Bratislava, Slovakia

Chemistry and Food Technology

Chémia a technológia požívatín

Table of contents

⇑Chemistry and Food Technology at Slovak University of Technology in Bratislava

Language: Slovak Studies in Slovak
Subject area: physical science, environment
University website: www.stuba.sk
Type: PhD/Doctoral programme
Academic degree: PhD.
Duration: 4–5 years

⇑Definitions and quotes

Chemistry
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds. Chemistry addresses topics such as how atoms and molecules interact via chemical bonds to form new chemical compounds. There are four types of chemical bonds: covalent bonds, in which compounds share one or more electron(s); ionic bonds, in which a compound donates one or more electrons to another compound to produce ions (cations and anions); hydrogen bonds; and Van der Waals force bonds.
Food
Food is any substance consumed to provide nutritional support for an organism. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth.
Food Technology
Food technology is a branch of food science that deals with the production processes that make foods.
Technology
Technology ("science of craft", from Greek τέχνη, techne, "art, skill, cunning of hand"; and -λογία, -logia) is first robustly defined by Jacob Bigelow in 1829 as: "...principles, processes, and nomenclatures of the more conspicuous arts, particularly those which involve applications of science, and which may be considered useful, by promoting the benefit of society, together with the emolument [compensation ] of those who pursue them" .
Food
The inexperienced in wisdom and virtue, ever occupied with feasting and such, are carried downward, and there, as is fitting, they wander their whole life long, neither ever looking upward to the truth above them nor rising toward it, nor tasting pure and lasting pleasures. Like cattle, always looking downward with their heads bent toward the ground and the banquet tables, they feed, fatten, and fornicate. In order to increase their possessions they kick and butt with horns and hoofs of steel and kill each other, insatiable as they are.
Plato, Republic, 586a
Chemistry
It is a mistake to confound Alchemy with Chemistry. Modern Chemistry is a science which deals merely with the external forms in which the element of matter is manifesting itself. It never produces anything new. We may mix and compound and decompose two or more chemical bodies an unlimited number of times, and cause them to appear under various different forms, but at the end we will have no augmentation of substance, nor anything more than the combinations of the substances that have been employed at the beginning. Alchemy does not mix or compound anything, it causes that which already exists in a latent state to become active and grow. Alchemy is, therefore, more comparable to botany or agriculture than to Chemistry; and, in fact, the growth of a plant, a tree, or an animal is an alchemical process going on in the alchemical laboratory of nature, and performed by the great Alchemist, the power of God acting in nature.
Franz Hartmann. (1890) In the Pronaos of the Temple of Wisdom, containing the History of the True and the False Rosicrucians. p. 129
Food
What is sufficient for health is not enough for pleasure. And it is often a matter of doubt whether it is the needful care of the body that still calls for food or whether it is the sensual snare of desire still wanting to be served. In this uncertainty my unhappy soul rejoices, and uses it to prepare an excuse as a defense. It is glad that it is not clear as to what is sufficient for the moderation of health, so that under the pretense of health it may conceal its projects for pleasure.
Augustine, Confessions, as translated by A. Outler, Book 10, Chapter 31, p. 197
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