Halve baby bok choy lengthwise; wash in clean running water to remove any soil. Cut crosswise into thin strips; place in a large colander, and sprinkle with salt. Toss to coat.
Place a clean plate inside colander over bok choy; weight with a heavy object. Set aside in sink to drain for 10-15 minutes.
In a large bowl, mix apple, carrots, lemon juice, grape seed oil, and ginger.
Add bok choy and quinoa; season with coarse salt and ground pepper. Mix well.