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Procédé obtention extrait d'Ashitaba.

How is Ashitaba extract obtained?

The Ashitaba or Angelica keiskei is a plant from the Apiaceae family. Originating from Japan, it is used as a medicinal plant and as an ingredient in cooking. It also garners interest in the field of skincare due to its ability to slow down aging. Let's explore together how it is extracted to take advantage of its benefits.

A few words on Ashitaba.

Ashitaba, known by the botanical name Angelica keiskei or also referred to as the "tomorrow leaf," is a perennial plant native to Asia. Initially cultivated in Japan and China, it is now found in America and Europe. The plant, which grows to a height of 50 to 100 cm, has been known to the Japanese for over two millennia and is a cornerstone of medicinal plants.

Often considered a superfood, theAshitaba is gradually making its way into the cosmetic universe. Little known in the West, this plant with numerous virtues has long been synonymous with longevity in Japan, which recognizes its many benefits for both health and skin.

It is renowned for its action against signs of aging, contributing to the process of autophagy. This is a phenomenon that promotes the elimination of waste in the body. These benefits make Ashitaba an anti-aging ally: let's discover below how to obtain it.

Skincare: How is Ashitaba Extract Produced?

Thesolvent extraction or solid/liquid extraction is a common method to obtain a plant extract. The principle involves macerating a part of it (leaves, roots, stems...) in a liquid solvent such as ethyl alcohol, water, propylene glycol, and ether, or semi-gaseous, like CO2 in its supercritical state.

The leaves and stems are the parts used for the Ashitaba extract. The process is carried out in several stages.

  1. After harvesting, the plant material is washed, then dried at room temperature before being ground to facilitate the release of active ingredients;

  2. The raw material is then macerated in 70% ethanol for three days to transfer the active molecules into the solvent;

  3. The macerate obtained is then filtered in order to separate the liquid from the ground raw material;

  4. The extract is concentrated using a rotary evaporator at 40°C. This process involves evaporating the solvent under reduced pressure;

  5. The Ashitaba extract is then dried to ensure its preservation. This is done according to the principle of atomization, that is, in the presence of hot air.

Depending on the situation, the plant extract may undergo a purification process to eliminate contaminants and select active molecules. This is done using a filtration membrane with pores of varying sizes.

In which Typology skincare product can one find Ashitaba extract?

TheAshitaba extract (INCI: Angelica Keiskei Extract) is packed with flavonoids, known for their antioxidant action. It is thus one of the active ingredients in our antioxidant serum in combination with ferulic acid. These two combined ingredients are at the origin of a treatment slowing the appearance of premature signs of aging, suitable for all skin types. Indeed, they have a targeted action against free radicals. Moreover, they activate cells to promote the process of cellular regeneration and even out the skin's texture. Thus, the skin is smoother and more radiant.

Source

  • DEWANTI M. A. & al. The ethanolic extract of ashitaba stem (Angelica keskei [Miq.] Koidz) as future antituberculosis. Journal of Advanced Pharmaceutical Technology & Research (2018).

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