"Plant cells" refer to the individual units that make up plants. These cells have specific structures and functions that help plants grow, produce food, and carry out various processes necessary for their survival. Full definition
The nutrients in plant cell walls simply pass through our digestive system. (lasting-weight-loss.com)
Their excellent nutritional properties are a sign of great future potential of plant cell cultures in creating new types of superfoods. (sciencedaily.com)
Type I refers to starch that is physically inaccessible to digestive enzymes because it's trapped in plant cell walls. (mindbodygreen.com)