Plant-based, cultivated meat and fermentation companies saw funding rise to $5 billion.

The TruVail line initially includes high-protein soy flour, soy protein concentrate and texturized proteins.

The certification pertains to how an ingredient does not cause abdominal discomfort.

Plant-based foods maker seeks alternative to fractionated protein concentrates. 

Fermentation and novel sources like air particles could boost innovation.

Wheat protein offers non-GMO, neutral taste benefits.

Innovation challenge addresses improving texture and melting properties of plant-based alternatives.

Plant protein fares much better.