Rubus idaeus / Raspberry Leaf

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Raspberry

Most people are familiar with raspberry as a summer fruit, with vibrant red berries. Raspberry is native to Europe, Asia and North America. They are a member of the rose family (Roseceae). It’s often found growing wild in the countryside, but it has also been cultivated since the 16th century. Various varieties of raspberry exist, which fruit at different times of year. We use Rubus idaeus, a red-fruited species of Rubus native to Europe and northern Asia. It is commonly cultivated in other temperate regions.
 
The berries are highly nutritious, and delicious! As well as the fruit, dried leaves are commonly used as a tea. They tend to be harvested in early summer. The raspberry plant grows up to 2m high. It’s a deciduous shrub with prickly stems and a spread of between 1 and 2m. Raspberry plants prefer moist, slightly acidic soil. After harvesting fruited canes are cut back to ground level. Young canes are best supported for growth.

Parts Used in Herbal Remedies

Leaves, berries.

How Raspberry is Used by Herbalists

Herbalists prescribe raspberry leaf infusions, made from the leaves of the plant. It is believed that raspberry infusions or tea can help prepare the womb for childbirth. Raspberry leaf tincture has also been used in the treatment of diarrhoea, as well as reducing inflammations of various kinds. Herbalists will sometime prescribe a gargle of raspberry leaf infusion for sore throats and mouth ulcers. Traditionally the juice has been used as a remedy for mild fevers.
 
Red raspberries contain upto 31 μg/100 g of folate. Red raspberries have antioxidant effects that may play a role in the killing of stomach and colon cancer cells. Young roots of Rubus idaeus have been shown to prevent kidney stone formation. Raspberry fruit may help protect the liver. Vitamin C and phenols are present in red raspberries.

Caution

Therapeutic doses of raspberry leaf should be avoided in early pregnancy and only taken in the last trimester.

What is a Tincture?

A herbal tincture is a concentrated extract of one or more herbs. The liquid in a tincture is a combination of alcohol and water. A tincture must contain at least 20% alcohol for preservation purposes. Alcohol concentrations tend to vary between 20% and 60%, but can be as high as 90% in some circumstances. At Herbal Apothecary we generally produce tinctures with alcohol concentrations of 25% - 45%. We use ethanol derived from sugar beat.

How Is A Tincture Made?

To produce the Rubus idaeus / Raspberry Leaf we combine a quantity of herb with a proportional amount of liquid. Depending on the herb and the strength of tincture required this ratio can be 1:2, 1:3 or 1:4. The herb, alcohol and water is placed in a production vessel suitable for the size of the batch.

Traditionally, tinctures have been made by a process of maceration. This is where the herb sits in the liquid and over a period of time the plant cells break down. This allows the plant matter to be released into the liquid. Occasionally the producer might agitate the mixture to help the process along.

At Herbal Apothecary we have spent decades improving our tincture production processes. We use a system called Hydro-Ethanolic Percolation. Percolation is where liquid slowly passes through the herb, from top to bottom. In our case, the liquid is not simply passed through the herb once and then collected. Instead, it is continually cycled through the herb. Hydro-Ethanolic Percolation is a combination of maceration and traditional percolation. The circulation of liquid through a spray head agitates the herb, helping the key chemical compounds to be released into the liquid.

Our production vessels are primarily stainless steel. We use low voltage (24v) pumps to circulate the liquid. We have also developed a system of float switches and relays. These ensure the pumps only activate when an adequate level of liquid is present in the sump at the bottom of the vessel. It can take some time for the liquid to filter through the herb.

We produce most of our tinctures using dried herbs, although we sometimes use fresh. It's important that the size of the pieces of herb in the production vessel are small enough for the alcohol to thoroughly penetrate. No prior processing is required for flowers and leaves which are smaller and more delicate. However, for roots, bark and berries which tend to be tougher and larger we use herbs which are diced up into small pieces. This ensures that the maximum amount of plant material can be extracted into the liquid.

The manufacturing process takes 7 days to complete. Once the process is finished, the herb is pressed to extract every last drop of precious liquid. The Rubus idaeus / Raspberry Leaf is filtered and then stored in bulk containers, before being bottled in smaller 250ml, 500ml and 1000ml quantities.

Click here if you'd like to know more about our herbal tincture manufacturing technology. At Herbal Apothecary we are committed to research - we want to provide a robust evidence base for the products we produce. As a result we review our manufacturing systems and processes in order to ensure we're making best use of the raw ingredients.

What is a Fluid Extract?

A herbal fluid extract is a concentrated extract of one or more herbs. The liquid in a fluid extract is a combination of alcohol and water. A fluid extract must contain at least 20% alcohol for preservation purposes. Alcohol concentrations tend to vary between 20% and 60%, but can be as high as 90% in some circumstances. At Herbal Apothecary we generally produce fluid extracts with alcohol concentrations of 25% - 45%. We use ethanol derived from sugar beat.

How Is A Fluid Extract Made?

To produce Rubus idaeus / Raspberry Leaf we combine a quantity of herb with an equal liquid. The herb, alcohol and water is placed in a production vessel suitable for the size of the batch.

Traditionally, fluid extracts have been made by a process of maceration. This is where the herb sits in the liquid and over a period of time the plant cells break down. This allows the plant matter to be released into the liquid. Occasionally the producer might agitate the mixture to help the process along.

At Herbal Apothecary we have spent decades improving our fluid extract production processes. We use a system called Hydro-Ethanolic Percolation. Percolation is where liquid slowly passes through the herb, from top to bottom. In our case, the liquid is not simply passed through the herb once and then collected. Instead, it is continually cycled through the herb. Hydro-Ethanolic Percolation is a combination of maceration and traditional percolation. The circulation of liquid through a spray head agitates the herb, helping the key chemical compounds to be released into the liquid.

Our production vessels are primarily stainless steel. We use low voltage (24v) pumps to circulate the liquid. We have also developed a system of float switches and relays. These ensure the pumps only activate when an adequate level of liquid is present in the sump at the bottom of the vessel. It can take some time for the liquid to filter through the herb.

We produce most of our fluid extracts using dried herbs, although we sometimes use fresh. It's important that the size of the pieces of herb in the production vessel are small enough for the alcohol to thoroughly penetrate. No prior processing is required for flowers and leaves which are smaller and more delicate. However, for roots, bark and berries which tend to be tougher and larger we use herbs which are diced up into small pieces. This ensures that the maximum amount of plant material can be extracted into the liquid.

The manufacturing process takes 7 days to complete. Once the process is finished, the herb is pressed to extract every last drop of precious liquid. The Rubus idaeus / Raspberry Leaf is filtered and then stored in bulk containers, before being bottled in smaller 250ml, 500ml and 1000ml quantities.

Click here if you'd like to know more about our herbal tincture manufacturing technology. At Herbal Apothecary we are committed to research - we want to provide a robust evidence base for the products we produce. As a result we review our manufacturing systems and processes in order to ensure we're making best use of the raw ingredients.

Herbal Capsules

We produce Rubus idaeus / Raspberry Leaf using powdered herb. The powder is very fine, allowing it to flow into the encapsulation machine. Fine powder is also easier for the body to absorb. Sometimes we produce the powder ourselves, from whole or cut herbs. Other times we source powdered herbs directly from our suppliers.

Empty capsules are positioned in the the capsule manufacturing machine. We use vegetarian capsules, size '0'. The empty capsules are then filled with the finely-ground powdered herb. A sufficient quantity of herb is pressed into the empty capsules. Once the capsules are full of powdered herb the tops of the capsules are positioned and firmly pressed into position.

The finished capsules are removed from the machine. Initially we store them in bulk bags. Depending on the type of capsule we may then use our capsule counting machine to dispense capsules into bottles.

Rubus idaeus / Raspberry Leaf are a very convenient way to store and prescribe this herb. Less energy is used in the production process and they take less space to store.

At Herbal Apothecary we produce a wide range of single herb capsules as well as capsules made with blended herbs. The process for producing a blended capsule involves combining 2 or more powders together before encapsulation. Special care is taken to ensure the herbs are thoroughly blended, ensuring an equal distribution of herb through all capsules. Blended herb capsules are a fantastic way of prescribing more complex remedies in a way which is easy for the patient to take.

Powdered Herbs

Powdered herbs like Rubus idaeus / Raspberry Leaf are exactly that. We take high quality whole or cut herbs and process them using our powdering machine. Sometimes we source powdered herbs directly from our suppliers.

Using our powdering machine we can choose the size of the ground herb particle. This means we can produce everything from a course powder, which might be used in a herbal tea or infusion, to a very fine powder.

Powdered herbs like Rubus idaeus / Raspberry Leaf might be used by herbalists in the production of herbal capsules. Powdered herbs are also sometimes used in tincture or fluid extract production.

Cut Herbs

Cut herbs are herbs which have been harvested and then cut into smaller pieces, suitable for further processing. Cut herbs like Rubus idaeus / Raspberry Leaf can be used to produce tinctures or fluid extracts. They can also be used in herbal teas and infusions.

Whole Herbs

Whole herbs like Rubus idaeus / Raspberry Leaf are herbs which are a suitable size to use whole. They are often petals and flowers, which tend to be smaller than leaves, stems and roots. Our whole herbs are dried.

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