Using nature to enhance natures fighting performance; That system mentioned above may be a bit complex for us ordinary people, however, a simple way to "stimulate" the fighting response from plants or vegetables is to cut them thinly and allow them to stay overnight in the ref. It will cause the plant to excrete(bleed) or give time process their enzymes and becomes more effective to consume rather than just taking them raw. I saw this in discovery channel. I think it makes sense. I noticed that Chinese restaurants cut up their raw veggies or herbs very thinly.