Hoʻolaha ʻia ka hua waina, i hana ʻia mai nā hua waina, i mea hoʻohui meaʻai no nā ʻano like ʻole, me ka lawa ʻole o ka venous (inā pilikia nā veins i ka hoʻouna ʻana i ke koko mai nā wāwae i ka puʻuwai), e hoʻoikaika ana i ka hoʻōla ʻana i ka ʻeha, a me ka hōʻemi ʻana i ka mumū. .

Loaʻa i ka hua waina nā proanthocyanidins, i aʻo ʻia no nā ʻano olakino olakino.

Mai Helene kahiko, ua hoʻohana ʻia nā ʻāpana like ʻole o ka hua waina no ka lāʻau lapaʻau.Aia nā moʻolelo o ko ʻAigupita kahiko a me ka poʻe ʻEulopa i hoʻohana i nā hua waina a me nā hua waina pū kekahi.

I kēia lā, ʻike mākou aia ka hua waina i loko o ka oligomeric proanthocyanidin (OPC) he antioxidant i manaʻo ʻia e hoʻomaikaʻi i kekahi mau kūlana olakino.Kākoʻo kekahi mau hōʻike ʻepekema i ka hoʻohana ʻana i ka hua waina a i ʻole ka hua waina e hōʻemi i ke kahe koko ʻino ma nā wāwae a e hōʻemi i ke kaumaha o ka maka ma muli o ka ʻālohilohi.