Dans l'installation de spectrométrie de masse, nous avons analysé et comparé les composés issus des processus de micro-ondes, d'hydrodistillation et de distillation à la vapeur à l'aide de la spectrométrie de masse par chromatographie en phase gazeuse. Voici les résultats des élèves.

Clove, Allspice and Cinnamon

a bowl of cloves

Joseph's Clove Project.

The plant Syzygium aromaticum, also known as cloves, has been historically used as a flavouring in food and as a perfume due to its highly aromatic an…
jar of allspice

Allspice Hydrosol

Rose found frog molecules in this Hydrosol which contains 1/2g per litre eugenol.
a stack of cinnamon sticks

Juli's mystery Cinnamon Sticks.

Juli, determined which variety of cinnamon she had, by the abundance of the chemicals present in the hydrosol. Cinnamon Hydrosol is largely made up of…

Thyme, Oregano, Savory

Bunch of thyme

Chloe's fresh Thyme Hydrosol.

Chloe from Happy Valley, Goose Bay found only two chemicals in Fresh Thyme Hydrosol.
fresh oregano in a jar

Oregano, Origanum vulgare

Oregano hydrosols were prepared using the microwave extraction method which enhanced extraction efficiency and preservation of delicate volatile compo…
winter savory

Winter and Summer Savory

The hydrosol from these herbs is very simple made up of only 3 chemicals.

Long pepper and Ginger

Long Pepper on plate

Kiran and Long Pepper Hydrosol.

The discovery of another frog molecule, elemicin.
a jar of fresh ginger

Ginger Hydrosol

Ginger Hydrosol, arguably my favourite. With both geranial and neral, the smell is soft and warm. Kadidja, made this by grating fresh ginger.

Black Cardamom and Green Cardamom

black cardamom

Eelana and Black Cardamom Hydrosol. A fourth year project.

Eelana, distilled black cardamom by microwave and by hydro. She made oil and hydrosol and this weird emulsion, which is both oil and water based.
sack of green cardamom

Srjeeta's Green Cardamom. A fourth year project.

The purpose of this study is to determine whether the hydrosol created through microwave and hydro distillation contains similar medicinal components …

Opoponax, Nutmeg, Dill

Opoponax Resin

James Resin and Rinds Project.

Making hydrosol from resins is quite different than herbs, as James is discovering.
Nutmeg in a bowl

Three Frog Molecules in Nutmeg

One of the few hydrosols to produce an oil. Nutmeg led to a whole honour's project for Kiran.
Bag of dill seeds

Rose and Dill Seed Hydrosol. That's a lot of carvone!

This began a project looking at molecules like dillapiole, we affectionately called them frog molecules!

Basils

Vana Holy Basil Leaf in a bowl

Vana Holy Basil Leaf, Ocimum gratissimum

The primary objectives of this research project are to conduct an analysis of Vana Holy Basil Leaf hydrosols.
Rama Holy Basil Leaf, Ocimum sanctum bunch

Rama Holy Basil Leaf, Ocimum sanctum

Rama Holy Basil Leaf is a plant known for its lengthy history, wide range of uses, and potential health advantages.
Lemon basil leaf

Lemon Basil Leaf Ocimum Basilicum Var Citriodorum

Lemon basil leaf contains rich source of dietary antioxidants. This herb was found in mainly northeastern Africa and southern Asia.

Chamomile, Yarrow, Lillac

German chamomile

German Chamomile

Bisabolo Oxide is the dominant chemical in this german chamomile hydrosol.
Purple Yarrow

Purple Yarrow

Collected from Stacey's Garden, another hydrosol project by Rose. 1,8 cineole known as eucalyptol is the dominant chemical in this hydrosol. Do you ha…
jar of lilac peddles

Crab Apple and Lilac Hydrosol

Rose won a prize at The Trent Mass Spectrometry Conference 2023 for her analysis of all the isomers of Lilac Aldehyde.

Cedar, Wintergreen, Sweet Woodruff

Cedar

Amy used her Cedar Hydrosol to create a bug spray.

This Cedar Leaf from the genus Thujo, produced a hydrosol that contained the molecule thujone.
Wintergreen

Wintergreen Hydrosol

Laila for her final year of high school, made and analyzed winter green. Laila chose wintergreen because of it's pharmaceutical properties.
Sweet Woodruff

Sweet Woodruff Hydrosol.

Rachel, enjoyed her summer 2023 in the lab, so much she returned for her honours project.

Helichrysum

wreath of Helichrysum

Helichrysum hydrosol

The Helichrysum flower originates from the Mediterranean regions of southern Europe and northwestern Africa.
Lavender

Lavender Hydrosol

Lavender oils and hydrosols contain more than 100 compounds with the two major constituents being linalool and linalyl acetate.
Peppermint leaves in a glass jar

Peppermint and spearmint

Plants play a crucial role as primary producers in ecosystems, converting solar light into food through photosynthesis.
Korean Mint and Hyssop

Hyssop and Korean Mint

Is the Chemical Composition of these two plants from the mint family similar?