Just a warning, starfruit can be lethal to patients on dialysis or with kidney disease (which is common with diabetics). Its fine for people with healthy kidneys, but should be eaten in moderation, not daily.
http://www.scielo.br/scielo.php?pid=S0101-28002015000200241&script=sci_arttext&tlng=en
https://www.kidney.org/atoz/content/why-you-should-avoid-eating-starfruit
RE: Benefits of Starfruit Acid for Health and Herbs "Bilingual"