Calendula Oil,

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Calendula Oil

INCI name:	Calendula officinalis
Part used：	Bud
Extraction:	Soak
CAS No.：	70892-20-5
Origin：	France

Physical Data and Chemical Properties

Appearance ：	Light yellow to yellow oily liquid
Odour：	Slight marigold flavor, without peculiar smell
Relative Density(20℃)：	0.920～0.940
Refractive index(20℃)：	1.4680～1.4790
Acid value (mgKOH/g):	≤1.0
Moisture and volatile matter (%)：	≤0.1
Soap change value：	180-200

The main fatty acid composition (%)：	Gamma linolenic acid (C18:3)： 4-11
	The oil acid (C18:2)：44-62
	Oil acid (C18:1)：19-30

Description

Calendula officinalis (pot marigold, ruddles, common marigold, garden marigold, English marigold, or Scottish marigold) is a plant in the genus Calendula of the family Asteraceae. It is probably native to southern Europe, though its long history of cultivation makes its precise origin unknown, and it may possibly be of garden origin. It is also widely naturalised further north in Europe (north to southern England) and elsewhere in warm temperate regions of the world.

Calendula officinalis is a short-lived aromatic herbaceous perennial, growing to 80cm (31 in) tall, with sparsely branched lax or erect stems. The leaves are oblong-lanceolate, 5–17cm (2–7 in) long, hairy on both sides, and with margins entire or occasionally waved or weakly toothed. The inflorescences are yellow, comprising a thick capitulum or flowerhead 4–7cm diameter surrounded by two rows of hairy bracts; in the wild plant they have a single ring of ray florets surrounding the central disc florets. The disc florets are tubular and hermaphrodite, and generally of a more intense orange-yellow colour than the female, tridentate, peripheral ray florets. The flowers may appear all year long where conditions are suitable. The fruit is a thorny curved achene.

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