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Borage Oil

INCI name:

Borage officinalis

Part used：

Seeds

Extraction method:

Cold pressing

CAS No.：

84012-16-8

Origin：

Australia ，China


Physical Data and Chemical Properties

Appearance ：

Pale yellow oily liquid

Odour：

Borage oil characteristic odor and taste

Relative Density(20℃)：

0.915～0.925

Refractive index(20℃)：

1.471～1.488

Acid value (mgKOH/g):

≤2.0

Peroxide value(mmol/kg)：

≤5.0

Soap change value：

185-195

 The main fatty acid       composition (%)：

Gamma linolenic acid (C18:3)


Description

Borage,also known as a starflower, is an annual herb in the flowering plant family Boraginaceae. It is native to the Mediterranean region and has naturalized in many other locales.It grows satisfactorily in gardens in the UK climate, remaining in the garden from year to year by self-seeding. The leaves are edible and the plant is grown in gardens for that purpose in some parts of Europe. The plant is also commercially cultivated for borage seed oil extracted from its seeds.


Borago officinalis grows to a height of 60–100cm (2.0–3.3 ft), and is bristly or hairy all over the stems and leaves; the leaves arealternate, simple, and 5–15cm (2.0–5.9 in) long. The flowers are complete, perfect with five narrow, triangular-pointed petals. Flowers are most often blue, although pink flowers are sometimes observed. White flowered types are also cultivated. The blue flower is genetically dominant over the white flower.The flowers arise along scorpioid cymes to form large floral displays with multiple flowers blooming simultaneously, suggesting that borage has a high degree of geitonogamy (intra-plant pollination).It has an indeterminate growth habit which may lead to prolific spreading. In temperate climate such as in the UK, its flowering season is relatively long, from June to September. In milder climates, borage will bloom continuously for most of the year.
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