How much essential oil I can get from my raw material

How much essential oil I can get from my raw material

Next factors define your yield of essential oil with your copper distiller.

  • Size you your column
  • How voluminous is your raw material
  • What is the average oil content of your raw material? 

1. The bigger the column is, the better for you. For those raw materials which are extracted by water distillation, the size of the boiler is determinant. These are clove buds, coffee beans etc (see the chart below). But for most raw materials meant for distillation the size of the column is the thing you have to consider when choosing your copper distiller for essential oil extraction.  

2. Since the oil content is calculated for the weight of the raw material, it is the volume of e.g. 1 kg of the particular raw material that defines how much of that you will be able to put into the column. E.g. 1 lb or 1 kg of eucalyptus dry leaves take 3 to 4 times more space then 1 lb or 1 kg of dry rosemary leaves. 

To get an idea how voluminous your raw material is, get a bucket and fill it with chosen raw material. Weigh that raw material you have filled into the bucket. Let's say you have got 4 lb (15 l) of lavender flowers and it has a weight of 6,6 pounds (3 kg). To get the volume of 1 lb (1 kg) of you raw material you have to divide volume by weight, so 4/6,6 = 0,6 lb (15/5 = 5 kg), which means 1 lb of lavender flowers takes 0,6 lb (5 l) of volume.

If your essential oil has in average 2% of essential oil content, it means you will get 0,6*0,02=0,012 pounds or 0,42 oz from 1 g of the lavender flowers (1000 g *0,02 = 20 g of essential oil). 

If you have a 0,53 g column you will get 0,53*0,42=0,22 oz from the raw material stated above.

3. The content of the essential oil in let say 1 lg (1 kg) of raw material could vary from 5,6 oz (350 ml) of essential oil to 0,08 oz (0,5 ml) or even less. Below you can find indicative numbers for oil content in the different types of the fresh raw material. 

The oil content given below is only an approximate one. The quality of raw material can heavily influence the oil content in your raw material. 

Mode is the preferable way to extract essential oil.

SD for steam distillation

SW for steam and water distillation

SE for solvent extraction

WD for water distillation

CE for cold expression

AROMATIC PLANT

BOTANICAL NAME

SOURCE

MODE

% YIELD

ALLSPICE

PIMENTA DIOCA

GROUND SEEDS

SD

4,5

ANGELICA

ANGELICA ARCHANGELICA

RHIZOME

SD

0.3 – 1.0

ANGELICA

ANGELICA ARCHANGELICA

SEED

SD

0.6 – 1.5

ANISE

PIMPINELLA ANISUM

SEED

SD

1.5 – 4.0

ARNICA

ARNICA MONTANA

FLOWERS

SD

1,0

ARNICA

ARNICA MONTANA

ROOT

SD

1,0

BASIL, SWEET

OCIMUM BASILICUM

LEAVES & TOPS

SD

0.5 – 1.5

BAY LEAF

LAURUS NOBILIS

LEAVES

SD

3,0

BENZOIN

STYRAX BENZOIN

RESIN

SE

?

BERGAMOT

CITRUS BERGAMIA

YOUNG FRUIT

CE/SE

3.0 – 5.0

CAJEPUT OIL

MELALEUCA CAJEPUTI

LEAVES & TWIGS

SD

?

CALAMINT

CALAMINTHA OFFICINALIS

FLOWERING TOPS

SD

0,5

CALAMUS ROOT

ACORUS CALAMUS

RHIZOME

SD

1,5

CAMPHOR TREE

CINNAMOMUM CAMPHORA

LEAVES & TWIGS

SD

2,0

CARAWAY

CARUM CARVI

SEEDS & FRUIT

SD

3.2 – 7.4

CARDAMOM

ELETTARIA CARDAMOMUM

SEEDS

SD

8

CARROT, WILD

DAUCUS CARROTA

SEEDS

SD

0.1 – 7.1

CASCARILLA

CROTON ELEUTERIA

BARK

SD

3,0

CASSIA BARK

CINNAMOMUM CASSIA

LEAVES & BARK

SD

1,5

CASSIE

ACACIA FARNESIANA

FLOWERS

SE

1,9

CEDARWOOD

JUNIPERUS VIRGINIANA

WOOD CHIPS

SD

4,5

CELERY SEED

APIUM GRAVEOLENS

SEED

SD

3,0

CHAMOMILE, GERMAN

MATRICARIA RECUTITA

FLOWERS

SD

0.3 – 1.0

CHAMOMILE, ROMAN

CHAMAEMELUM NOBILIS

FLOWERS

SD

0.3 – 1.0

CINNAMON

CINNAMOMUM ZEYLANICUM

INNER BARK

SD

0,1

CLARY SAGE

SALVIA SCLARIA

LEAVES & TOPS

SD

?

CLOVE

SYZGIUM AROMATICUM

FLOWER BUDS

WD

14 – 21

COFFEE

COFFEA Sp.

ROASTED BEANS

WD

0,12

CORIANDER

CORIANDRUM SATIVUM

SEEDS

SD

1,0

DILL

ANETHUM GRAVEOLENS

SEED

SD/WD

2.5 – 4.0

DILL LEAF

ANETHUM GRAVEOLENS

YOUNG PLANTS

SD/WD

0.3 – 1.5

EUCALYPTUS

EUCALYPTUS Sp.

ALL PARTS

SD

1.0 – 7.0

FENNEL

FOENICULUM VULGARE

SEED

SD

4.0 – 6.0

FRANKINCENSE

BOSWELLIA CARTERI

RESIN

SD

?

GALANGAL

ALPINIA Sp.

RHIZOME

SD/SE

?

GARLIC

ALLIUM SATIVUM

ROOT BULBS

SD

0,1

GERANIUM

PELARGONIUM GRAVEOLENS

LEAVES

SD

0.3 – 2.0

GINGER

ZINGIBER Off.

RHIZOME

SD

3,0

HOPS

HUMULUS LUPULUS

STROBILES

SD

1,0

HYSSOP

HYSSOPUS Off.

LEAVES & TOPS

SD

1,0

IRIS (ORIS)

IRIS PALLIDA

AGED RHIZOME

SD/SE

0,2

JUNIPER BERRIES

JUNIPERUS COMMUNIS

FERMENTED BERRIES

SD

1,5

JUNIPER LEAVES

JUNIPERUS Sp.

NEEDLE LEAVES

SD

1.0 – 2.5

LAVENDER

LAVENDULA ANGUSTIFOLIA

FLOWER TOPS

SD

0.5 – 1.0

LEMON BALM

MELISSA Off.

LEAVES & TOPS

SD

0.015

LEMON PEEL

CITRUS LIMON

FRUIT RIND

CE/SD

2,0

LEMON VERBENA

ALOYSIA TRIPHYLLA

LEAVES & TOPS

SD

1,5

LEMONGRASS

CYMBOPOGON CITRATUS

LEAVES

SD

1,0

LIME

CITRUS AURANTIFOLIA

FRUIT RIND

CE/SD

?

LOVAGE

LEVISTICUM Off.

ROOT

SD

0.5 – 1.0

MACE

MYRISTICA FRAGRANS

ARILS

SD/WD

17.0 – 25.0

MANDARIN

CITRUS RETICULATA

FRUIT RIND

CE/SD

0,5

MARJORAM, SWEET

ORIGANUM MAJORANA

LEAVES

SD

0,9

MUSTARD, BLACK

BRASSICA NIGRA

SEEDS

SD/WD

1,5

NEROLI

CITRUS AURANTIUM

BLOSSOMS

SE/SD

0,1

NUTMEG

MYRISTICA FRAGRANS

SEED

SD

15.0 – 25.0

ORANGE PEEL

CITRUS Species

FRUIT RIND

CE/SD

1.5 – 5.0

OREGANO

ORIGANUM VULGARE

FLOWERS

SD

1,2

PARSLEY

PETROSELENIUM SATIVUM

LEAVES OR SEEDS

SD

0,5

PATCHOULI

POGOSTEMOM CABLIN

LEAVES

SD

2.0 – 4.0

PENNYROYAL

MENTHA PULEGIUM

LEAVES

SD

1,5

PEPPER, BLACK

PIPER NIGRUM

PEPPERCORNS

SD/SE

2,5

PEPPER, CUBEB

PIPER CUBEBA

FRUITS

SD

2,0

PEPPER, WHITE

PIPER NIGRUM

POWDERED SEEDS

SD

1,5

PEPPERMINT

MENTHA PIPERITA

LEAVES & TOPS

SD

1.0 – 2.5

PETIGRAIN

CITRUS AURANTIUM

LEAVES & TWIGS

SD

0,5

PINE SAP

PINUS Species

RESIN

SD/WD

15.0 – 35.0

PINE NEEDLES

PINUS Species

NEEDLES

SD

0.5 – 3.0

ROSE, DAMASK

ROSA X DAMASCENA

FLOWERS

SD/WD

/SE

0.02 – 0.03

ROSEMARY

ROSMARINUS OFFICINALIS

FLOWERING TOPS

SD

2,0

SAGE

SALVIA OFFICINALIS

LEAVES

SD

2,5

SANDALWOOD

SANTALUM ALBUM

ROOT WOOD

SD

4,5

SASSAFRAS

SASSAFRAS ALBIDUM

ROOT BARK

SD

4,0

SAVORY, SUMMER

SATUREJA HORTENSIS

LEAVES & STEMS

SD

0,1

SPEARMINT

MENTHA SPICATA

LEAVES & TOPS

SD

2,0

STAR ANISE

ILLICIUM VERUM

SEEDS

SD

3,0

STYRAX

LIQUIDAMBAR ORIENTALIS

CRUDE RESIN

SD/SE

?

TANSY

TANACETUM VULGARE

LEAVES & TOPS

SD

0,7

TARRAGON

ARTEMISIA DRACUNCULUS

LEAVES & TOPS

SD

0.08 – 1.5

TEA TREE

MELALEUCA ALTERNIFOLIA

LEAVES & TWIGS

SD

?

THYME

THYMUS VULGARIS

LEAVES & TWIGS

SD

2,5

TUMERIC

CURCUMA LONGA

ROOT POWDER

SD

5,0

VALERIAN

VALERIANA OFFICINALIS

RHIZOME

SD

1,0

VANILLA

VANILLA FRAGRANS

CURED PODS

SE

0.5 – 3.0

VETIVER

VETIVERIA ZIZANIOIDES

ROOT

SD

0,9

VIRGINIA SNAKEROOT

ARISTOLOCHIA SERPENTARIA

RHIZOME

SD

1,2

WINTERGREEN

GAULTHERIA PROCUMBENS

LEAVES

SD

0,6

WORMWOOD

ARTEMISIA ABSINTHIUM

LEAVES & TOPS

SD/SE

0.5 – 2.0

YARROW

ACHILLEA MILLEFOLIUM

LEAVES & TOPS

SD

0,15

YLANG YLANG

CANANGA ODORATA

FLOWERS

SD

2,0

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