All about fruitarianism with a long-term fruitarian, Lena

History of Plant Studies: 

In the centuries following the time of Aristotle and his students, who made the first philosophical attempts to understand plants in their complexity, interest in herb plants was limited mainly to their medical usage. This changed in the sixteenth century when the first biological attempts were done to understand the basic principles of structure and function of plants. At first, studies were largely devoted to plant distribution, taxonomy, and morphology. Later, taking the lead from medicine, anatomy and cytology of plants were added to the curriculum of plant sciences, as studied in the early universities.

In fact, the cellular nature of living organisms was first elaborated using plants (Hooke 1665). By the end of the 19th century, it was realised that plants were even more similar to animals than had been thought hitherto.

  • For their reproduction, plants use identical sexual processes.
  • Plants attacked by pathogens develop immunity, using the corresponding processes and mechanisms in animals.
  • Both animals and plants use the same molecules and pathways to drive their circadian rhythms.

Critical mass of new data has been accumulated, culminating in the emergence of plant neurobiology.

Plants are intelligent organisms, which perform complex information processing. The word "neuron" was taken by animal neurobiologists from Greek where the original meaning of this word is vegetal fibre.

Auxin emerges as a plant-specific neurotransmitter. Roots are specialized not only for the uptake of nutrients, but also seem to support neuronal-like activities based on plant synapses. Vascular elements allow the rapid spread of hydraulic signals and action potentials, resembling nerves. Plants are capable of learning and make decisions about their future activities according to the actual environmental conditions. It is obvious that they possess a complex apparatus for the storage and processing of information.

Charles Darwin

There is no fundamental difference between man and the higher animals in their mental faculties . . . The lower animals, like man, manifestly feel pleasure and pain, happiness, and misery.

Nitrogen Balance

Nitrogen balance is a measure of nitrogen input minus nitrogen output

Nitrogen Balance = Nitrogen intake - Nitrogen loss

Nitrogen is a fundamental component of amino acids, which are the molecular building blocks of protein. Measuring nitrogen inputs and losses can be used to study protein metabolism. 

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