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Belacan is Malaysian shrimp paste, made from tiny geragau shrimp. In the Melaka method, the shrimp are salted, sun-dried, ground, packed tight and fermented for about a week, and the cycle is repeated before the paste is shaped into blocks and dried hard. Malaysian food law sets it at no less than 15 % salt and 25 % protein.
Fully documentedFish and seafood28 days – 2.2 months
Recipe
Amounts from a sourceThe usual 10:1 shrimp-to-salt ratio given by Malaysia's national culture department. Producers vary it, and the Melaka method uses fine salt.
Total time across the recorded steps: 28 days – 2.2 months
Start
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What changes:Starting material: tiny fresh shrimp, washed of sand and grit
Step 1 of 5
Clean the shrimp
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Bacillus
Pediococcus
Lactobacillus
Micrococcus
Fresh geragau caught with special nets in shallow coastal water and estuaries are washed of sand, mud and stones. Output: clean shrimp.
Flavour
Not documented
Texture
Not documented
Colour
Not documented
Microbes at work in this step
Not documented for this step.
Method
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
At a glance
Belacan is Malaysian shrimp paste, made from tiny geragau shrimp. In the Melaka method, the shrimp are salted, sun-dried, ground, packed tight and fermented for about a week, and the cycle is repeated before the paste is shaped into blocks and dried hard. Malaysian food law sets it at no less than 15 % salt and 25 % protein. Made in 5 steps over 28 days – 2.2 months. The longest step, repeat drying, grinding and fermenting, takes 21 days – 2 months (Jabatan Kebudayaan dan Kesenian Negara (JKKN)…). Salt is at least 15 % (Malaysia 1985). Bacteria reported in belacan: Bacillus, Pediococcus, Lactobacillus, Micrococcus, Brevibacterium and Corynebacterium does most of the fermenting.
Belacan is dried hard into blocks, unlike cincalok, which stays whole and wet. Malaysian law defines it as salt-fermented paste of fresh shrimp or prawn, and keeps it apart from fish paste.
Belacan MelakaFine salt, and the steps on this page follow this method; its geragau from the Straits of Malacca give it a paler colour than other belacan.
Safety
Bacillus cereus, Staphylococcus aureus and Clostridium have been reported in belacan. It is normally toasted or cooked before use, as in sambal belacan. The law allows only permitted preservatives, colours and flavour enhancers, and it must be clean and free of extraneous matter.
Hazards the sources name: Bacillus cereus, Staphylococcus aureus and Clostridium, reported in belacan.
Malaysia's national culture department (JKKN) says belacan production is thought to have begun centuries ago, when coastal communities looked for ways to preserve their catch of small shrimp. In Melaka it is tied to the traditional fishing communities of the coast, and its quality is linked to Melaka's history as a maritime centre and the fresh geragau of the Straits of Malacca.
Starter
The sources we found do not say how its fermentation begins.