Bảo quản trái cây bằng chế phẩm tạo màng

Viec bao quan rau qua tUPi hien nay van la<br /> mdt bai toan khd ddi vdi nha vUdn va ngUdi kinh<br /> doanh. ViTa qua, Vien Cd dien ndng nghiep va<br /> cdng nghe sau thu hoach (CDNN&CNSTH) da<br /> nghien ciiru thanh cdng che pham tao mang<br /> Cefores bao quan rau, qua tUPi keo dai thdi gian<br /> hPn dang 6iidc nhieu ngUdi quan tam.<br /> <br /> <br /> <br /> DUa ra hai thung xoai, mdt<br /> thung trai xoai vQa chin tdi va<br /> mdt thung trai da chin qua ed<br /> dau hieu bj hQ, anh Nguyen The<br /> Bao, chu nhiem HTX Sudi Ldn<br /> (xa Xuan HQng, huen Xuan Ldc)<br /> gidi thieu: "Xodi cung thu hoach<br /> nhu nhau, nhUng mot bai dUdc<br /> xdlybdng chdt bdo qudn vd mot<br /> loai de binh thudng. Qua theo<br /> doi, xodi dUdc xd ly chin chdm<br /> hdn hdn so vdi xodi khong xd ly<br /> khodng 8 ngdy. Trdi xodi cd sd<br /> BAO QUAN TRAI CAY<br /> dung chdt bdo qudn Cefores vd<br /> bdng vd min hdn xodi de tU<br /> nhien". Viec keo dai them thdi<br /> gian 8 ngay ddi vdi xoai sau khi<br /> bing Che pham tao many<br /> gian chin cua xoai kha nhanh, tQ xoai ludn bj lam gia vao thdi<br /> thu hoach day qua la mdt tin khi xoai bat dau chin de'n luc diem xoai thu hoach rd.<br /> hieu vui ddi vdi ngQdi trdng<br /> khdng sQ dung dQdc chi trong Tien sT Nguyen Duy Lam,<br /> xoai. Neu khdng can thiep bang<br /> 5 ngay. Day chinh la diem yeu Giam ddc Trung tam nghien<br /> cac bien phap bao quan thi thdi<br /> ma hang nam chu cac vUdn cQu va kiem tra chat iQdng<br /> ndng san thQc pham (thudc<br /> Vien CDNN&CNSTH), chii<br /> nhiem de tai nghien cQu che<br /> pham nay cbo biet, day la de tai<br /> nghien cQu cap nha nUdc dUde<br /> thQc hien tQ nam 2008, den nay<br /> che pham Cefores da ap dung<br /> thanh cdng cho 7 loai san pham<br /> la xoai, chudi, budi, cam, dUa<br /> hau, dUa chugt va ea rdt. CJ<br /> nhiet dp binh thudng, che<br /> pham keo dai them thdi gian<br /> khoang 8 ngay ddi vdi xoai;<br /> cam, quyt40 50 ngay; chudi 15<br /> ngay va gan 100 ngay vdi budi.<br /> Cefores dQdc san xuat dQdi<br /> dang dung djch lay tQ cac<br /> nguyen lieu thien nhien nhQ<br /> Tien sT Nguyen Duy Lam dang so sdnh mau xodi bdo qudn. sap ong, axit beo, sap carnauba<br /> <br /> <br /> THONG TIN KHOA HOC VA CONG NGHE<br />  *»<br /> w... nen dam bao an toan ve<br /> sinh thQc pham dat ca tieu<br /> chuan xuat khau sang cae thj<br /> Xaydimg Chudi gia tri ile<br /> trQdng khd tinh nhQ chau Au.<br /> SQ dung che pham bao quan<br /> tao mang kha ddn gian, chi can<br /> nang cao gia tri san pham<br /> phun hoac xoa mdt Idp mdng<br /> che pham phu len trai cay la<br /> xoai vDoiig Nai<br /> dUdc, hoac pha che pham ty le<br /> 1 lit nude sach vdi 3 lit Cefores Xoai la mdt trong nhu'ng cay trdng chu<br /> sau dd nhung trai cay vao. Ly lUc ciia Ddng Nai va hien toan tinh ed hPn<br /> giai ve viee keo dai thdi gian 8.000 ha vdi san lupng tren 70.000 tan/nam.<br /> cho trai cay tien sT Lam ndi: "Khi Tuy nhien eay xoai d Ddng Nai van chUa cd<br /> phd len trdi cdy Idp dung dich mdt ten tudi, thUPng hieu nao dang ke tren<br /> Cefores, luc kho di no tao thdnh thUPng trudng.<br /> mot Idp mdng bao lay trdi cdy.<br /> Ldp mdng ndy khdng Idm mdt<br /> qud trinh ho hdp cua trdi cdy Theo Trung tam Khuyen ndng eiia tinh, Ddng Nai cd Idi<br /> nhu bao bdng loai mdng nhUa the trong viec phat trien xoai do ngQdi trdng da cd kinh<br /> md chi Idm chdm qud trinh ndy, nghiem canh tac qua nhieu nam, dieu kien da't dai va khi<br /> gidm sU mdt nUdc tu nhien vd hau thich hdp cho viec canh tac cay xoai va dvidc chinh<br /> chdm qud trinh gid hda cua trdi quyen dja phUdng ung hd. Ddng Nai cung la mdt trong<br /> cdy. Khi trdi cdy chin ldp mdng nhQng tinh cd dien tich trdng xoai Idn nha't ca nQdc. Hien<br /> cdn Id chiec "do" bdo ve sU tdn nay nhu cau nhap khau xoai ciia the gidi dang cd xu hQdng<br /> cong cua cdc loai vi khudn gay gia tang vdi tdc do binh quan 6,3%/nam, trong dd My la thj<br /> len hiin tUdng thdi vb, vdi cd trQdng Idn nha't, rdi de'n EC, Trung Qudc va Hdng Kong.<br /> che boat dong nhU vdy thdi gian Trong khi dd thi trQdng xua't khau chu ye'u ciia xoai Ddng<br /> lUu trd trdi cdy dUdc keo ddi Nai la Trung Qud'c.<br /> hdn". Thdi gian qua, Ddng Nai da cd nhieu no iQc trong viec<br /> Viec keo dai thdi gian eho chuyen ddi cay trdng, khuyen khich cae loai cay an trai theo<br /> trai eay sau thu hoach bang hQdng tap trung va cay xoai dQdc djnh hQdng la cay an trai<br /> chat bao quan Cefores ngoai chu iQc cua tinh. dDdng Nai, nhieu doanh nghiep, hdp tac<br /> niem vui eho cac chu vUdn, thi xa va hd gia dinh da manh dan dau tQ ngudn vdn, khoa hgc<br /> day cung la cd hdi eho eae ky thuat vao san xua't, ap dung quy trinh san xua't theo cae<br /> doanh nghiep xuat khau rau tieu chuan GAP quan ly djch hai tdng hdp. Dien hinh nhQ >»<br /> qua vi cd them thdi gian van<br /> chuyen. XQ ly bang chat bao<br /> quan Cefores, trong qua trinh<br /> chin trai cay khdng bj mat nQdc<br /> nen vd khdng bi nhan giQ dQdc<br /> miu ma kha dep, day cung la<br /> mdt Idi the cho viee tieu thu san<br /> pham. Moi lit che pham nay cd<br /> gia tQ 130 -150 ngan ddng (tuy<br /> che pham eho tQng loai cu,<br /> qua) cd the xQ ly cho gan 1 tan<br /> trai cay Theo danh gia cua eac<br /> chu vQdn vdi chi phi nay khdng<br /> phai la dat.<br /> Van Nam<br /> <br /> <br /> SO 03/2010 (109) - THANG 6 NAM 2010 37<br />