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Industrial extraction equipment unlocks the valuable compounds hidden away in natural materials. Automated extraction equipment is applied in the pharmaceutical and cosmetic industries to extract active compounds from medicinal plants or herbs. For example, extracting cannabinoids from cannabis plants. But the process is also fundamental to the food industry, recovering various components like aromas, oleoresins, and proteins.  Considerations for selecting suitable extraction technology include the type of plant material to be processed, the extract's heat sensitivity, and the production volume.

Extraction

Harvesting tomato seeds is the best way to preserve a good performing tomato plant. Starting with good tomatoes, you can extract them using tomato seed equipment that separates the juice, pulp, and seeds. Then, dry the seeds before storing them in a location away from direct sunlight.

Tomato seeds

The supply of high quality seeds is essential as it significantly contributes to the success of every crop. Due to the numerous health benefits of tomatoes, peppers, cucumbers, etc., the demand for high-quality seeds has increased worldwide. However, the seed quality is greatly affected by the seed extraction method, and there are very few machines that can extract the seeds without damaging the seed quality.


<h2>Damage-free extraction of seeds</h2>
The EMM-1100 by Seed Processing Holland can extract seeds from vegetable fruit crops, such as sweet pepper, eggplants, cucumber, melon, tomato, and from hard skin fruit crops, such as small pumpkins and squash, without damaging the extracted seeds.

The fruits are first put into the hopper, and then into a crushing mechanism, where they’re crushed into smaller chunks with rotating pins. The upper pins are designed to be sharper, so hard-skinned fruits can be crushed easily without damaging the seeds.

Boasting an innovative beater design that separates larger fruit parts from the juice and seeds, integrated nozzles that enable operators to flush the machine out during the extraction process, high-quality materials, and individual speed adjustment of the lower and upper beaters, the EMM-1100 minimizes residual formation and ensures that the seeds are not damaged. Lastly, it makes three separations - seeds, juices, and fruit parts - which can be collected separately.

Seed extraction machine

When extracting seeds from fruit or vegetable crops, it is best to consider a flexible design of the crushing mechanism suitable for both soft-skinned and hard-skinned crops. However, the flexibility of the crushing system should not affect the extraction process by risking damage to the seeds.


<h2>Extracting seeds in batch from multiple varieties of fruit or vegetable crops</h2>
The EPM-1000 Semi-automatic Extraction Machine from Seed Processing Holland is a seed extraction unit that can extract a small amount of seeds from multiple varieties of fruit or vegetable crops. The unit can remove seeds from tomato, sweet pepper, cucumber, eggplants, and hard-skinned crops like squash.

The system has a hopper to load the crops and a crushing mechanism that doses and crushes the crops using rotating pins. The mechanism has four shafts with pins that rotate at a constant speed. Two upper shafts have pins with sharp ends that can crush hard-skinned crops like squash, while the two lower shafts with pins have round ends for crushing the remaining crop pieces.

The system comes with an aluminum container with a perforated bottom to collect the remaining fruit or vegetable pieces and seeds while draining the juice. The unit also comes with wheels to easily move it around the working area.

Semi-automatic extraction machine

Although it's the safest method, extracting tomato seeds manually can be time-consuming and labor-intensive. Plus, labor costs are very high and finding staff is becoming increasingly difficult. However, when deciding to automate the extraction, breeding stations fear losing precision, damaging seeds, and cleanliness, which are three key aspects of the process. It is therefore important to choose a machine that will treat your seeds gently.

<h2>Separating seeds from tomato pulp and juice without damaging the seeds</h2>
The EMM-1201 Tomato Seed Extraction Machine from Seed Processing Holland is a seed extraction unit, specifically for tomatoes. This compact unit can extract seeds from small tomato lots of around 10 to 100 tomatoes. The machine separates the tomatoes into three products (seed, pulp, and juice) in a single process. The crushing mechanism is easily accessible through removable covers for quick inspection and maintenance. The system features a built-in water nozzle system for rinsing the mechanism during and after extraction to remove residues. The processed seeds are clean and require less cleaning after extraction as most of the gelatinous material covering the seeds is partially rubbed away.

Tomato seed extraction machine

It’s essential to disinfect seeds to eliminate bacterial infections and to protect them from these infections in storage or during early growth. Along with crop protection, proper seed disinfection can also lead to increased germination rates and root development. If the seed is under-treated or over-treated, it can cause bacterial infections and negatively affect seed health. That’s why it’s important to use a machine that properly disinfects seeds.


<h2>Eliminate bacterial infections with the seed disinfection unit</h2>
Innovatively designed by Seed Processing Holland, this seed disinfection unit can be used to treat seeds in several liquid solutions to prevent bacterial infections and seed-borne diseases. Since it’s mostly constructed with synthetic materials, it’s resistant against a lot of chemicals and won’t be permanently damaged when in contact with chemicals.

The unit boasts two compartments, and each compartment features a separate cover to prevent the splashing of fluids. Each cover can also be connected to a separate air exhaust system to ensure that gases are properly ventilated. Lastly, both covers are designed with a safety switch to prevent operation if the cover of the compartment is not properly closed.

Seed disinfection machine

When drying extracted, disinfected, or primed seeds, the process can be very long, as they have high water content. Using a centrifuge that first removes the excess moisture from the surface of the seeds can reduce the drying time by hours.


<h2>Semi-automated spin-dryer for removing excess water from seeds</h2>
The Seed centrifuge small DRP-4000 from Seed Processing Holland is a centrifugal spin dryer. This equipment works on the centrifugal principle and removes the excess moisture around the seed surface. The time of centrifuging is adjustable from several seconds to minutes. A spray nozzle is mounted in the lid for rinsing during centrifuging and is activated by means of a ball valve. The valve from the machine must be connected to a water source. When centrifuging, the released water is drained through the rear of the machine. The DRP-4000 is used for centrifuging bare seeds or seeds in closed mesh bags and it is suitable for small and medium-sized manufacturers.

Seed Centrifuge Small

It’s essential to dry moist seeds before you process and store them. Seeds with too high or too low moisture content are more likely to get damaged during processing, resulting in reduced viability and the formation of mold. However, seeds can also be damaged by over-drying or drying too quickly. To ensure the perfect seed moisture content, it’s important to use a dryer that allows you to control the air volume, relative humidity, and air temperature.


<h2>Increase the viability and vigor of seeds</h2>
Manufactured by Seed Processing Holland, the conditioned seed dryer dries commercial seed lots in a controlled and structured way to meet the highest quality standards. It’s ideal for drying a wide variety of seeds, including primed seeds, film-coated seeds, disinfected seeds, seed pellets, and extracted seeds, such as pepper, cucumber, tomato, and melon.

The unit is designed with a technical room that houses all the process equipment, and an insulated drying room. The drying room features two insulated windows in the door and two lighting fixtures to give operators a clear view of the entire process. It’s also fitted with energy-efficient circulation ventilators, creating a powerful internal airflow that releases moisture from the seeds.

Moreover, the dryer uses the condensation principle, whereas the heat pump evaporates moisture from the seeds with the energy that is released from the drying process. This makes the entire process incredibly cost- and energy-efficient.

Lastly, the unit has a capacity of 10 kg to 150 kg of seeds, depending on the crop type and moisture content, and a maximum capacity of 1 million pellets, depending on adhesives, humidity percentage, and pellet variety.

Conditioned seed drying machine

Breeding stations work daily to improve seed sow ability; but if seeds are not cleaned properly, it can affect this capacity. When polishing is not enough because there are hard-to-clean impurities such as shell debris, a seed brushing machine is used. For breeding stations, which work on small batches of seeds, a small-scale system is needed to make easy and flexible adjustments in brushing different types of seeds.


<h2>Brushing and threshing at variable speeds for small scale applications</h2>
The CPM-4010 Laboratory Seed Brushing Machine from Seed Processing Holland is a seed brushing system that can polish or thresh (for capsule fruits) seeds in small batches. The system is especially suitable for breeding stations. The mantles containing the seeds or capsules are placed around the horizontal axis with the brushes. The two brushes have adjustable brushing speeds between 180 to 600 revolutions per minute to obtain a lighter or heavier polishing effect. A container underneath the mantle collects seeds or waste material depending on the perforation size. A transparent Plexiglas cover is included to prevent the seeds from jumping out during the removal of the mantle.

If you need a brushing, cleaning and grading machine to de-beard your carrots or tomato seeds then this is the right piece of laboratory equipment for you. Furthermore, it can also polish quinoa among other functions. It has the ability to take care of small volumes as well as large volumes depending on the amount of grain you have.

Laboratory Seed Brushing Machine

One way to improve crop and vegetable seed germination performance can be found in the first step of the fine cleaning process. Polishing seeds removes dust and dirt particles that may form layers that cover the seeds, limiting their germination. Aside from improving germination, polishing improves visual appearance, enhances purity, and provides a high yield.


<h2>Polishing seeds for improved germination performance</h2>
The CPM-4210 Seed Polishing Machine from Seed Processing Holland is a batch, semi-automated system that can polish vegetable and crop seeds in bags due to the rotating motion of the drum. The system is enclosed in a steel casing with an access door. The door has an inspection cover for viewing the work progress and a LED light mounted at the top part to have a clear view of the drum. The system has a control panel with push buttons for a start/stop operation, lamp, and timer functions.

With this piece of equipment, heavy or large specks of dust are collected in a mobile dust collecting container under the drum. The lighter ones are extracted through a dust extraction point (Ø 150 mm) on top of the machine and by a dust extraction point (Ø 100 mm) which is mounted on the door. Depending on the capacity, the average batch processing time takes 30 -90 minutes.

Crop and Vegetable Seeds Polisher

Cleaning of seeds is a vital step when getting the most of your crop. For this you need a specialised machine. Sorting through seeds of different weights and quality slows down the breeding process. The correct separation of material is particularly critical for seed foundation stations; a mismatch in densities of fractions could compromise the profile and value of the end product. The degree of accuracy in the separation stage impacts the entire seed processing line.

<h2>Improve the clean quality of your seeds with precision lot separation</h2>
The CAM-4220 Laboratory Seed Air Separator distributes seeds by weight and size. Engineered by Seed Processing Holland, the technology uses air ventilation to classify heavy "good" seeds, lighter seeds, and empty seeds and collect each in a separate container.

The system caters to a range of products, from fine seeds such as celery and spinach to large seeds including squash and corn. The CAM-4220 is suitable for vegetable, field crops, and hemp seeds and various other grains. Pre-cleaned seed lots enter a vibrating trough that doubles as a dosing unit and are transferred to the separating cassette. The air in the ventilation chamber lifts the seeds through the anti-static Plexiglas containers according to their body weight, separating them in the process.

This grain cleaning machine uses special anti-static technology to ensure that the seeds and grain do not get stuck in/on the equipment itself. If you are looking for the most accurate seed grain cleaning machine then this is definitely the right piece of equipment for you.

Air Seed Cleaning Machine

Seeds coming from the same plant might have different sizes and shapes. The germination percentage of small seeds is lower than large(r) seeds. Larger seeds often have a higher germination speed than small seeds. For this reason, seeds have to be sorted according to their diameter before processing. For this, a seed sizing machine is needed

<h2>Accurately classifying seeds by diameter using an unbalanced calibration machine</h2>
The CCM-4900 Seed Calibration Machine sorts fine seeds according to their diameter size. The technology is designed by Seed Processing Holland and reaches a size accuracy degree of up to &lt; 3%, making it especially suited for breeding and seed foundation stations. The system separates all kinds of seeds uniformly into anti-static bins and calibrated seeds are separated into four fractions: three lower sizes and one upper size. This machine is slightly different to a gravity separator because it focuses on size/shape instead of weight.

The screen boat of the CCM-4900 holds two screens using a pneumatic clamping system with screen, while its unbalanced motors ensure silent operation throughout. The adjustable vibration function can operate at different time intervals. Meanwhile, integrated dampers prevent the transmission of vibrations to the frame. It is recommended to utilise this piece of equipment on a smooth and flat surface to further reduce any vibrations. Having said that, the dampeners do a great job at absorbing unwanted loud noises.

If you're running a processing plant and looking to maximise the output of any crop you might be growing then this will most help you achieve that. Furthermore, that applies to all crops that are grown from seeds including various types of vegetables, crops and hemp.

If you're growing crops in rows, then using the CCM-4900 will drastically improve the sorting process and allow you to use only the best seeds to ensure a successful harvest.

Machine For Sizing Seeds

Seed priming is a controlled hydration technique in which seeds are soaked in water or low osmotic potential solution to a point where germination related metabolic activities begin in the seeds but radical emergence does not occur. It is essential that all seeds come into good contact with the liquid in the priming tubes. It is also important that the temperature of the liquid can be set and controlled. In some cases, lighting is also applied to the priming tubes.


<h2>Achieve a more uniform and faster germination</h2>
The seed osmotic priming unit by Seed Processing Holland is used to enhance seeds in an osmotic-altered solution. Primed seeds usually germinate more quickly than untreated ones, resulting in higher quality crops.

The unit’s six priming tubes are designed with two-hand grips, making it easier for operators to remove them. A compressed air control valve is attached beneath each priming tube, which can be used to control the air quantity in each priming tube.

Furthermore, a heating and cooling system can be mounted above each tube, enabling users to heat or cool the solution. Also lighting can be added as an option by each priming tube. Although the priming unit boasts a fixed set up, it can be attached with wheels to make it more mobile.

Moreover, the priming tubes are clear, so you can see the treatment process. Lastly each tube boasts a maximum capacity of eight litres.

Seed priming equipment

Seed germination performance relies on factors such as seed type, cleanliness level, and in particular temperature. Having the right temperature promotes seed germination. Testing the seeds’ germination performance using one specific temperature at a time would take many trials and is a time-consuming task without the proper equipment. With a system that can test each type of seed in different temperature conditions simultaneously, you can save time finding the right germination temperature.

<h2>Testing germination performance in different temperatures simultaneously</h2>
The QGM-4300 Seed Thermogradient Table from Seed Processing Holland is a seed germination system that can apply different temperatures for each type of seed simultaneously. It is used in determining the optimum germination temperature and germination speed of seeds and seed pellets.

The system is suitable for research and development purposes where different types of seeds are tested to determine germination percentage and speed of the first 50 percent of seeds. It is also used to determine the optimum dormancy-restoring treatment temperature, and to determine germination percentage and speed after a deterioration test.

The temperature is measured by temperature sensors that are positioned in a way that you can see the germination percentage. A digital display at the front of the table is provided for the temperature reading. The cooling and heating system can set temperatures between 5 degrees Celsius to 40 degrees Celsius in a room with an average ambient temperature of 20 degrees Celsius.

Thermogradient table for seed tests

Seed Processing Holland offers threshing, extraction, drying, priming, germination, cleaning, pelleting, film coating, weighing and packing machines for all types of flower seeds, vegetable seeds and field crop seeds.

<em>Not all treasures are silver and gold</em>... in the seed world, some are red too! Tomato seeds are one of the most valuable and expensive seeds out there. Just think that with only one seed, you can get from 20 up to even 90 tomatoes. In fact, the price varies from 10 cents to 1 euro per seed, if it is a special variety. Not surprisingly, then, breeding stations have some qualms about switching from manual extraction - which is considered the safest - to automatic extraction, as there may be a risk of damaging some of these precious seeds.


<h2>Switching from manual to automatic extraction, what can go wrong?</h2>
The tomato is cut in half in the manual process, and the seeds are gently extracted using a spoon. In an extraction machine, the beaters cut the tomato and remove the <a href="https://making.com/products/fruit-pulp" target="_blank" rel="noopener">pulp from the fruit</a> to extract the seeds. To do that, the beaters are usually sharp as knives and rotate at high speed to break the tomato into small pieces. Like a double-edged sword, the beaters will cut the tomato faster but at the same time could damage the seeds inside, which are very delicate.

Another important factor to consider is cross-contamination. To create a new hybrid, breeding stations work with hundreds of samples coming from different tomato varieties every day. Therefore, each lot needs to be processed separately. If the extraction machine is not cleaned well, some seeds may be left behind, increasing the risk of mixing two different lots.
<h2>To go faster you must slow down</h2>
Seed Processing Holland has designed a <a href="https://making.com/equipment/semi-automatic-tomato-seed-extraction-machine">machine to extract tomato seeds</a> that helps breeding, production and manufacturing stations extract small lots of tomato seeds (± 10 – 100 tomatoes) avoiding any seed damage. “<em>The tomato fruit is crushed by means of rotating beaters that are blunt and treat the seeds with the care they need. Then, the 5 mm screen separates the pulp from the seeds and the 1 mm screen collects the seeds as the juice passes through.</em>” explains Willem van Dok, owner of SPH.

The crushing speed can be slowed down according to the tomato you are processing (cherry tomatoes, vine tomatoes). The machine has a built-in water nozzle system that works during and after the extraction process, minimizing residue formation (gel membrane around the seeds). “<em>It’s also easy to access for thorough inspection</em>” Willem continues. To make sure there’s no <a href="https://making.com/tomato-seeds">tomato seed</a> left behind, you can open the machine for cleaning to ensure contamination is reduced to 0%. Get in touch if you are interested to learn more.

https://www.youtube.com/watch?v=5ba6Op8sbA0

Extraction of tomato seeds – take care of your red gold

Food

Our food chain starts in the soil, growing crops and livestock. But between the fields and the stores, there is a line of industrial food processing equipment. Processes may be as minimalistic as cleaning fruit and as complex as homogenizing milk alternatives made from pressed legumes. In each case, processing technology is an important link in the food production chain.

Whether for personal consumption or agricultural purposes, you process seeds to make them clean and maximize yield. Seed processing equipment includes the steps of polishing, threshing, separation, sorting, and drying. Some cases require additional processes. For example, the extraction of the seed from fruits or vegetables. Or, pressing the seed to extract oil.

Seeds

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