Pulses optimized for flavour and functionality
Pulses, the dried edible seeds of certain legumes, are attractive protein crops for their suitability to the European climate, with relatively high yields, and nitrogen-fixing properties. Proteins from pulses like peas and faba beans are increasingly desired by companies and consumers to replace animal proteins in products like meat and dairy alternatives. However, the current flavour and functionality of pulse proteins are not optimal for application in these products. The aim of this project is to combine plant science and food science to breed pulses for optimal flavour and functionality to be cultivated in Europe, used specifically for human consumption, and applied in complex food products such as meat and dairy alternatives.
Relatively little effort has been put into breeding pulses to-date, and breeding efforts have not focused on proteins in the past. Pea has primarily been cultivated for, and optimized for, its starch. Only little efforts been undertaken to improve peas for protein cultivation. Faba beans, which have the highest yield per hectare of any known pulse crops for Europe, have not been bred for protein content at all. This consortium brings together actors from the total pulse supply chain, including breeders, growers, processors, and food producers. The partners are committed to using a reverse-engineering approach starting with the product requirements to determine the flavour and functionality of pulse proteins and to go to the start of the production chain and select and breed pulses that have better properties towards the application in food. On the plant side, varieties will be developed with reduced content of off-flavour (responsible) compounds, while on the postharvest side process and ingredients options will be optimized to improve the flavour and functionality of pulse proteins for better properties towards food applications.
Scientifically, this project will deliver new knowledge in both the plant science and technology fields, and distribute the knowledge across the supply chain. Knowledge will be generated on the genetic determinants to protein quality and functionality and the occurrence of flavour-active compounds, on how flavour and functionality in product application result from raw material and product processing, with focus on the interactions between plant proteins and flavour.
The partners aim to discover the challenges, limitations, and opportunities from each other, and to apply this new understanding to accelerate the pace of innovation. Upon successful completion of this work, this consortium will have delivered a major improvement in the flavour and functional quality of pulse ingredients, enabling the food industry to launch better-tasting, sustainable, and locally-sourced products.
This PPS is relevant to MMIP A4, Protein supply from (new) plant-based sources, which aims to shift the ratio animal to plant-based proteins in the human diet, and aims to develop sustainable, healthy, and by the consumer accepted plant-based products. The project focuses on pulses optimised in flavour and functionality as a protein source for meat- and dairy alternatives, covering the whole supply chain.
The project contributes to the subprogrammes:
(1) plant-based protein sources, by diversification of protein-rich crops (pea and faba bean), with optimal flavour and functionality for application in meat- and dairy alternatives
(4) process chain from crop to product, by gaining insight in the role of processing (e.g. milling and fractionation) on flavour and functionality of pea and faba bean proteins
(5) consumer behaviour and health, by measuring sensory perception of the proteins and products to optimise the flavour profile.
The unique collaboration of the total supply chain and science fields will deliver new fundamental insights leading to further innovation trajectories, aims to enable concrete market growth, and is in the core of the aims of MMIP A4. The explicit aim is not necessarily to breed a raw material with the cleanest possible flavour, but rather to breed a raw material that leads to the cleanest possible flavour in the end product. A more intense but more easily removed off-flavour can therefore be preferred. These findings can only result from a cross-supply-chain collaboration focusing on continuous feedback and science integration. Last but not least, the project aims at delivering fundamental insights in the required protein functionality and flavour profile to create appealing meat and dairy alternatives.
Intended project results:
i. Identification of requirements for flavour and functionality of pulse proteins and pulse protein fractions
ii. Selection of cultivars suitable for the demands of the food industry
iii. Reduction of off—flavours in pulses by selection / breeding / post-harvest processing
iv. Process-guidelines for off-flavour and functionality of pulse ingredients, including comparison to soy
v. Understanding flavour-protein interactions to limit extensive addition of flavourings to dairy and/or meat alternatives.
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