Kebaikan Kopi Dari Segi Kesihatan

Terdapat banyak kajian yang menunjukkan pengambilan kopi yang kerap adalah selamat malah mempunyai kesan yang baik terhadap kesihatan. Pengambila kopi sehingga 5 cawan sehari bukan sahaja dapat memperbaiki kesihatan mental dan tubuh badan, malah dapat meningkatkan jangka hayat hidup! [1].

Kebaikan Kopi Dari Segi Kesihatan

Selain itu, banyak lagi kajian kajian yang telah dijalankan berkenaan pengambilan minuman kopi ini yang menunjukkan impak yang positif terhadap kesihatan dan tubuh badan. Antaranya termasuklah : 

Panjang umur

2 kajian [2, 3] yang diterbitkan pada 10 julai 2017 dalam  “Annals of Internal Medicine” melaporkan pengambilan kopi dapat dikaitkan dengan penurunan risiko kematian daripada pelbagai faktor. Walaubagaimanapun, kajian ini dijalankan untuk pelbagai etnik dan bangsa hanya di kawasan eropah.

Penyakit jantung

Walaupun agak pelik kerana bahan aktif kopi iaitu caffeine dikenali sebagai bahan yang boleh meningkatkan tekanan darah, namun penemuan menunjukkan ianya dapat mengurangkan risiko beberapa jenis penyakit jantung seperti penyakit koronari[6], kegagalan jantung[7], dan fibrilasi atrium[8].

Angin ahmar (strok)

Sebuah kajian meta analisis [15] menunjukkan pengambilan satu sehingga 6 cawan kopi sehari dapat mengurangkan risiko penyakit angina ahmar sebanyak 17% dan sebuah lagi kajian yang dijalankan dalam kalangan wanita di sweeden menunjukkan pengurangan risiko penyakit strok sebanyak 22-25% [16].

Kajian lain yang dilakukan secara meta-analisis [17] menunjukkan pengambilan kopi sebanyak 1 hingga 3 cawan sehari bagi mereka yang tidak mempunyai penyakit cerebrovascular dapat mengurangkan kebarangkalian mereka dihinggapi penyakit angin ahmar.

Sebuah kajian yang dilakukan di jepun mendapati pengambilan minuman kopi selama 13 tahun dapat mengurangkan risiko penyakit strok sehingga 20%.[18]

Kencing manis (Diabetes)

Minuman kopi sebenarnya memainkan peranan yang penting dalam mengawal kepekatan gula dalam darah, dan peningkatan lemak dalam badan yang tidak terkawal. Beberapa kajian telah Berjaya menunjukkan kaitan antara minuman kopi dan peningkatan metabolsme glukosa, penghasilan insulin, dan mengurangkan risiko mengidap penyakit kencing manis secara signifikan.[19-23]

Pakar kesihatan berpendapat kaitan antara kopi dan diabetes ini mungkin disebabkan oleh kesan anti-inflamatorinya dan kesan anti-oksida asid chlorogenic yang mengurangkan penyerapan glokosa.[24]

Kanser

Terdapat kajian yang mengaitkan antara pengambilan minuman kopi dan pengurangan risiko beberapa jenis kanser termasuklah kanser endometrial, (dengan pengambilan sebanyak 4 cawan sehari)[25], kanser prostate (6 cawan kopi sehari) [26], kanser “head and neck” (4 cawan kopi sehari) [27,28] dan kanser payudara (lebih daripada 5 cawan kopi sehari) [29,30] dan beberapa jenis kanser yang lain [32]

Manfaat kopi ini mungkin disebabkan kebaikan kopi sebagai anti-oksida dan ciri-ciri kopi itu sendiri yang merupakan anti-mutagenik (anti-kanser).  [33,34]. Dan yang terbaru, sebuah kajian Berjaya menunjukkan penurukan insiden “colorectal” yang signifikan bagi mereka yang mengambil minuman kopi lebih daripada 2.5 cawan sehari. [35]

Penguat ingatan

Selain bermanfaat sebagai bahan yang menstimulasi kecerdasan otak secara cepat, kopi dilihat mampu memberikan kesan jangka panjang yang baik terhadap otak. Sebuah kajian [33] menunjukkan pesakit yang sederhana nyanyuk yang meminum 3 hingga 5 cawan kopi sehari dapat menghalang daripada penyakit tersebut daripada menjadi lebih teruk. Kajian lain juga telah menunjukkan kaitan antara caffeine dalam menguatkan ingatan[34].

Kemurungan

Kajian telah menunjukkan pengambilan minuman kopi boleh meningkatkan kesihatan mental dan menghalang dari berlaku kemurungan.[37,38]

Dan satu kajian yang dijalankan kepada wanita yang meminum 2 hingg 3 cawan kopi sehari mempunyai penurunan risiko menghadapi kemurungan sehingg 15% berbanding mereka yang meminum kopi kurang daripada 1 cawan kopi seminggu. Malah, mereka yang mengambil lebih daripada 4 cawan kopi sehari berlaku penurunan risiko kemurungan sebanyak 20%!

Kesan jangka masa pendek terhadap mood ini datang daripada perubahan aktiviti serotonin dan dopamine dalam badan, manakala kesan jangka masa panjang kemungkinan disebabkan oleh kesan anti-oksida dan anti-inflamatori yang terdapat dalam kopi.[39-42]

Lain –lain kajian

Selain itu, terdapat juga kajian lain yang telah Berjaya membuktikan kebaikan kopi antaranya :

Mengurangkan “dry-eye syndrome”[50]
Mengurangkan risiko gout [51]
Membantu melawan jankitan kuman sehingga dikatakan mampu melindungi badan daripada kuman methicillin-resistant Staphylococcus aureus(MRSA)[52]

Keburukan kopi 

Setiap benda ada keburukannya, terutamanya kalau diambil berlebihan. Air kosong pun kalau minum banyak sangat boleh memudharatkan. Bagi keburukan kopi pula, selain meningkatkan tekanan darah tinggi, kopi juga turut menyumbang dan memburukkan lagi keresahan, geletar, dan berpotensi untuk meningkatkan risiko glaucoma [53]

Kurangkan gula

Harus diingatkan agar jika hendak mengambil minuman kopi, awasi kandungan gula yang terdapat didalamnya. Dan sudah semestinya kopi pra campuran 3in1 yang tinggi kandungan gulanya adalah lebih membawa mudharat berbanding kebaikan.



Dipetik dan diolah dari :
Stetka BS (2017 Sept 15). How Healthy Is Coffee? The Latest Evidence. Medscape. Dari http://www.medscape.com/slideshow/coffee-6004434

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