Method for simultaneous extraction of essential oils and...

Details Method for simultaneous extraction of essential oils and... Method for simultaneous extraction of essential oils and...

A - Human Necessities

23

L

A23L 3/3472 (2006.01) A23L 1/221 (2006.01) C11B 9/02 (2006.01)

Patent

CA 2353933

An increase in specific antioxidant activity of extracts from rosemary (Rosemarinus officinalis) is obtained by the use of a blend of tetrafluoroethane and acetone in the extraction process. A blend of tetrafluoroethane, acetone and methanol improves total yield. A tetrafluoroethane and acetone blend has higher efficacy but comparatively lower yields. 1le methods yield a liquid and oily antioxidant extract that is readily mixed with a liquid product such as soybean oil for addition to animal feeds and human food. The methods simultaneously yield pharmaceutical grade essential oils in high yields.

Pour augmenter l'activité antioxydante spécifique d'extraits de romarin (Rosemarinus officinalis), on utilise, lors du processus d'extraction, un mélange de tétrafluoroéthane et d'acétone. Un mélange de tétrafluoroéthane, d'acétone et de méthanol améliore le rendement global. Un mélange de tétrafluoroéthane et d'acétone possède une plus grande efficacité, mais un rendement relativement plus faible. Les procédés permettent de produire un extrait antioxydant liquide et huileux que l'on peut facilement mélanger avec un produit liquide tel que l'huile de soja et, ensuite, ajouter aux aliments pour animaux et pour humains. Lesdits procédés permettent de produire simultanément, avec des rendements élevés, des huiles essentielles de qualité pharmaceutiques.

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