Page 95 - FoodFocusThailand No.219 June 2024

STORAGE, HANDLING & LOGISTICS

different sizes and all sizes. The high CV implied the high fields by taking crab shells from crab processing factories for
fluctuation of the weight of that component, i.e., fat and egg further research and development to add value in various
because out of 53 crabs, there were only 8 crabs with eggs industrial sectors. For example, in the construction industry,
and 10 crabs with fat. The other components had low to medium biopolymers from crab shells can be used to help increase the
CV, implying that the average could be acceptable. strength of the axial compressive in civil construction. For the
The crab shell, which was about 44.57 percent of the raw bio-chemical energy industry, crab shells can be used as
crab weight, was mostly thrown away. Two components, fat catalysts in the production of biodiesel (alternative energy).
and finger, which were about 7.29 percent of the boiled crab Meanwhile, functional food production can synthesize crab shells
weight, had values lower than those of the other components. as prebiotics and natural preservatives. In agriculture, shells
can be used as crab shell powder as an additive in composting
Value Added from Blue Crab towards Sustainability in green waste for growing hydroponic vegetables. The government
3Various Industries The enterprise has considered creating sector should research the wastes of crab shells from processing
value for crab shells and other low-value meats through product plants in Thailand and the amount of production per year to be
development to utilise fingers and fat to add value in the form helpful in making decisions for large-sized manufacturers who
of items, such as crab carapace developed into savory crab could invest in one or more of these applications to create the
meat with salted egg crab. Fingers and fat were processed value chain in the future.
into crab curry paste, crab chili paste, deep-fried crab meat
rolls, crab meatballs, etc. While it was found that most of the
shells that were obtained after peeling the crab were discarded
without being processed, only some crab carapace and claws
are used to add value in processed crab products such as More Information Service Info C013
savory crab meat with salted egg crab and crab claw products,
as well as in processed crab products where crab carapace
and claws are added to add value. Hence, there is an เอกสารอ้างอิง / Reference
opportunity for the community to collect crab shells and claws Kongsup, K. and Ongkunaruk, P. 2022. The Value Chain Analysis and
to increase their value. the Effect of COVID-19 on a Small-Sized Blue Crab Manufacturer: A
The government should play a role in pushing for budgets Case Study in Thailand. Kasetsart Journal of Social Sciences,
to support research projects on the use of crab shells in various 43: 409-416.

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