1, pineapple nectar contains a protease enzyme called bromelain, which can rapidly decompose fibrous protein, in addition there is an ammonia-containing organic matter containing a bitter taste, and the production of the above chemical reaction will make the pineapple nectar itself bitter, so some pineapple nectar is likely to be bitter.

2, if the bitter flavor is too strong, it is likely that the fruit is not yet ripe to pick down or has been rotten, can not continue to eat.

Expanded Information:

Pineapple Nectar (Latin: Pineapple Nectar) is the most popular fruit in the world. p>Pineapple nectar (Latin name: Artocarpus heterophyllus Lam.), is an evergreen tree of the mulberry family, genus Boraginaceae. The tree is 10-20m high, with black-brown bark; leathery elliptic leaves, spirally arranged; flowers are monoecious, and the epidermis of the fruit is yellowish-brown when it is ripe, and there are tumor-like convex bodies and coarse hairs on the surface.

Pineapple nectar is a tropical fruit and the heaviest fruit in the world, generally weighing 5-20 kilograms, the heaviest more than 59 kilograms.

The pulp is eaten fresh or processed into canned food, dried fruit and juice. The seeds are rich in starch and can be cooked; the sap and leaves are used medicinally to reduce swelling and detoxification; the fruit pulp has the effect of quenching thirst, lactation, and tonifying the middle and benefiting the vital energy; pineapple honey trees are neatly shaped, with a large crown and dense shade, and the fruit is peculiar, which is a beautiful shade tree and avenue tree; hundreds of years of pineapple honey trees, the wood is golden and hard, and it can be used to make furniture and as a yellow dye.

References:

Baidu Wikipedia_Pineapple Honey Tree p>Baidu Encyclopedia_Pineapple Honey