Vanilla culture as practiced in the Seychelles IslandsGalbraith, S. J.
Science
Vanilla culture as practiced in the Seychelles Islands
Galbraith, S. J.
Vanilla industry -- Seychelles
color, and are then ready to spread on the drying shelves; but if there
is a large number together, and the heat has been well kept in, they
may be left for another twenty-four hours.
A curing house for preparing a crop up to 2,000 pounds (dry) may have
the following dimensions and fixings: 30 feet long, 15 feet broad, 13
feet in height of walls. It should be divided into four compartments,
two on the ground and two above, each being approximately 15 by 15 and
6¹⁄₂ feet high. One compartment on the ground floor is used as a hot
room, having a flue 2 feet wide covered with sheet iron running through
the center. If the heat is too intense from this, sand may be sprinkled
on top to reduce it. Above this flue and around two sides of the hot
chamber tiers of shelves are fixed 6 inches apart, on which the pods
are spread to dry. The shelves may be conveniently made of laths, on
top of which mats or canvas can be laid; or fine-meshed wire netting
would serve the same purpose, perhaps, better than anything else. The
entire arrangement will be more easily understood by reference to fig.
2. Compartment No. 1 is the hot room. Dotted lines in it and in Nos. 3
and 4 indicate where shelves are fixed; D, door; W, window, etc. The
table is used for sorting green pods on, and is otherwise useful at
final measuring time and when the pods are tied into packets. No. 3 is
above No. 1, and is also a warm room, some heat from No. 1 coming up
through the floor. The clear spaces in Nos. 2 and 4 have fiber mats
spread on them when required, and on these the pods are handled and
sorted as they progress in curing. The worker, sitting on the floor,
keeps the four lots of pods--long, medium, short, and split--distinct
on the shelves. This facilitates the sorting, the short and split pods
needing to be examined sooner and oftener than the longer and sound
sorts, as they dry more rapidly.
A good average heat for the hot chamber is 110° F. A few degrees more
or less does not matter, but pods are apt to dry too quickly if the
heat is much greater. The slower the process the more uniform and
better is the result. As they begin to turn soft and show longitudinal
wrinkles the pods are removed from room 1 to 3, and after reaching a
certain degree of flexibility they pass on to the shelves in room 4
and there finish their curing. If kept too long in either a hot or a
warm room the thin ends of pods shrink too quickly, and this is to be
avoided. In a large crop there are always some inferior, ill-nourished
pods, in which this occurs, but the last remark will be useful to a
beginner. When fully cured the pods are much wrinkled and pliable,
bending easily around one’s finger. There is considerable difference in
the degree of dryness preferred by different curers. If the contents
move easily all along a pod, without any unevenness being noticed when
it is drawn between the finger and thumb, it is nearly dry enough; but
the right stage can only be learned by experience.
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