major operations that are invo lved in the extraction of castor. oil by the old traditional method namely, collection of see d. pods, shelling of the pods/winnowing, boiling the seeds to. reduce ...

The effect of microwave pretreatment and moisture levels of Camelina sativa seeds on the quality of extracted oil by cold press was investigated. The seed moistures were adjusted to 2.5%, 5.0%, 7. ...

Determination of holocellulose. A solution of 80 ml acetic acid and 1 g of sodium chloride were put into 2.5 g of extractive free sample (after extracting the sample) in a water bath hourly for ...

The yield of the essential oil obtained after pretreatment with PPP was 4.70%. ... This research shows that the extraction of Myristica fragrans seed kernel essential oil can be improved using PPP ...

This study investigates the application of green technologies (microwave and ultrasound pretreatment) in the extraction of Moringa oleifera Lam. seed oil and its effects on oil expression, oil quality, and bioactive component. Moringa seeds were pretreated with microwave (90 W, 60 s) or ultrasound (50 W, 1 h) before mechanical expression.

Enzymatic pretreatment of seeds is a novel approach that enhances the health benefits of the extracted oil. The study investigated the influence of the enzymatic pretreatment of seeds on the quality of oil …

The effect of seeds pretreatment on the oil antioxidant. properties is summarised in Table 4. McDowell et al. (2017) studied the impact of rapeseeds. microwave and established that the oil DPPH ...

1. Introduction. The production of oil from oilseeds is a key element of worldwide competitiveness. Seed oils can be used for different purposes: for human consumption as food (Akpan, 2012), for cooking (Mounts, Warner, List, Neff, & Wilson, 1994), as a source of bioactive compounds and/or nutraceuticals (e.g. vitamins, …

Enzymatic pretreatment is a well-known technique in the vegetable oil industry to degrade the structural polysaccharides of the cell wall of oily seeds [134,135]. It constitutes a favourable cell disintegration method due to its specificity and mild operating temperature, as well as its low time and energy requirements.

Although the influence of seed pretreatment on the oil recovery efficiency of mechanical pressing has been studied, comparative studies on seed pretreatment techniques' potential to improve the quality of cold-pressed oil are limited. In this regard, the current study aimed to investigate the effect of blanching and microwave heating ...

Camelina seeds are typically processed through several steps like cleaning, pretreatment, pressing and/or solvent extraction, and degumming, which are the same as for canola seeds (Miller et al., 2012, Przybylski et al., 2005).A possible route of camelina seed processing to oil and meal is shown in Fig. 1.Care throughout the entire process of …

The effect of microwave pretreatment and moisture levels of Camelina sativa seeds on the quality of extracted oil by cold press was investigated. The seed moistures were adjusted to 2.5%, 5.0%, 7.5%, and 10.0% and pretreated with microwaves for 0, 1, 2, and 3 min. Microwave pretreatment (3 min) of the seeds with 2.5% moisture increased the oil …

Biodiesel process involves different steps: the oil seed/fruit pretreatment, oil extraction, and transesterification for biodiesel production itself (Fig. 4). First, seeds are stored under certain conditions to avoid some problems such as mold formation and lipolytic enzyme activation .

XLZG Oil Seeds Plate Dryer for soybeans, corn, rapeseed, cottonseed, sunflower seed drying treatment. The materials are appropriate water for storage or materials to meet the process requirements. Its characteristics compared with other drying machines, with a compact, high efficiency, uniform drying, yield, low energy consumption, material not ...

Oil Seeds Pretreatment & Press Project Details: The technology and equipment of Oil Seeds Pretreatment & Press Project developed by are suitable for many kinds of oil seeds. Considering the characteristics of oil seed and customs' requirement, we can provide the special design to adjust oilseed to the best state, which is convenient to …

The main function of the sunflower seed pretreatment process is to improve the sunflower oil quality as much as possible, and helps to get most oil from the sunflower seeds. 1） Magnetic drum: The first step is to move the iron in the sunflower seed, because the iron will harmful to the following sunflower seed pretreatment & pressing machines.

Microwave energy is a superior alternative to several other thermal treatments. Extraction techniques are widely employed for the isolation of bioactive compounds and vegetable oils from oil seeds. Among the different and new available techniques, microwave pretreatment of seeds is a simple and desirable method for …

Camellia seed oil (CSO) is an edible oil originally obtained from the seed of camellia oleifera (Camellia oleifera Abel.), which is one of the four important woody oil crops in the world (Liang, Hao, Chen, Ye, & Ma, 2017). ... In our previous study, it was found that the pretreatment of the raw seeds had a great effect on the flavor of camellia ...

Abstract. Pretreatment of oilseeds is an important unit operation with many benefits, such as increased oil yield and quality. Conventional methods of oil extraction …

We studied the effect of seed conditioning via a rapid preheating technique to destroy the activity of oil-degrading enzymes. Rape and sunflower seeds were heated via steaming, oven cooking, infrared, and microwave. After the pretreatment the oil was expelled from the seeds by a screw press and its quality was determined via the analysis of oxidative …

Under the optimal conditions of enzymatic pretreatment, the oil recovery is close to 75%. Moreover, residual oil recovery from camellia seeds subjected to 1398 …

available methods, microwave pretreatment of seeds is a. simple and desirable technique for production of high quality. vegetable oil with coupled high nutritional aspects. The new. pretreatment ...

Application of novel seeds pretreatments techniques such as microwaving, enzymatic digestion, pulsed electric field and ultrasonication do not only improve the oil yield and quality attributes, but also reduces seed oil extraction time, solvent and energy …

Microwave (MW) pre-treatment of canola seeds or flaked seeds was found to be a superior alternative to the conventional thermal pre-treatment (steam). Flaked seeds were "cooked" (heat-treated) with …

2.3. Yields of hemp seed oil. Non-microwave-treated or microwave-treated hemp seeds were placed in a low-temperature oil-press machine (the oil-extraction temperature was less than 60 °C) to obtain a crude-oil sample (Uquiche et al., 2008).Subsequently, the crude oil was centrifuged (H1850, Hunan Xiangyi Laboratory Instrument, China) at 8000 rpm to …

In this study, ultrasonic-ethanol pretreatment combined with AEE was developed for oil extraction from hemp seeds. The oil yield reached a maximum of 23.32 % at 200 W ultrasonic power and 30 min ultrasonic time, at this point, the degradation rate of Δ 9-THC was 83.11 %.By determining the composition of hemp seed before and after …

In this study, optimization of the extraction of canola seeds oil was investigated using microwave-pulsed electric field seeds pretreatment (MW-PEF) with different MW times (0 to 200 s) and PEF intensities (0 to 5 kV/cm). The seeds oil was then extracted using screw press with different speeds (11 to 57 rpm). Oil extraction efficiency, refractive index, …

In this study, optimization of the extraction of canola seeds oil was investigated using microwave-pulsed electric field seeds pretreatment (MW-PEF) with different MW times (0 to 200 s) and PEF ...

In parallel, enzyme assisted technologies were used for oil seeds pretreatment before their processing. The cellulase, hemicellulase, pectinase and proteases are usually used for this purpose. It was shown that press oil yield had increased from 72 to 90-93%. after pretreatment of rape seeds by carbohydrases and proteases [13-16].

Oilseed Enzymatic Pretreatment for Efficient Oil Recovery in Biodiesel Production Industry: a Review. Published: 07 May 2020. Volume 13, pages 1016–1030, ( …