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Bucher - Drying technology

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Food powder is the result of drying and pulverizing food. It has been around since the astronauts when out to space. Fruits have a short shelf life and are difficult to preserve due to their high water content.  Fruit powder processing allows you to keep the nutrients of the fruits for a longer time, even off-season.

Fruit powder

Elderberry falls squarely in the category of superfoods. Every part of the plant (flowers, berries, and bark) is loaded with vitamins, antioxidants, bioflavonoids, and other compounds. However, cyanide in the plant could be lethal if consumed raw, making elderberry extraction processing complex.

Elderberry extract

What’s the only living connection between our present world and the age of dinosaurs? The ginkgo biloba plant. Also known as the maidenhair tree, it is regarded as a living fossil and has been around for more than 200 million years. Ancient civilizations in China were already mastering ginkgo processing centuries ago and the tradition soon flourished around the world.

Ginkgo extract

Originally created to supply US soldiers with vitamin C in World War II, fruit concentrate has found many other uses. Whether you want to drink soda or eat gummy bears, you need fruit concentrate for the color and flavor. The fruit concentrate processing line involves fruit peelers, conveyor belts, filters, and evaporators that help producers make fruit concentrate with all of the fruit’s original aroma.

Fruit concentrate

Instant soup is quite popular due to its ease of use and quick preparation. Products like cup noodles and vegetable soup mixes are some of the examples commonly used by consumers. The instant soup processing equipment is used to dehydrate or dry components of the soup mixture to prolong shelf life and preserve the taste of the vegetables and other components.

Instant soup

Everything tastes like porridge, the saying goes. That may be an exaggeration, but in theory, reaction flavors could make everything taste the same. Thankfully, flavorists and chemists in the flavor industry are more inventive than that, and colorful process flavors treat our taste buds to a broad palette of sensations, flavors and aromas.

Reaction flavors

This powdery food made of dehydrated and ground vegetables is a great way to preserve flavor and nutrition for a long time while still having the benefits of eating fresh vegetables. It is beneficial to turn seasonal vegetables into powders for all-year-round use. Certain vegetable powders, known as green powders, are especially popular as dietary supplements and are used in smoothies for racing a recommended daily intake of vitamins and minerals. Furthermore, vegetable powders can be added to foods as coloring, for instance, in baked goods or to pasta sauces and omelets.

Vegetable powder

Although popularized recently by NASA this superfood powder made of algae is not a recent discovery. The Aztecs in Mexico and communities around Lake Chad in Africa are known to have harvested and eaten spirulina as a traditional food source. It contains an impressive array of essential nutrients, including complete proteins, vitamins, minerals, such as iron and magnesium, and antioxidants.

Spirulina powder

The essence of the oceans plays a role in sustainable food production and is an often overlooked superfood. Compared to traditional crops, algae requires minimal land and resources. Processed into food powders like spirulina or chlorella or into seaweed snacks, algae is considered to be one of the foods of the future. It provides you with vitamins, minerals, and proteins and assists the world in food security concerns. It is a popular ingredient in the supplement and cosmetics industry too.

Algae

Freeze dried berries

A juicy piece of fruit evokes images of sunlight and warmth. But manufacturers take the reverse route and freeze the harvested products to keep their nutritious mix of minerals, fibers, and vitamins intact. Frozen fruit processing equipment takes temperatures down to around -18 °C, giving the foods an extended lease of life. Many smoothies, jams, and purees we consume are the fruit of frozen labor.

Frozen fruit

Made from bananas, apples, strawberries and other tasty fruits, fruit purees are beloved by both children and adults around the world. Fruits that make it into the puree go through a strict selection process. Fruit puree processing line incorporates all machinery used for selecting, washing, cleaning, crushing and sieving the fruit which ensures the quality of the fruit puree.

Fruit puree

Do you know that the famous classical music composer and pianist Ludwig van Beethoven insisted on drinking a cup of coffee made from exactly 60 pieces of coffee beans? Currently, around 50% of the world’s green coffee beans undergo processing through instant coffee manufacturing equipment to produce instant coffee. The process requires roasting, grinding, brewing, and heating to obtain the extract; the coffee extract will either go through a spray drying process or a freeze-drying process.

Instant coffee

Gentle drying for flavor retention

Low residual humidity

Fully automized CIP cleaning

Closed system with a hygienic design

Belt drying equipment is used predominantly in the chemical industry but can also be found in other industries. This machinery uses conveyor belts to move raw materials through hot air produced by heat exchangers or by using gas. Belt dryers are suitable for continuous air drying and cooling applications. They use heated air or an inert drying gas to remove the moisture, as the product passes through a drying chamber, on a perforated mesh belt. Belt dryers are suitable for industries producing pelletized or granular, dry bulk products. Drying time and the overall drying process depends on the type of product you aim to make.

Belt dryers

It goes by many names. Freeze drying, lyophilization, or cryodesiccation is a form of dehydration that involves freezing the product to remove its water content and then removing the ice by sublimation – this means going from the solid to the gaseous state without going through the liquid phase. Freeze dryers are widely used in the pharmaceutical industry to increase the shelf life of products such as vaccines and other injectables. Due to their ability to best preserve the flavors, freeze dryers are used for food preservation in the food industry by dehydrating high-value products such as seasonal fruits or coffee. Industrial freeze drying systems are usually comprised of multiple components including vacuum pumps, stainless steel condensers, some form of heating and lastly, a chamber for drying where the materials are placed and processed.

Freeze dryers

Vacuum dryers are typically used to dry fabrics that are sensitive to heat. They find application in the production of active pharmaceutical ingredients, fine chemicals, and food products. Contact us to find out which vacuum dryer is most suitable for your specific application.

Vacuum dryers

Food

Industrial drying machines are designed to remove moisture from your product. But the drying process must cater to variations in the state of matter and molecular structure of the input material. Industrial dryer technology exploits the modes of heat transfer (convection, conduction, radiation, evaporative cooling) to control the moisture content.

Drying

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

With over one-third of the population consuming it daily in different forms, coffee is one of the most popular processed beverages worldwide. Not only serving as drinks, but coffee is also often regarded as a culture. Coffee manufacturing is a knowledge-intensive industry. Coffee beans from different regions will reveal different tastes, while the level of caffeine could also be different. When it comes to coffee bean processing, the range of roasts varies from light golden brown all the way to dark. The method of tasting coffee differs between countries, habits, and tools.

Coffee

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.

Fruit pulp is a mass of pressed fresh fruit not meant for immediate consumption. Production of fruit pulp avoids wasting food and preserves the flavors and nutrient value of the fruit product. Processed fruit pulp is an ingredient in beverages, sauces, baby foods, jellies, smoothies, and bakery products.

Tradition and manufacturing procedures dictate the distinction between fruit juice, puree, and pulp. Still, naming and labeling are complex and depend on regulations, type of fruit, texture, consistency, preservation methods, and sugar or solid content (measured in Degrees Brix). Depending on your desired output, there are various fruit pulper machines for different stages of production that make the process quicker and more efficient.

Fruit pulp

Herbs have always been shrouded in mystery. The delicate plans produce overpowering bouquets and potent remedies. Herbal extraction technology gets to the core of this mystery and makes bioactive compounds available for a range of applications. Rich in antioxidants, anti-inflammatories, and aromas, herbal extracts are vital ingredients for medicines, foods, cosmetics, and wellness products.

Herbal extracts

Ancient civilizations discovered that plant extracts were useful for the treatment of pathologies. The origin of plant extraction cannot be specifically verified, but we can infer that the earliest attempts at plant extraction were more intuitive than scientific. Today, the extraction of compounds is a precise process with plant extraction systems complimenting traditional knowledge.

Plant extracts

The building blocks of matter have driven the imagination of philosophers, scientists, and artists for millennia. But, for manufacturers, these elements have a more concrete existence as powders. Powder processing technology conditions these primary materials to create a vast range of products, from chemicals and foods to pharmaceuticals and ceramics.

Powder

Industrially manufactured soups gained traction in the 19th century when canning was invented and they have been warming us ever since. Whether it’s a classic ready-to-eat canned soup, condensed soup or a dry soup mix, soup manufacturing equipment for mixing, cooking, boiling, or sterilizing caters to every manufacturer’s production requirements.

Soup

Continuous

solid

The DryBand system by Bucher Merk is a dynamic belt dryer designed for delicate food ingredients, flavours and extracts.

Organic volatile compounds from fruits, vegetables and herbs are essential to manufacturing flavors, extracts, and pure powders. But elevating

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Vacuum belt dryer for fruit, vegetable and herbal extracts

Gentle freeze-drying for fruit powders, herbal extracts, and flavors

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