Bok choy of the Daily Value, DV) of vitamin A (30% DV), vitamin C (54% DV) and vitamin K (44% DV), while providing folate, vitamin B6 and calcium in moderate amounts (10–17% DV) (table). Chinese cabbage was ranked #2 for nutrient density out of 41 nutrient-rich plant foods. Bok choy contains glucosinolates. These compounds have been reported to prevent cancer in small doses, but, like many substances, can be toxic to humans in large doses, particularly to people who are already seriously ill. In 2009, an elderly diabetic woman who had been consuming 1 to 1.5 kg of raw bok choy per
Elizabeth Choy MediaCorp Channel 5 in 2007. Elizabeth Choy Elizabeth Choy Su-Moi (née Yong; 29 November 1910 – 14 September 2006), was a Singaporean educator and councillor who is regarded as a war heroine in Singapore. Along with her husband, Choy Khun Heng, she supplied medicine, money and messages to prisoners-of-war interned in Changi Prison when the Japanese occupied Singapore during World War II. Choy was born in a Hakka family in Kudat, North Borneo(now Sabah). Her great-grandparents first came to Kudat from Hong Kong to assist German missionaries in their work. The eldest of 11 children, Choy's father worked as a