In India, cluster bean(Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance. Which of the following statements is correct in this co

• A. The oil extracted from seeds is used in the manufacture
• B. The gum made from its seeds is used in the extraction of shale gas
• C. The leaf extract of this plant has the properties of antihistamines
• D. It is a source of high quality biodisel