PENURUNAN TOTAL TANIN DAN β-KAROTEN BUAH APEL (Malus domestica) VARIETAS ROME BEAUTY SELAMA PENYIMPANAN PADA SUHU 5oC DAN SUHU RUANG

• Main Authors: , KARIMA ZAHROYANA, , Dr. Ir. Supriyadi, M.Sc
• Format: Theses and Dissertations NonPeerReviewed
• Published: [Yogyakarta] : Universitas Gadjah Mada 2014
• Subjects: ETD
• Online Access: https://repository.ugm.ac.id/129867/; http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=70271
• Institution: Universitas Gadjah Mada

This study was a reduction in total tannin and β - carotene during storage at low temperatures ( 5 ° C ) and room temperature apple ( Malus domestica ) varieties Rome Beauty is a fruit that is more and more consumed by the people of Indonesia . This study aims to 1) Determine the total change in tannin and β - carotene is an antioxidant compound during storage at room temperature and 5 ° C . 2 ) Knowing the changes in physical properties ( shrinkage weight , texture , color ) , physiological properties ( respiration rate ) and chemical properties ( water content , total acid , total sugar , sugar acid ratio ) during storage at room temperature and 5 ° C . This study shows that there is a decrease in total tannin and β - carotene is an antioxidant compound in Rome Beauty apples during storage either at room temperature or at a temperature of 5 ° C . However , the decline in total tannin and β - carotene was more pronounced at room temperature than at 5 ° C temperature . decline in physical properties on Rome Beauty apples are heavy shrinkage , color and texture during storage at room temperature and 5 ° C temperature