Groundnut, or peanut, is commonly called the poor mans nut. Having high smoking point, the provided oil is commonly used for frying various food items and snacks. Groundnut oil is made by pressing harvested groundnuts, which are rich in fat containing 40 to 50 percent fat. Unlike the african bambara groundnut, it is not an indigenous species, but was brought by portuguese traders from the americas in the 16th century. This project focus on the processing of groundnut into oil and cake. About 83% of these are oil pressers, 1% are multifunction packaging machines, and 1% are filling machines. Pdf the intake of adulterated and unhealthy oils and transfats in the.
It is important to ensure that a sufficient supply of raw materials is available for the planned level of. Edible vegetable oil is oil produced from any of the edible oil bearing seeds that exist in nature. Comparative evaluation of the kneading process using same quantity of groundnut i. Shiva murthyl verses state of andhra pradesh 1986 btt and others below the minimum requireme nt 3 ground nut oil sajjan singh jain and others verses state of rajasthan 2000 btt and others below the minimum. Introduction groundnut, or peanut, is commonly called the poor mans nut. The international olive council ioc is an intergovernmental organization based in madrid, spain.
Just by looking at the picture, can you tell which sample is pure and which one is adulterated. Rapid detection of peanut oil adulteration using lowfield. Advised methods are especially meant for the smallholder farmers and the most diversified uses of groundnut in confectionery items. Effects of processing factors on oil yield tables 1 and 2 show oil yield from coarsely and finely ground samples, respectively, at. Oil is extracted from several seeds, nuts and fruits table 1 provides some common examples for use in cooking and soapmaking. How to start groundnut oil production in nigeria wealth. Pdf edible oils are used as cooking or frying medium, salad oil or in food products formulation. Fresh palm olein, recycled cooking oil, adulteration, fatty acid.
Quick test for some adulterants in food 3tinstruction manual part ii methods for detection of adulterants 3tfood is essential for nourishment and sustenance of life. Groundnut oil production how to start business plan guide. Ground nut oil press machine ensures high quality oil processing from ground nut. It has better results to press olive, soybean and cotton seeds. To detect edible oils and fats adulteration, it is possible to use both major and minor components. The oilseed requires undergoing a thorough cleaning process to remove sand, stalk, plant debris and any other foreign matters by rotary or table sieve. The offered groundnut oil is derived from the best quality groundnuts. Groundnut oil manufacturing process is a complicated oil processing process which needs lots of manufacturing equipments and processing stages.
How to start a small scale groundnut processing industry. This write up will focus on the processing of groundnut into oil and cake. Groundnut oil is widely used in cooking, including frying, basting, and the manufacture of margarines and shortenings. With the inculcation of advanced methods of processing, our highly skilled professionals extract and process this oil in the most suitable and hygienic conditions. Annual production and consumption of oils and fats is about 119 million. Pharmacopeial convention usp, an independent scientific nonprofit organization, vegetable oilsespecially olive oilhave a high vulnerability to adulteration and represent the most documented cases of food fraud, with dilution being the most common cause of problems. Like other plantbased oils, groundnut oil contains no cholesterol. The olive oil represents around of 4% of the edible oil at international level. The meal is an important component of feeds for poultry and cattle. A study from india published in 2006 in the yale journal of biology and medicine did show that feeding diabetic rats groundnut oil lowered the animals total cholesterol, ldl, triglycerides and also raised hdl good cholesterol, but thats the only study ive found. Pdf detection of groundnut oil and goat body fat adulteration in.
Pdf an overview of groundnut oil extraction technologies. Pdf the fatty acid composition of fats and oils is unique to the specific fat and oil. Groundnut oil production process, based on mechanical pressing technology, can be divided into three steps. A wide variety of price groundnut oil machine options are available to you. There are other oils which make good substitutes for groundnut oil as they are both flavourless and have high smoke points. Weight of oil g oil in ground sample % x 100 weight of sample g % oil in ground sample oil to dry weight basis 100% moisture in whole seed 5. Groundnut processing introduction groundnuts are a high value crop that can be marketed with little processing but are extremely versatile and can be used in a wide range of products. Significant differences in the lfnmr parameters, single component relaxation time t 2w, and peak area proportion s 21 and s 22, were detected between. Food fraud and economically motivated adulteration of food and food ingredients congressional research service 1 background food fraud, or the act of defrauding buyers of food and food ingredients for economic gain whether they be consumers or food manufacturers, retailers, and importershas vexed the food industry throughout history. Adulteration of food cheats the consumer and can pose serious risk to health in some cases. How to start your own groundnut,peanut oil production. Olive oil adulteration with hazelnut oil and analytical. Groundnut oil, also known as peanut oil, is a mild tasting vegetable oil expressed from groundnut kernels.
The high quality of oil extract from this machine,with out moisture. The introduction of the groundnut to the gambia in the western sudan, the groundnut is one of the most important cash crops and food staple nowadays. Adulterations in some edible oils and fats and their. The purpose of this manual is to give the consumer an. Obviously you need to avoid it if cooking for people with nut allergies. Adulteration of olive olea europaea oil with vegetable, seed, or nut oils has become a serious problem for regulatory agencies, consumers, oil producers, and oil importers. Principles of oil extraction oil is extracted from a number of fruits, nuts and seeds table 1 for use in cooking and soapmaking1 or as an ingredient in other foods such as baked or fried goods. There has been a downward trend in total groundnut oil imports to europe in the past 5 years. It is an annual crop principally for its edible oil and protein rich kernel seeds, borne in pods which develop and mature.
An introductory practical physics manual for universities. Although the production process is similar for almost all the seeds with just slight differences in the production line. The presence of palm kernel olein as adulterant in virgin coconut oil can be. Avocado oils is higher, at 520 f, as is rice bran oils, at 490 f. In this study, fatty acid profiles of five edible oils were established by gas chromatography coupled with mass spectrometry gcms in selected ion monitoring mode. Pdf detection, purity analysis, and quality assurance of. Detection of groundnut oil and goat body fat adulteration in ghee using principal component analysis on fatty acid profile. The oil can be used for cooking, they can be used as a shortening or as a base for confectioneries and they can be used to make peanut butter. This decline is mainly due to growing substitution of groundnut oil by other oils in europe. The botanical name for groundnut, arachis hypogaea linn. Groundnut oil is one of the healthiest cooking oils popular in western india. Ground nut has high oil content of 40% to 50%, which is suitable to adopt direct oil press machine to get crude ground nut oil efficiently.
Adulterations in some edible oils and fats and their detection. Oil expeller capacity ranging from 1 tonne 140 tonnes seed crushing in 24 hours. In addition, you can initiate the groundnut oil processing operation as small and medium scale basis according to the desired output and project cost. Estimation of genuinity of different brands of groundnut. This kind of groundnut oil making machine utilizes the screw shaft that is setup with different styles of screws and rotates when the groundnut oil. Olive varieties1 describing 9 cultivars grown across 23 countries, which ioc claims represent almost 85% of the total worlds acreage of olives. Groundnut oil production process oil refinery plant. Therefore, it is necessary to develop authenticity detection method for protecting the health of customers. Effect of heating temperature and heating time on oil yield from coarsely ground groundnuts expressed at 25mpa for lomin. Detection of fresh palm oil adulteration with recycled. Groundnuts, more commonly known as peanuts, are a legume that can be processed into an oil. During expression or solvent extraction, it contains pigments like carotenoid 57 lycopene xviiia. Olive oil is the oil fraction of the olive fruit, i. Food fraud and economically motivated adulteration of.
Groundnut definition of groundnut by merriamwebster. Improper disposal of this huge amount of oil causes water and land pollution. Groundnut definition is any of several plants having edible tuberous roots. Impact on consumers this is a case of intentional adulteration for economic gain as both adulterants, cottonseed oil and palmolein, are much cheaper half to twothirds the price respectively of groundnut. Registering is free, quick, and means you can join in the discussion, watch threads, get discounts, win prizes and lots more. Although hazelnut oil is not associated with some of the health. The aim of this paper is to study the influence of olive oil adulteration by substitution with other types of edible.
Cold pressed groundnut oil india we specialize in cold pressed peanut oil india, groundnut cold pressed oil. Palm oils smoke point is 446 f, hazelnut oils is 430 f and almond oil and cottonseed oils are 420 f. All polyunsaturated fats help lower total cholesterol and ldl bad cholesterol, but generally have no effect on hdl. The oil obtained from the kernel is yellow to greenish yellow in color. The small scale groundnut oil production unit needs fewer labor than the single oil machines, with our considerable design, it only needs 23 persons to running the whole line, the semi continuous also can avoid the unstable material feeding caused by manual.
Study conducted in northern nigeria revealed that 75% of the rural women engaged in groundnut oil extraction used the. The contamination or adulteration of groundnut and sunflower seed oils with. Impact on consumers this is a case of intentional adulteration for economic gain as both adulterants, cottonseed oil and palmolein, are much cheaper half to twothirds the price respectively of groundnut oil. Oils and fats 2015 3 manual for analysis of oils and fats oils and fats are important parts of human diet and more than 90 per cent of the world production from vegetable, animal and marine sources is used as food or.
Groundnut oil manufacturing process flowchart oil expeller. However, oil expeller is only a part of ground nut oil processing. Sunflower oil is an ideal substitute, as is rapeseed oil which is usually sold as vegetable oil in the uk and and canola oil in north america. Substitutes for groundnut oil in cooking our everyday life. Groundnut oil production is a financially profitable venture with huge export potential. Corn oil, safflower oil, soybean oil and sunflower oils smoke points are the same as peanut oils, at 450 f. The analysis was to detect the adulteration in edible oil products. The best available groundnuts should be used for oil production to increase yields and reduce the risk of disease. Sunflower, palmolein, soybean, groundnut and cottonseed. Groundnut oil definition of groundnut oil by the free.
Groundnut oil processing mainly includes three stages. Many of these seeds are produced in large quantities in nigeria. The agricultural products are classified into oilseeds cotton, castor, sunflower, etc, nuts coconut, groundnut, sheanut, etc and mesocarps or fruits oil palm. Agge department of mechanical engineering the federal university of technology, akure, nigeria corresponding author. Oil is a valuable product with universal demand, and the possible income from oil extraction is. The detection of adulteration of high priced oils is a particular concern in food quality and safety. Adulteration detection in some edible oil products in nigeria. Classification and adulteration detection of vegetable. This plant is native to south america and has never been found uncultivated. This requires testing for oil and moisture content. Agricultural practices have revolutionized vegetable oil production by increasing. Groundnut oil extraction involves removing oil content of the groundnut seed. The differences in the fatty acid composition coupled with the. Let me show you 2 examples of how red chilli powder and turmeric powder are adulterated.
Loose edible oil is purchased by economically weaker sections such as daily wagers. General process of groundnut oil production from harvested groundnuts to pure edible peanut oil, groundnut oil production is really a complex process. Then the prepared groundnuts are sent to oil milling plant to be extracted by oil press machines. The groundnuts are firstly prepared by being shelled and cleaned in certain seed cleaning equipments. Groundnut oil processing process, based on mechanical pressing technology, is generally grouped into three stages. Oil extraction is the process of recovering oil from oilbearing agricultural products through manual, mechanical, or chemical extraction.