Download Citation | Technology for aqueous extraction of camellia seed oil by salt effect | To improve the lower free oil yield triggered due to severe emulsification in aqueous extraction process ...
The feasibility and technical conditions of aqueous extraction process of camellia seed oil were investigated in order to provide a alternative method of camellia oil extraction. After the shell and coat was removed from camellia seeds, the obtained kernels were ground, and then distilled water was added to extract oil. After centrifugation, camellia oil was obtained.
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An aqueous enzymatic extraction method was developed to extract oil from camellia seed (Camellia oleifera Abel.).Individual enzymes and combinations of enzymes, pH, the ratio of material to water, reaction time and methods of demulsification were studied.
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In 2016, a study reported an oil recovery yield of up to 55% (dry weight of Camellia oleifera seed), which however did not introduce the total oil content of the Camellia oleifera seed (Zhang, 2016). Therefore, the advantage of the new aqueous procedure for efficiently extracting Camellia oleifera oil is obvious.
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To improve the lower free oil yield triggered due to severe emulsification in aqueous extraction process of oil, new technology of aqueous extraction of camellia seed oil by salt effect was explored. With sodium carbonate solution as the extractant, effects of liquid-solid ratio, extraction time, extraction temperature and agitation speed on free oil yield of camellia seed oil were ...
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This paper reports an efficient aqueous enzymatic extraction (AEE) method for Camellia oleifera seed oil with the aid of response surface analysis. A maximum oil recovery of ~93.5% was obtained when a 2‐step AEE process was performed using 0.80% cellulase (v/w) solution at pH 6.0 maintained at 50 °C for 1 h followed by a solution of 0.70% Alcalase® with pH 9.2 at 57 °C for 4.1 h.
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Keywords: Camellia seed oil (Camellia oleifera Abel.), aqueous enzymatic extraction, expeller pressing, organic solvent extraction, supercritical CO 2 extraction, physicochemical properties, lipid composition Introduction Camellia (Camellia oleifera Abel.) is a common oil-bearing woody plant in southern China, and camellia seed oil has been used
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The aqueous procedure of extracting Camellia oleifera oil has been highlighted because it is on friendly terms with environment or human health and has low operating cost. A new aqueous procedure employing 1.2 g water with the presence of 0.1 g sodium chloride and 0.008 g sodium hydrogen carbonate to treat 10 g Camellia oleifera kernel slurry was eventually established, which extracted 94.79% ...
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Oil bodies in the form of an adequately dispersed suspension were extracted from maize germ by applying aqueous extraction. The effect on the yield of oil body extraction of parameters, such as pH of aqueous medium, state of germ comminution, and number of successive extraction steps applied, was evaluated, indicating that an extraction yield as high as 95% could be reached when a finely ...
Get PriceAn aqueous enzymatic extraction method was developed to extract oil from camellia seed (Camellia oleifera Abel.).Individual enzymes and combinations of enzymes, pH, the ratio of material to water, reaction time and methods of demulsification were studied.
Get Price
2025-04-30· Tea saponin (TS), which is rich in Camellia seeds, is proved to be able to reduce the difficulty of aqueous extraction processing of Camellia seed oil. With the continuous accumulation of tea saponin by aqueous phase cyclic utilization, the interfacial tension between extracting agent and oil continuously decreases, which promotes the release
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Download Citation Technology for aqueous extraction of camellia seed oil The feasibility and technical conditions of aqueous extraction process of camellia seed oil were investigated in order
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When the Camellia seed kernel residue was further subjected to microwave puffing and aqueous enzymatic oil extraction, the yield was increased to 95%. Nevertheless, microwave treatment is an expensive process and its heating effects are undesirable for unsaturated oil preparations, while ultrasonic pretreatment for saponin removal before AEE was effective in decreasing the emulsification.
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The feasibility and technical conditions of aqueous extraction process of camellia seed oil were investigated in order to provide a alternative method of camellia oil extraction. After the shell and coat was removed from camellia seeds, the obtained kernels were ground, and then distilled water was added to extract oil. After centrifugation, camellia oil was obtained.
Get Price
To improve the lower free oil yield triggered due to severe emulsification in aqueous extraction process of oil, new technology of aqueous extraction of camellia seed oil by salt effect was explored. With sodium carbonate solution as the extractant, effects of liquid-solid ratio, extraction time, extraction temperature and agitation speed on free oil yield of camellia seed oil were
Get Price
Download Citation Technology for aqueous extraction of camellia seed oil by salt effect To improve the lower free oil yield triggered due to severe emulsification in aqueous extraction process
Get Price
This paper reports an efficient aqueous enzymatic extraction (AEE) method for Camellia oleifera seed oil with the aid of response surface analysis. A maximum oil recovery of ~93.5% was obtained when a 2‐step AEE process was performed using 0.80% cellulase (v/w) solution at pH 6.0 maintained at 50 °C for 1 h followed by a solution of 0.70% Alcalase® with pH 9.2 at 57 °C for 4.1 h.
Get Price2025-06-30· Tea saponin (TS), which is rich in Camellia seeds, is proved to be able to reduce the difficulty of aqueous extraction processing of Camellia seed oil. With the continuous accumulation of tea saponin by aqueous phase cyclic utilization, the interfacial tension between extracting agent and oil continuously decreases, which promotes the release of oil from raw materials and improves the
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The ethanol extraction method was utilized to extract the oil from camellia seed oil. Single-factor tests were applied to study the effects of ethanol concentration, material/solvent ratio and extraction temperature on the yield of camellia seed oil.
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To understand the influence of different extraction methods on properties of Camellia seed oil, the physicochemical properties, fatty acid composition, bioactive compounds content of camellia seed oil extracted by aqueous enzymatic extraction, expeller pressing, organic solvent extraction and supercritical CO 2 extraction were investigated. No significant differences were found among acid
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Optimization of aqueous enzymatic method for Camellia sinensis oil extraction and reuse of enzymes in the process. Peng L(1), Ye Q(1), Liu X(1), Liu S(1), Meng X(2). Author information: (1)Ocean College, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China.
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Subcritical solvent oil extraction technology can better protects the active ingredients of natural resources and extracts high grade plant oils, protein, pigments and more. It has been widely used in food processing industry.
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2006-01-17· The oil of tea seed (Camellia oleifera Abel.) is used extensively in China as cooking oil. The objectives of this study were to investigate the antioxidant activity of tea seed oil and its active compounds. Of the five solvent extracts, methanol extract of tea seed oil exhibited the highest yield and the strongest antioxidant activity as determined by DPPH scavenging activity and Trolox
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solvent extraction. Keywords: Camellia oleifera seed oil, aqueous extraction, enzyme, microwave puffing Introduction Camellia oleifera (Theaceae) is one of the widely cultivated and important oilseed crops in China. C. oleifera seed oil is the main cooking oil in China’s southern provinces, especially Hunan and Jiangxi.
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ELSEVIER Aqueous and enzymatic processes for edible oil extraction A. Rosenthal, D. L. Pyle, and K. Niranjan Department of Food Science and Technology, University of Reading, Whiteknights, Reading, United Kingdom Industrial processes for the extraction of edible oil from oilseeds generally involve a solvent extraction step which may or may not be preceded by pressing.
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The objective of this study was to extract the oil from Camellia oleifera seeds by aqueous enzymatic oil extraction (AEOE). A novel process for extraction of oil using industrial enzymes from microwave puffing-pretreated Camellia oleifera seed powder was described. The results indicated that the free oil extraction efficiency obtained with microwave-assisted extraction was very high, which the
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Camellia Seed Oil Extraction Machine / Tea Seed Oil Extraction. Description Our company designs the best program dedicated to extract tea seed cake according to the previous characteristics of tea seed cake, the operation of the equipment is stable and reliable, the steam separation machine is dedicated to the tea s
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In 2016, a study reported an oil recovery yield of up to 55% (dry weight of Camellia oleifera seed), which however did not introduce the total oil content of the Camellia oleifera seed (Zhang, 2016). Therefore, the advantage of the new aqueous procedure for efficiently extracting Camellia oleifera oil is obvious.
Get Price
A fast and effective determination method of different species of vegetable seeds oil is vital in the plant oil industry. The near-infrared reflectance spectroscopy (NIRS) method was developed in this study to analyze the oil and moisture contents of Camellia gauchowensis Chang and C. semiserrata Chi seeds kernels. Calibration and validation models were established using principal component
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To understand the influence of different extraction methods on properties of Camellia seed oil, the physicochemical properties, fatty acid composition, bioactive compounds content of camellia seed oil extracted by aqueous enzymatic extraction, expeller pressing, organic solvent extraction and supercritical CO 2 extraction were investigated. No significant differences were found among acid
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Camellia Seed Oil Extraction Machine / Tea Seed Oil Extraction. Description Our company designs the best program dedicated to extract tea seed cake according to the previous characteristics of tea seed cake, the operation of the equipment is stable and reliable, the steam separation machine is dedicated to the tea s
Get Price
An aqueous enzymatic extraction method was developed to extract oil from camellia seed (Camellia oleifera Abel.). Individual enzymes and combinations of enzymes, pH, the ratio of material to water, reaction time and methods of demulsification were studied. The effects of hexane and aqueous enzymatic extraction on the oil's physicochemical
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Aqueous extraction is a promising green alternative to hexane extraction. This study used a salt effect-aided aqueous extraction process (AEP-SE) for extracting Camellia oleifera seed oil (COSO) to improve oil extractability and avoid emulsification in the aqueous system. The highest oil extractability rate of 88.8% was obtained under 1.48 mol L –1 sodium carbonate, a solution-to-flour ratio
Get PriceAqueous extraction processing (AEP) is a promising green alternative to hexane extraction. A novel process for the aqueous extraction of oil from Camellia oleifera seeds and its antioxidant activity By X. Yu*, Q. Li, S. Du*, R. Zhang and C. Xu College of Food Science and Engineering, Northwest A&F University, 28 Xinong Road Yangling,
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A novel process for the aqueous extraction of oil from Camellia oleifera seed and its antioxidant activity. Grasas y Aceites 2013, 64 (4),407-414. DOI: 10.3989/gya.106412. Olga A. Karkani, Nikolaos Nenadis, Constantinos V. Nikiforidis, Vassilis Kiosseoglou.
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& Technology 4(2) ABSTRACT The ethanol extraction method was utilized to extract the oil from camellia seed oil. Single-factor tests were applied to study the effects of ethanol concentration, material/solvent ratio and extraction tem-perature on the yield of camellia seed oil. Then, response surface methodology (RSM) was conducted to ascertain the optimum condition for oil extraction, and
Get PriceComparison into quality of Camellia oil extracted by different methods: GE Hangli 1, PENG Li 1, MENG Xianghe 1, XIAO Chaogeng 1, 2, * 1. Ocean College, Zhejiang University of Technology, Hangzhou 310000, China; 2. Institute of Food Processing, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
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The invention relates to a method for extracting tea-seed oil by an aqueous enzymatic method, which comprises the following processing steps: 1, removing tea saponin in the tea-seed oil; 2, pretreating the residue of the tea-seed oil; 3, performing zymohydrolysis; and 4, recovering the tea-seed oil. The tea saponin is firstly removed from the tea-seed oil so as to be favorable for the
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The free oil yields of peanut, camellia seed, rapeseed, sunflower seed, corn germ, peony seed and flaxseed have totally reached over 92% at the laboratory scale. Among these, AEP of peanut oil and camellia seed oil have realized industrialization in China, gaining free oil more than 92% and 91% respectively. With the development of technology
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