In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
You may have heard that tomatoes and processed tomato products like tomato sauce and canned tomatoes (1)_______ against some types of cancer. The cancer-preventing properties of tomato products have been attributed to lycopene. It is a bright red pigment found in tomatoes and other red fruits and is the cause of their red colour. Unlike other fruits and vegetables, (2)_______ nutritional content such as vitamin C is diminished upon cooking, processing of tomatoes increases the concentration of lycopene. Lycopene in tomato paste is four times more than in fresh tomatoes. This is because lycopene is insoluble in water and is tightly bound to vegetable fibre. (3)_______, processed tomato products such as pasteurised tomato juice, sauce, and ketchup contain the highest concentrations of lycopene. Cooking and crushing tomatoes as in the canning process and (4)_______ in oil-rich dishes such as spaghetti sauce or pizza greatly increase assimilation from the digestive tract into the bloodstream. Lycopene is a fat-soluble substance, so the oil is said to help (5)_______ to a great extent.