SACRAMENTO, Calif. — Scientists, doctors, and pathologists are questioning the Sacramento County coroner’s conclusion that Lori McClintock’s death was related to white mulberry, a plant that has been used as an herbal remedy for centuries — and one that the coroner’s botanical consultant called “not toxic” in a letter to her office. McClintock, the wife of U.S. Rep. Tom McClintock (R-Calif.), died suddenly in December from dehydration due to gastroenteritis — an inflammation of the stomach and intestines — that was caused by “adverse effects of white mulberry leaf ingestion,” according to a re…