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VARIETY PROCESSING-Pineapple health food
Bromelain
The pineapple juice
Bromelain：
Bromelain is a mixture of proteolytic enzymes and non-enzymes taken from the heart, fruit and leaves of the Bromeliaceae plant. The bromelain we come into contact with daily comes from pineapple. In 1875, humans finally understood pineapple enzymes chemically, but before that, pineapples had long been used in folk remedies by residents of Central and South America. Most enzyme products were made from pineapple hearts. But why use pineapple hearts as enzymes? Because we usually don’t eat pineapple hearts, they are always thrown away as waste. However, in 1957, scientists discovered that pineapple hearts are rich in bromelain enzymes (Ref. 2). Pineapple hearts have a new destiny and can be eaten. Let’s make enzymes! The pineapple heart undergoes processes such as freezing, juicing, centrifugation, ultrafiltration and freeze-drying, and finally produces a light yellow powder, which is the extracted pineapple enzyme. It is usually sold in the form of powder packets, tablets or capsules.
The pineapple enzymes in pineapple heart and pulp are different
The pineapple enzymes in pineapple heart and pulp are different
Normally, the bromelain enzymes in pineapple heart and pineapple pulp are different. Their names should be bromelain heart enzyme (stem bromelain) and pineapple pulp enzyme (fruit bromelain). The enzyme commission number (Enzyme Commission number) is used to help number and classify enzymes. From the number, you can know the function of a certain enzyme. For example: the first code of bromelain enzyme is "3", which means it is a hydrolytic enzyme. Most of the raw materials for pineapple enzyme products are produced from pineapple heart, so there is no need to specify whether it is pineapple heart enzyme or pineapple pulp enzyme. But if you want to make your own pineapple enzyme, you should pay attention to it. First of all, the pineapple enzyme in the pulp and heart are different things.
Most of the research on pineapple enzyme is carried out using pineapple heart enzyme. So is there actually any difference in activity between these two enzymes? Some studies have compared the differences in enzyme activity between pineapple heart and pineapple pulp. If you squeeze out the juice from 1.7 kilograms of washed and peeled "pineapple hearts", the enzyme activity is 2,100/GDU per gram. 600 grams of washed and peeled "pineapple (fruit)" will produce about 300 Milliliters of juice, enzyme activity per gram is 1,450 GDU/gram.If the juice of pineapple heart and pulp is concentrated and extracted, a product with higher activity can be obtained. In the test, pineapple heart enzyme with an activity as high as 14,875 GDU/gram can be produced, while the pineapple pulp can reach 6,000 GDU/gram. However, Most people probably don’t have these devices at home. Judging from the research data, the pineapple enzyme activity in the juice squeezed from 600 grams of pineapple fruit is not much different from the activity sold in general health foods. Under normal consumption, that is to say, if you eat 100 to 200 grams of pineapple fruit a day, you can absorb considerable pineapple enzyme activity. But it should be noted here that the enzymes in pineapple heart and pineapple pulp are different enzymes, and the research is mostly conducted on the enzymes in pineapple heart. Therefore, in addition to the property of promoting digestion, we are currently unable to determine the enzymes in pineapple pulp. Do they have the same physiological effect?
Fermented bromelain vs. bromelain
If you search for "pineapple enzyme", you should find some videos that teach you how to make pineapple enzyme at home. The method is probably to cut the pineapple and put it in the jar alternately with sugar, and close the lid. This process is called fermentation. Although there will be some enzymes in it after fermentation, the enzymes produced by this method are different. Fermentation is a chemical reaction that uses microorganisms to decompose organic matter. During the process, the microorganisms themselves will produce some of their own enzymes. That is to say, in addition to the original bromeliad enzymes, there are also enzymes produced by microorganisms in the fermented pineapples; bromeliad enzymes are from pineapples. Enzymes that are inherent in the heart. Both fermented pineapple products and pineapple enzymes may be good for health, but don’t treat them as the same thing.
Fermented bromelain vs. bromelain
Effect
Five benefits of pineapple
Five benefits of pineapple：
1. Antioxidants: Pineapples are rich in antioxidants, which can help the body resist oxidative stress caused by large amounts of free radicals. Two animal experiments have shown that pineapples may have a protective effect on the heart.
2. Anti-inflammation: Bromelain enzyme has anti-inflammatory effects and may inhibit the growth of certain tumors and relieve pain in patients with osteoarthritis.
3. Aid digestion: Bromelain enzyme can break down protein and help digest meat; a large amount of dietary fiber can also promote defecation.
4. Conducive to fitness and weight loss: Eating pineapple after exercise can help muscle repair and shorten soreness time. Pineapple enzyme may also have fat-burning effects.
5. Promote tissue healing: Bromelain enzyme can produce substances that can fight pain and reduce swelling, which is beneficial to the healing of the skin after injury or surgery.
References：https://health.gvm.com.tw/article/65385
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