Volume 16 No. 6 (supplement) November – December, 2011

ROMANIAN BIOTECHNOLOGICAL LETTERS

– an international journal –

CONTENTS

1.	Introduction
2.	IRIS SARCHIZIAN, MARINELA CÎRNU, IOAN I. ARDELEANIsolation of a heterocyts – forming Cyanobacterium and quantification of its biotechnological potential with respect to redox properties  at single cell level	……………	3
3.	CARMEN MADALINA CISMASIUThe adaptation of gram-negative bacteria to acidic environmental conditions with implication in heavy metals removal processes	……………	8
4.	ROMICĂ CREŢU, ŞTEFAN DIMA, GABRIELA BAHRIMAntioxidant activity evaluation of the fungal dye oil-in-water emulsions obtained by cyclic voltammetric technique	……………	19
5.	SILVANA    DĂNĂILĂ-GUIDEA, PETRU NICULIŢĂ, ESOFINA RISTICI, MONA POPA, MARIAN RISTICI, FLOAREA BURNICHI, MIHAELA DRAGHICI, MIHAELA GEICUThe  influence  of  modulated  red  laser light on seedlings of some annual ornamental species (Dianthus caryophyllus and Petunia hybrida)	……………	34
6.	ALINE CARDOSO, LIDIANE LEMOS, MONICA FRIGHETTO, ESTELA NUNESTotal phenolics extracted from the skin of fuji apple and incorporated by liposome in galenic bases: an alternative to use by-products of food industry	……………	40
7.	GEORGIANA PARFENE, VICENTIU BOGDAN HORINCAR, GABRIELA BAHRIM, LUCIA VANNINI, DAVIDE GOTTARDI, MARIA ELISABETTA GUERZONILipolytic activity of lipases from different strains of Yarrowia lipolytica in hydrolysed	……………	46
8.	MARIYA PETROVA, ELY ZAYOVA AND ANTONINA VITKOVAEffect of silver nitrate on in vitro root formation of Gentiana lutea	……………	53
9.	MARIA RÂPĂ, MONA ELENA POPA, PATRIZIA CINELLI, ANDREA LAZZERI, RICA BURNICHI, AMALIA MITELUT, ELENA GROSUBiodegradable alternative to plastics for agriculture application	……………	59
10.	ROSSEN GORGOROV, MARINA STANILOVA, ANTONINA VITKOVAIn vitro cultivation of some endemic and rare Alchemilla species in Bulgaria	……………	65
11.	VICENTIU-BOGDAN HORINCAR1, GEORGIANA PARFENE1, GABRIELA BAHRIM1Evaluation of bioactive compounds in extracts obtained from three romanian marine algae species	……………	71
12.	KRASIMIRA TASHEVA AND GEORGINA KOSTURKOVARhodiola rosea L. in vitro plants morphophysiological and cytological characteristics	……………	79
13.	SIMONE TIBOLLO, ROBERTA ZONI, ELISA MARIANI and  GIULIANO EZIO SANSEBASTIANOStudy on the Application of a New Method for the Viral Detection of Caliciviruses in Foodstuffs	……………	86
14.	ILZE BEITANE, INGA CIPROVICAThe study of added prebiotics on b group vitamins concentration during milk fermentation	……………	92
15.	CARMEN  BEJAN, EMILIA VISOIUResveratrol biosynthesis on in vitro culture conditions in grapevine (cv. Feteasca Neagra and Cabernet Sauvignon) under the action of AlCl3 as elicitor agent	……………	97
16.	LAURA-DORINA DINU, LAURA ANGHEL, STEFANA JURCOANEIsolation of heavy metal resistant bacterial strains from the battery manufactured polluted environment	……………	102
17.	FLORIN IMBREA, STEFANA JURCOANE, BRANKO MARINKOVIC, VALERIU TABĂRĂ, PAUL PÎRŞAN, GHEORGHE DAVID, LUCIAN BOTOŞRole of bio-physics in maize cultivation technology	……………	107
18.	AMALIA MITELUŢ, ALINA CULEŢU, MONA POPA, PETRU NICULIŢĂStudy on optimization of solid-phase microextraction and gas chromatography-mass spectrometry analysis for the volatile fraction of pastures	……………	113
19.	ALINA ALEXANDRA DOBRE, VALERIA GAGIU, NICULITA PETRUAntimicrobial activity of essential oils against food-borne bacteria evaluated by two preliminary methods	……………	119
20.	SIMONA ROTARU, FLORENTINA ISRAEL-ROMING, GHEORGHE CAMPEANU, GEORGIANA DECIUCorrelation of ochratoxin A level in wine with vine environment	……………	126
21.	ANA ROȘU, SILVANA DANAILA-GUIDEA, RICUȚA DOBRINOIU, FLORIN TOMA, DOINA TEODORA ROȘU, NINA SAVA, CONSTANTIN MANOLACHEAsclepias syriaca L. – an underexploited industrial crop for energy and chemical feedstock	……………	131
22.	IRINA SMEU, MONA ELENA POPAEffect of minimally processing operations on the shelf-life and quality characteristics of romanian lettuce		139
23.	MATEI FLORENTINA, ADRIAN GAGEANUKiller profile of wine yeast strains isolated in Dealurile Bujorului vineyard		144
24.	SILVIA SIMONA GROSU-TUDOR, MEDANA ZAMFIRIsolation and characterization of lactic acid bacteria from romanian fermented vegetables		148
25.	INGA CIPROVICA, ALLA MIKELSONEThe influence of ripening temperature on diversity of non-starter lactic acid bacteria in semi-hard cheeses		155

Cover: The Bucharest University Building