Every year, millions of coconuts are processed across tropical regions, leaving behind a significant amount of waste. While the flesh, shell and husk often find secondary uses, the water from mature coconuts has traditionally been discarded by processing units. In Kerala, however, this overlooked by-product inspired an innovative materials venture that blends design, biotechnology and sustainability. Founded in 2018, Malai Biomaterials has developed a biodegradable material using bacterial cellulose grown from discarded coconut water, demonstrating how waste can become a valuable resource through thoughtful innovation.
A collaboration across continents
Malai Biomaterials was established in Kerala, India, by Slovak material designer Zuzana Gombosova and Indian product designer and engineer Susmith Suseelan. Bringing together expertise in material research, engineering and sustainable design, the founders shared a common interest in creating alternatives to conventional materials derived from fossil fuels or animal products.
Rather than developing another synthetic fabric or plastic substitute, they focused on biological materials that could be produced locally using renewable resources. Their research eventually centred on bacterial cellulose, a naturally occurring material produced during the fermentation process by specific bacteria. By using waste coconut water as the nutrient medium, they found a practical way to convert an agricultural by-product into a useful biomaterial.
The company established its primary operations in Kochi, Kerala, while also maintaining distribution activities in Slovakia to support its presence in European markets.
From discarded coconut water to bacterial cellulose
The foundation of Malai Biomaterials lies in bacterial cellulose. Unlike plant cellulose extracted from wood or cotton, bacterial cellulose is created by microorganisms during fermentation. It forms a flexible network of cellulose fibres that can be harvested, processed and transformed into sheet-like materials.
The innovation is not the discovery of bacterial cellulose itself, which has been studied for decades, but its application using coconut-processing waste as the primary feedstock. Mature coconut water, often discarded during coconut processing because it is unsuitable for drinking, provides nutrients that help cultivate the bacteria responsible for producing cellulose.
Once harvested, the cellulose undergoes washing, natural treatment and finishing processes before becoming a durable biomaterial suitable for various design applications. The company has also explored combining the cellulose with natural fibres and plant-based coatings to improve strength and usability while maintaining biodegradability.
Sustainability built into the process
One of the defining features of Malai Biomaterials is its emphasis on circular production. Instead of relying on newly cultivated raw materials, the company works with coconut-processing units across South India to collect coconut water that would otherwise become waste.
This approach offers two environmental advantages. First, it reduces waste generated by the coconut-processing industry. Secondly, it creates value from an existing resource without increasing pressure on agricultural land or requiring additional cultivation solely for material production.
The company also states that its materials are bio-based, vegan, biodegradable and designed to avoid toxic substances commonly associated with conventional synthetic materials. At the end of their useful life, the materials are intended to break down naturally under suitable composting conditions rather than persist in the environment like many petroleum-based plastics.
Working with local communities
Beyond material innovation, Malai Biomaterials has incorporated community participation into its production model. Its pilot manufacturing unit operates in rural Kerala, where local production staff are employed. The company also collaborates with artisans and maker communities involved in transforming the developed material into finished products.
This decentralised approach reflects the founders’ broader vision of linking scientific research with local craftsmanship. Instead of separating innovation from manufacturing, the company integrates research, production and skilled manual work within regional communities connected to the coconut industry.
Although relatively small in size, with a compact core team supported by external collaborators, the company demonstrates how specialised research ventures can maintain close relationships with local supply chains while serving international markets.
Design beyond materials
For Malai Biomaterials, design extends beyond appearance or functionality. The company describes design as creating a better relationship between people, products and the environment. This philosophy is reflected in its efforts to develop materials within circular systems that encourage repair, responsible use, recycling where possible and environmentally friendly disposal.
Rather than treating sustainability as a marketing feature, the company’s work focuses on the material itself—how it is sourced, manufactured and eventually returned to nature. Such thinking aligns with the growing interest in regenerative and circular design practices that seek to minimise waste throughout a product’s entire life cycle.
Malai Biomaterials represents an emerging direction in sustainable material development, where biotechnology, agricultural waste and thoughtful design converge. By transforming discarded coconut water into bacterial cellulose, the company highlights how local resources and scientific research can contribute to new alternatives for conventional materials.
Although bacterial cellulose remains a niche material compared with established textiles or plastics, continued research may expand its applications in the years ahead. Malai Biomaterials serves as an example of how innovation can begin with a simple question: what if a waste product could become the starting point for something entirely new? Its journey illustrates the growing potential of bio-based materials in shaping a more resource-efficient future while keeping local communities and environmental responsibility at the centre of the process.
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