Alkaloids Free Stock Images

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Field of red poppies - Lest we forget

Field of red poppies - Lest we forget

The Areca catechu nuts.

The Areca catechu nuts.

Berberine, a quaternary ammonium salt from the protoberberine gr

Berberine, a quaternary ammonium salt from the protoberberine gr

Tussilago farfara

Vector drawing. Spring primroses Tussilago farfara, used in medicine and a good honey plant

The Areca catechu nuts.

The Areca catechu nuts.

Poppies field

It blooms in the wild hemp agrimony & x28 Eupatorium cannabinum

It blooms in the wild hemp agrimony & x28 Eupatorium cannabinum

Datura Cornucopia

A white and purple downy thorn apple Datura Cornucopia flower, on a plant with large leaves in front of a clear blue sky

English holly

Alkaloids - caffeine, theobromine, theophylline

Alkaloids - caffeine, theobromine, theophylline

Datura Flower

A close up of a blue Borago officinalis, of borage flower.

A close up of a blue Borago officinalis, of borage flower.

Datura Cornucopia

A white and purple angel's trumpet flower, aka a downy thorn apple Datura cornucopia, on a plant with large leaves in front of a clear blue sky

Poppy flower deep of field

Poppy flower deep of field

Structural chemical formulas of purine alkaloids (caffeine, theophylline, theobromine)

Structural chemical formulas of purine alkaloids (caffeine, theophylline, theobromine)

The Areca catechu nuts.

The Areca catechu nuts.

Root tip of Onion and Mitosis cell in the Root tip of Onion.

Root tip of Onion and Mitosis cell in the Root tip of Onion with dye extracts in glutinous rice under a microscope. Root tip of Onion and Mitosis cell in the Root tip of Onion with dye extracts in glutinous rice under a microscope.

Carbiol

A depth of field shot of an unopened head of a single 'milk to honey' corolla shape angel's trumpet, or white Brugmansia flower, in its early stages of growth. A depth of field shot of an unopened head of a single 'milk to honey' corolla shape angel's trumpet, or white Brugmansia flower, in its early stages of growth

A bee lands on a Borago officinalis, or borageflower.

A bee lands on a Borago officinalis, or borageflower.

Strychnine fruit and leaves- nux vomica

Strychnine fruit and leaves- nux vomica

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