| *agroforestry system |
a mixed cropping system - involving trees, other
plants and often animals - which has been created within or on the verge
of a natural forest or artificially as an agricultural innovation |
| colour, natural |
a colouring material for foodstuffs, derived
from a natural source, or, of synthetic origins but identical chemically
to a naturally occurring compound |
| olour, nature identical |
a synthetically produced chemical compound which
is identical in all respects to the compound found as a colour component
of a natural source |
| *colourant, natural |
the dried part of a plant or animal (or an extract
thereof) which is employed to impart a colour to foodstuffs |
| dye |
a chemical compound of natural or synthetic
origin which is soluble in the medium used to impart a colour to textiles
and other non-food products |
| *dyestuff, natural |
a dye obtained from a natural source (plant
or animal) |
| E number |
the code number assigned by the European Community
to approved food additives of natural or synthetic origin |
| extract, natural |
the product obtained by extraction of natural
(vegetable) materials with water, vegetable oils or organic solvents |
| fastness/fast colour |
the ability of a dye to withstand colour fading
in the dyed material on repeated exposure to light or washing |
| lake |
a chemical complex formed by the treatment of
certain colourants and dyestuffs with metal salts |
| mordant |
a metallic salt which combines both with the
dye and the fibre being dyed and improves colour fastness |
| *non-wood forest product (NWFP) |
a natural product, other than wood, derived
from a tree or other plants or animals in a forest system |
| oleoresin, spice |
the product obtained by extraction of a spice
with an organic solvent and which contains the soluble non-volatile and
volatile substances originally present in the raw material |
| *pigment, natural |
the specific chemical compounds which are responsible
for the visible colour in live plants |
| synthetic |
a material produced by chemical synthesis |
