avec de l'éthanol (solvant). La composition immédiate, les minéraux et les analyses phytochimiques ont été déterminés à l'aide de procédures normalisées. Les données obtenues ont fait l'objet de statistiques descriptives à l'aide du SPSS (version 23). Les résultats (%) a montré que la peau séchée au soleil contenait de l'humidité (6.12), des cendres totales (17.28), de la graisse brute (4.69), des protéines brutes (13,80), des fibres (0.21 glucides (57,90), matière sèche (93.88), matière organique (82.72) et énergie métabolisable (329.01 KCal/100g). Le criblage phytochimique a indiqué la présence des saponines > des glycosides cardiaques > tanins > terpenoids > flavonoïdes tandis que les stéroïdes, les alcaloïdes, les phlobatannins, et les anthraquinones étaient non détectés. Les minéraux ont suivi l'ordre K > Na > Ca > Mg > P > Fe > Zn > Cu > Pb > Mn. On a conclu que la peau non mûre des fruits de M. Paradisiaca L. est plenteous dans les nutriments alimentaires et les minéraux. Le phytochimique peut être exploité pour des formulations de medicaments animaux (et peut-être humains).

scholarly journals Systematic Literature Review on Organic Farming for Sustainable Agricultural Production

2021 ◽  
Vol 12 (03) ◽  
Author(s):  
ANASTACIA CHEBET
Keyword(s):  
Literature Review ◽  
Organic Farming ◽  
Systematic Literature Review ◽  
Human Consumption ◽  
High Quality ◽  
Potential Yield ◽  
High Yielding Varieties ◽  
High Yields ◽  
The Impact ◽  
Growing Population

Abstract Food security is a major concern in developing countries. Growing population, human consumption and the reduction of available land and other productive units are putting pressure on current agriculture and natural resources to meet the growing demand for food. Therefore, in order to meet the food requirements of the growing population, high yielding varieties are cultivated which require high units of fertilizers and pesticides to meet the potential yield. Scientists, organizations and policy makers emphasize high yields and high quality agricultural products on a sustainable basis, and high quality food could be produced through organic farming without affecting the environment; however, due to lack of data, no definite conclusions can be reached in many parts of the world. The aim of this review is to bridge this gap by presenting a systematic review of organic farming literature for sustainable agriculture. The authors used the systematic literature review to collect publications on organic farming from 2007 to 2020..The review provides insight into the essential dimensions of organic farming, the impact of organic farming on soil quality and crop yield

scholarly journals 1054 GETTING GENETICALLY ENGINEERED PRODUCTS FROM LABORATORY TO MARKETPLACE

HortScience ◽  
1994 ◽  
Vol 29 (5) ◽  
pp. 579e-579
Author(s):  
Kanti M. Rawal ◽  
Keith Redenbaugh
Keyword(s):  
Human Resources ◽  
Seed Production ◽  
Vertical Integration ◽  
Commercial Production ◽  
Genetically Engineered ◽  
Human Consumption ◽  
Advisory Opinion ◽  
Significant Delay ◽  
High Quality ◽  
Consumer Marketing

Polygalacturonase (PG) is the principal enzyme responsible for the softening of tomato during ripening. Transformation of tomatoes with antisense PG (asPG) results in significant delay in softening so that fruits with color and flavor can be harvested and shipped from the fields to distant markets. Safety evaluations of the genetically engineered tomato varieties were conducted from two perspectives: a) agricultural, and b) human food. Data were submitted to the appropriate agencies to obtain approvals for commercial production and to seek advisory opinion for the safety of food for human consumption. Calgene Fresh Inc. was created to develop human resources, physical facilities and logistic capabilities for year round supply of high quality branded produce. Vertical integration from seed production to direct consumer marketing is necessary to optimize the business endeavor.

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