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BL-fmt-2602

Germany

Second testing batch for Andrea. As the first batch did not achieve high temperature as expected, we wanted to make some improvements.

Lab Report
Cacao Variety:
Trinitario
Pods' Info

Family farm, An Khanh, Chau Thanh, Ben Tre

Storage of Pods:
5-7 days before fermentation
Brix:
Production Type:
Fermented
Size of Fermentation Unit
30kg
Fermented Method:

Foam-Cooler Box, with banana leaves and jute bags.


We wanted the second batch to have some differences:

  • Additional yeast was introduced (20g for 25kg of beans). Saccharomyces - Wine yeast.

  • Foam-cooler was used to create a controlled anaerobic (less oxygen) environment which is good for the first 2 days for the yeast.

  • Drainage system was created at the bottom of the box. Juice was extracted out after the first day.

Added yeast:
Yes
Fermented Days:
6 days + 1 night = 154hrs
Times of Turning:
2
Notes on Fermentation & Temperature

Observed Temperature:

  • Day 3: 39.5 C

  • Day 4: 42 C

  • Day 5: 43 C

  • Day 6: 43 C


[....]


First 2 days:

  • Good temperature achieved. 

  • The yeast had probably been very active and made the pulp broken down nicely.

  • Cut Test: it was dark purple inside.

  • Smell Test: fruity wine smell detected, but quite strong.

  • I tasted the fermented juice: wine-like but quite sour.

  • When turned, we used a fan to better circulate the air.

The 6th day:

  • Smell Test: vinegary scent mixed with ripe fruity

  • Visual Look - outside: reddish-brown shell color + rounded/plump beans

  • Visual Look - under pulp: nice brown, very good.

  • Visual Look - inside: very good.

  • Cut Test before drying: Brown [75%]; Purple Brown [25%]


Notes on Drying & Humidity

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Notes on Storage & Shipping

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Local Cut Test:
[....]
Final Observations:

We had thought this batch would produce good ones, but the final results showed somewhat unexpected.

  • Chocolate smell detected but not as good as the first batch.

  • Ammonia-like smell detected to a certain extent.

Perhaps, the added yeast is not appropriate or the amount of the yeast is too large.

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