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Fruit refers to edible fruit and seeds, usually eaten raw, from mainly perennial shrubs and trees. In contrast to vegetables, fruit tastes pleasantly sour to sweet as it has a higher sugar content. However, it is not always possible to clearly categorise some foods.
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The general term vegetables refers to all plant parts suitable for human consumption (e.g. leaves, fruits, tubers, stems) of herbaceous, wild or cultivated plants that are mainly consumed in a cooked state.1a)
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Pulses, botanically known as Leguminosae or Fabaceae, are ripe, dried seeds of papilionaceous plants that ripen in so-called fruit pods, such as beans, peas and lentils.1)
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The word cereal means "that which is carried". This refers to the grains of grasses.1a) The grain is therefore a fruit, not a seed, and its outer shell is the fruit skin.
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Water is the basis of all life on earth. Whether as drinking water, energy source, transport medium, raw material or as a habitat for a multitude of plants and animals in streams, rivers, lakes, wetlands or seas - water is an important, if not the most important resource on our planet.
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Having first defined the term food in previous articles and differentiated the German term "Lebensmittel" from the often synonymously used term "Nahrungsmittel", we will now give a rough overview of the various food groups and subgroups.
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We talk about climate zones because national borders are man-made. And since flora and fauna are demonstrably not bound to these in their growth and spread, we organise our research trips roughly according to the five main climate zones, which are distinguished from each other by similar geophysical conditions (e.g. amount of solar radiation, air temperature):