FermenteaWhere food goes to change
Equipment · Baskets, trays and beds
In Liberia, wet cacao is fermented in a leaf-lined woven basket; an Ecuador study documents jute sacks. These vessels differ in form and in the practices documented around them.
This record covers two distinct receptacles for wet cacao: a woven basket and a flexible jute sack. A basket holds a shape on its own; a sack folds and bulges around its load. Their openings, drainage, heat retention and handling are not interchangeable simply because both can hold beans. Sources that describe a sack used to store or ship dried beans do not, by themselves, show that the sack was used to ferment wet beans.
The sources do not give a standard capacity or set of dimensions for either form. Local construction and batch size matter, and no single basket or sack profile can be assigned to every cacao-growing region.
A Liberia Ministry of Agriculture farmer-training manual describes basket fermentation as the most common way smallholders ferment small quantities. It names a basket made from oil-palm-frond midribs, lined with banana or plantain leaves. Wet beans are put inside; the leaf ends are folded over them and weighted with a stone or piece of wood. The basket sits on a wooden platform so liquid and pulp can drain away.
In that manual’s described schedule, the package is opened and the beans are turned and mixed on the third and fifth days, with the beans expected to be ready on the seventh day. These are the manual’s instructions for that practice, not a universal rule for every basket or harvest. A 2008 Liberian sector assessment separately records fermentation in hanging banana-leaf-covered baskets and in leaf-wrapped ground heaps, with reported durations ranging from two days to a week. The sources therefore show more than one Liberian arrangement and timing.
Jute-bag fermentation is documented in an Ecuadorian study of cacao Nacional at locations in Manabí and Los Ríos. The study compared different post-harvest variations, including jute bags, wooden boxes and plastic bags, with different combinations of pre-drying, turning and fermentation time. A jute bag in the study is a flexible fermentation device; a dry-bean shipping sack is a different stage and use.
The Ecuador results cannot be read as a controlled comparison of jute fibre alone: the procedures varied in more than vessel material. They also should not be carried across the map as a description of Liberia. The Liberian Ministry manual mentions jute for packaging processed dry beans, while its account of fermentation describes baskets, heaps and boxes.
A vessel’s shape and the amount of wet beans inside it affect how the ferment retains and loses heat and how liquid drains. A farmer-training guide from Sierra Leone favors cylindrical leaf-lined baskets and explains that too little bean mass may fail to warm quickly; it cautions that broad-topped baskets can lose heat. Those points describe the guide’s training context, not a single specification for all cacao baskets.
A 2023 study found different microbial communities in the heap, box and jute-bag methods it examined. That is evidence of method-associated differences under the study conditions, not proof that jute, a basket or a box alone determines the result everywhere. The references establish no universal capacity, dimensions, cleaning schedule or service life for these baskets and sacks.
The farmer-training guide warns that a fermenting bean mass can be very hot when it is turned.
Hazard sourceUse a wooden paddle or handle the hot mass carefully when turning it.
Control sourceA small load may not heat rapidly enough to ferment well. The Sierra Leone farmer-training guide says basket batch size affects heat development; this is training guidance for that setting, not a universal capacity limit.
Source →The Sierra Leone guide cautions that broad-top baskets lose heat more readily than cylindrical baskets. It does not establish that one basket shape suits every place or batch.
Source →Liberian sources document leaf-lined baskets for fermentation; they do not establish that every producer uses them.
The study includes jute-bag variants at location A in Manabí; this is not a claim that the method is used by all producers in the province.
The study includes jute-bag variants at location E in Los Ríos; this is not a claim that the method is used by all producers in the province.
A muits is a large Shuar clay vessel associated with chicha. The Sucumbíos life-plan gives its size and profile; sources describe both storing and fermenting chicha, but do not establish one uniform form or use across Shuar communities.
No community contributions have been published for this entry yet.
Sign in to contribute. Published comments and photos are free to read.
Ministry of Agriculture, Republic of LiberiaMethod · Materials · Care · Safety · Geography
Training Manual: Farmer Field School Approach and Methodology for Liberian Cocoa FarmersThe manual describes a palm-frond midrib basket lined and covered with banana or plantain leaves for smallholder fermentation.
The basket is raised on a wooden platform for drainage; its described turning days are three and five, with readiness expected on day seven.
The manual records jute bags for packaging processed dry beans, distinct from its basket-fermentation method.
Cited in: Two different forms of fermentation vessel; The leaf-lined basket documented in Liberia; Jute sacks in a different documented setting
Ministry of Agriculture, Republic of Liberia; World Bank document repositoryHistory · Geography · Method
Comprehensive Assessment of the Agriculture Sector in Liberia (CAAS-Lib), Volume 2.1: Sub-Sector ReportsThe Liberia report documents cacao fermentation in hanging banana-leaf-covered baskets and leaf-wrapped heaps, with farmer-reported durations of two days to one week.
Cited in: Two different forms of fermentation vessel; The leaf-lined basket documented in Liberia
International Cocoa OrganizationGeography · Method
A Global Review of Cocoa Farming SystemsThe review records heap or basket fermentation in Liberia for two days to one week and describes regional variation in cocoa fermentation systems.
Cited in: Two different forms of fermentation vessel; The leaf-lined basket documented in Liberia
Food and Agriculture Organization of the United NationsMethod · Materials · Limits · Safety
Organic Cocoa Production: A Guide for Farmer Field Schools in Sierra LeoneThe guide describes cylindrical baskets lined with banana leaves and turning after two days, then daily; seven days is presented as a process to test rather than a universal guarantee.
It warns that too little bean mass may not heat quickly and that broad-top baskets lose heat.
It cautions that a fermenting mass may be very hot during turning.
Cited in: Shape, batch size and what the evidence can say
Foods (MDPI)Method · Geography · Materials
Variations in Ecuadorian Cocoa Fermentation and Drying at Two Locations: Implications for Quality and SensoryThe study ran cacao Nacional fermentation variants at locations in Manabí and Los Ríos, Ecuador, in 2018, including used jute bags and wooden boxes.
Jute-bag variants differed in pre-drying, turning and fermentation duration; the study does not isolate bag material as the sole variable.
Cited in: Two different forms of fermentation vessel; Jute sacks in a different documented setting; Shape, batch size and what the evidence can say
Foods (MDPI)Science · Method
Bacterial and Fungal Communities Are Specifically Modulated by the Cocoa Bean Fermentation MethodThe 2023 study compares heap, box and jute-bag fermentation and reports method-associated microbial differences; its results do not establish a universal material-only effect.
Cited in: Shape, batch size and what the evidence can say
Perfect Daily GrindVisual reference
What Happens During Cacao Fermentation?The article caption credits Jeana Cadby and identifies its photo as a producer checking baskets of fermenting cacao covered in banana leaves in Vietnam.
Puratos HungaryVisual reference
Kakaó fermentációThe article includes a photograph depicting cacao beans inside a coarse jute sack; the photo’s reuse licence and exact production location are not stated.