Abstract：
:Leaves from four different Ginkgo biloba L. trees (1 and 2--females; 3 and 4--males), grown at the same conditions, were collected during a period of 5 months (from June to October, 2007). Water and 12% ethanol extracts were analyzed for total phenolics content, antioxidant activity, phenolic profile, and the potential in vitro inhibitory effects on alpha-amylase, alpha-glucosidase, and Angiotensin I-Converting Enzyme (ACE) enzymes related to the management of diabetes and hypertension. The results indicated a significant difference among the trees in all functional benefits evaluated in the leaf extracts and also found important seasonal variation related to the same functional parameters. In general, the aqueous extracts had higher total phenolic content than the ethanolic extracts. Also, no correlation was found between total phenolics and antioxidant activity. In relation to the ACE inhibition, only ethanolic extracts had inhibitory activity.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Pinto Mda S,Kwon YI,Apostolidis E,Lajolo FM,Genovese MI,Shetty Kdoi
10.1016/j.biortech.2009.07.021subject
Has Abstractpub_date
2009-12-01 00:00:00pages
6599-609issue
24eissn
0960-8524issn
1873-2976pii
S0960-8524(09)00890-6journal_volume
100pub_type
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