Choy sum Choy sum Choy sum (also spelled choi sum or "Cai Xin" in modern Pinyin) is a leafy vegetable commonly used in Chinese cuisine. It is a member of the genus "Brassica" of the mustard family, Brassicaceae ("Brassica rapa" var. "parachinensis" or "Brassica chinensis" var. "parachinensis"). Choy sum is a transliteration of the Cantonese name (), which can be literally translated as "heart of the vegetable". It is also known as Chinese Flowering Cabbage. Choy sum is a green leafy vegetable similar to gai lan, and can be characterized by the distinct yellow flowers which it bears. Each flower has four
Elizabeth Choy 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 civil servant after completing his