Cambridge IELTS 7 Test 4 Part 4
Question 31-33
31. The speaker says the main topic of the lecture is
the history of monosodium glutamate.
the way monosodium glutamate works.
where monosodium glutamate is used.
32. In 1908, scientists in Japan
made monosodium glutamate.
began using kombu.
identified glutamate.
33. What change occurred in the manufacture of glutamate in 1956?
It began to be manufactured on a large scale.
The Japanese began extracting it from natural sources.
It became much more expensive to produce.
Question 34-40
●MSG contains
- glutamate (78.2%)
- sodium (12.2%)
- (9.6%)
●Glutamate is found in foods that contain protein such as and
●MSG is used in foods in many different parte of the world.
●In 1908 Kikunae Ikeda discovered a
●Our ability to detect glutamate makes sense because it is so naturally.
●John Frescott suggests that:
- sweetness tells us that a food contains carbohydrates.
- tells us that a food contains toxins.
- sourness tells us that a food is spoiled.
- saltiness tells us that a food contains