For Precursor we have terms and definitions in 14 topics. The topics are Addiction, Air Quality, Anti Aging, Anti-Aging, Beauty, Environment, Enzymatic Therapy, Health and Beauty, Mind, Nutrition, Prostate Cancer, Supplements, Textiles and Vitamins.

Precursor (Addiction)

In a metabolic sequence of reactions, a compound that gives rise to the next compound: for example, choline is the precursor for the neurotransmitter acetyicholine

Precursor (Air Quality)

Compounds that change chemically or physically after being emitted into the air and eventually produce air pollutants. For example, organic compounds are precursors for ozone

Precursor (Anti Aging)

Something that precedes.

Precursor (Anti-Aging)

a chemical that can be converted by the body into another is a precursor of the latter chemical.

Precursor (Beauty)

Something that precedes something. In biological processes, a substance from which another, usually more active or mature substance is formed. In clinical medicine, a sign or symptom that heralds another.

Precursor (Environment)

In photochemistry, a compound antecedent to a pollutant. For example, volatile organic compounds (VOCs) and nitric oxides of nitrogen react in sunlight to form ozone or other photochemical oxidants. As such, VOCs and oxides of nitrogen are precursors.

Precursor (Enzymatic Therapy)

A substance used by the body to form another compound.

Precursor (Health and Beauty)

Something that precedes something. In biological processes, a substance from which another, usually more active or mature substance is formed. In clinical medicine, a sign or symptom that heralds another.

Precursor (Mind)

A chemical that precedes another in a series of metabolic breakdowns.

Precursor (Nutrition)

A substance out of which another substance is made by chemical modification. This is a natural occurrence in the body - such as DHEA being the precursor of different steroids including estrogen.

Precursor (Prostate Cancer)

A biochemical substance, such as an intermediate compound, from which a more stable or definitive product is formed

Precursor (Supplements)

A substance which is converted to another; i.e. Beta Carotene to Vitamin A as it is assimilated by the body.

Precursor (Textiles)

Raw materials used in a controlled pyrolysis process to make carbon fibres.

Precursor (Vitamins)

See Provitamin.

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