Aktivitas Antioksidan dan Evaluasi Sensoris Teh Herbal Bunga Gumitir (Tagetes erecta L.)
DOI:
https://doi.org/10.24843/JITPA.2020.v05.i02.p01Keywords:
bunga gumitir, teh herbal, aktivitas antioksidan, evaluasi sensorisAbstract
Bunga gumitir memiliki manfaat yang baik bagi kesehatan karena mengandung komponen bioaktif berupa flavonoid, fenol, dan karotenoid berupa lutein sehingga sangat berpotensi digunakan sebagai teh herbal. Penelitian ini bertujuan untuk mendapatkan teknik pengeringan teh herbal bunga gumitir yang tepat sehingga menghasilkan karakteristik teh herbal bunga gumitir dengan komponen bioaktif dan antioksidan yang tinggi serta sensoris yang baik. Pengeringan dilakukan dengan 5 teknik yang berbeda yaitu pengeringan matahari, pengeringan oven, pengeringan dingin, pengeringan udara, dan pengeringan sangrai. Parameter yang diamati meliputi kadar air, total fenol, total flavonoid, aktivitas antioksidan (IC50) serta pengujian sensoris air seduhan teh herbal bunga gumitir (warna, aroma, rasa, dan penerimaan keseluruhan). Hasil penelitian menunjukkan bahwa pengeringan dingin mampu menghasilkan teh herbal dengan karakteristik terbaik yaitu kadar air sebesar 6,86%, total fenol sebesar 83,88 mg GAE/g ekstrak, total flavonoid sebesar 373,06 mg QE/g ekstrak, nilai IC50 sebesar 257,65 mg/L, karakteristik sensoris paling disukai dengan rasa agak khas bunga gumitir, rasa tidak asam, dan berwarna merah kekuningan.
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