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Bucher - Drying technology

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Only one percent of the entire plant species on the planet produces essential oils, but that amount has found its way into various products, from perfumes to foods. Flower extraction systems are similarly diverse, and picking the right ones depends on the organic material and the final product.

Flower 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

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

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

After pasteurizing and homogenizing the raw milk, you need to ferment the milk with starter culture until solid curds and liquid whey is formed. Then, the liquid whey goes through a filtration and drying process to turn it into powder. Before sending it to packaging, flavorings are usually added.

Whey protein

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

Allows frequent product changes

No oxidation and contamination

Prevents loss of aroma and volatile compounds

Drying cabinets consist of an enclosed chamber where products to be dried are placed on stainless steel trays. These drying systems reduce the relativity humidity allowing the moisture to evaporate quickly. Cabinet dryers are widely used for reducing the moisture content of sensitive products.

Drying Cabinets

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

A beverage is any kind of liquid or drink, usually other than water, made for human consumption. Beverages are further classified into two categories: alcoholic beverages and non-alcoholic beverages. Alcoholic beverages refer to liquids that contain 1% to 75% of liquor and are produced by fermentation such as wine, beer, or distillation such as vodka, rum, tequila. Non-alcoholic beverages are drinks that don’t have any liquor such as tea, coffee, fruit juices, soft drinks, and carbonated beverages. They can be produced premix or postmix, depending on the setup of your production line.

Beverages

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

Liquid

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

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

<span style="font-weight: 400">Spice manufacturing is one of the world's oldest trading products. The word spice refers to any dried part of a plant other than the leaves and is used for seasoning and food coloring. Spices are made from dried barks, roots, berries, and twigs, while green leafy parts of plants are considered herbs. Well-known examples include cinnamon, chilies, star anise, ginger, garlic salt, turmeric, cumin, or pepper, as well as pre-mixed blends such as Masala, Five-Spice Powder, or Old Bay.</span>

Spices

Process

Batch

solid

The DryCab by Bucher Merk adapts vacuum drying for heat-sensitive food ingredients such as plant extracts and instant coffee

Plant extracts are vital to functional food preparations. But drying them into solid granules may destabilize their thermolabile compounds and degrade

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Vacuum cabinet dryer for plant extracts and functional foods

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