grape stems after eaten bunch of grapes. the remaining stems in a dark background

2021 activity amouns antioxidant antioxidants background branches bunch bunchstem cancer certain cluster composition compost contains dark eaten empty extracts grape grapes green has have high india kalyan lateral leftovers lokgram maharashtra mar may missing natural nonedible nutrient part pedicel peduncle polyphenolic polyphenols pomace protect provides racemes rachis remaining remnants rich seed shot source stalk stem stemmy stems studio types used waste