and Malay apple

172 Pages·2001·4.26 MB·English

Evaluation and value addition of watery rose
apple (Syzygium aqueum (Burm) Alston) and
Malay apple (Syzygium malaccense (L.) Mernil
and Perry)

By
ANU MARY MARKOSE
(2005-12-108)

DEPARTMENT OF PROCESSING TECHNOLOGY
COLLEGE OF HORTICULTURE

VELLANIKKARA, THRISSUR-680 656
KERALA, INDIA
2008
Evaluation and value addition of watery rose
apple (Syzygium aqueum (Burm) Alston) and
Malay apple (Syzygium malaccense (L.) Mernil
and Perry)

By
ANU MARY MARKOSE
(2005-12-108)

THESIS

Submitted in partial fulfilment of the
requirement for the degree of

Master of Science in Horticulture
(PROCESSING TECHNOLOGY)

Faculty of Agriculture
Kerala Agricultural University, Thrissur

DEPARTMENT OF PROCESSING TECHNOLOGY
COLLEGE OF HORTICULTURE

VELLANIKKARA, THRISSUR-680 656
KERALA, INDIA
2008
DECLARATION

I hereby declare that the thesis entitled “Evaluation and value addition of
watery rose apple (Syzygium aqueum (Burm) Alston) and Malay apple (Syzygium
malaccense (L.) Mernil and Perry)” is a bonafide record of research work done by
me during the course of research and the thesis has not previously formed the basis for
the award to me of any degree, diploma, associateship, fellowship or other similar
title, of any other university or society.

Vellanikkara, Anu Mary Markose
25-07-2008 (2005-12-108)
CERTIFICATE

Certified that the thesis entitled “Evaluation and value addition of watery
rose apple (Syzygium aqueum (Burm) Alston) and Malay apple (Syzygium
malaccense (L.) Mernil and Perry)” is a record of research work done
independently by Mrs. Anu Mary Markose (2005-12-108) under my guidance and
supervision and that it has not previously formed the basis for the award of any
degree, diploma, associateship or fellowship to her.

Vellanikkara Dr. P. B.Pushpalatha
25-07-2008 (Major Advisor, Advisory Committee)
Associate Professor
Department of Processing Technology
College of Horticulture
Vellanikkara
CERTIFICATE

We, the undersigned members of the advisory committee of Mrs. Anu Mary
Markose (2005-12-108), a candidate for the degree of Master of Science in
Horticulture, with major field in Processing Technology, agree that the thesis entitled
“Evaluation and value addition of watery rose apple (Syzygium aqueum (Burm)
Alston) and Malay apple (Syzygium malaccense (L.) Mernil and Perry)” may be
submitted by Mrs. Anu Mary Markose in partial fulfilment of the requirement for
the degree.

Dr. P. B. Pushpalatha
(Major advisor)
Associate Professor
Department of Processing Technology
College of Horticulture
Vellanikkara

Dr. P. Jacob John Dr. K. B. Sheela
(Member, Advisory committee) (Member, Advisory committee)
Professor and Head Professor
Department of Processing Technology Department of Processing Technology
College of Horticulture College of Horticulture
Vellanikkara. Vellanikkara.

Dr. Sarah.T. George Dr. K. Thangavel
(Member, Advisory committee) (External Examiner)
Professor Professor
Department of Pomology and Floriculture Department of Food & Agricultural
College of Horticulture Processing Engineering
Vellanikkara. Agricultural Engineering College &
Research Institute
Tamil Nadu Agricultural University
Coimbatore- 641 003
Acknowledgement

Words cannot express my deep sense of gratitude and indebtedness to Dr.
P.B..Pushpalatha, Associate Professor, Department of Processing Technology and
chairperson of my Advisory Committee. I wish to place my heartfelt thanks to her
for her inspiring guidance, untiring help, patience, encouragement, constructive
criticism and valuable suggestions during the period of the investigation and
preparation of the thesis. My sincere and heartfelt gratitude ever remains with her.
I express my sincere gratitude to Dr. P. Jacob John, Professor and Head,
Department of Processing Technology and member of my advisory committee for his
valuable suggestions and guidance rendered me for the completion of the research
programme and preparation of the thesis.
I am ever grateful to Dr. K. B. Sheela, Professor, Department of Processing
Technology and member of my advisory committee for her invaluable help, guidance
and critical assessment throughout the period of the work. I thank her for all the
help and cooperation she has extended to me.
I am deeply obliged to Dr. Sarah T. George, Professor, Department of
Pomology and Floriculture and member of my advisory committee for her unfailing
support and enthusiasm, relevant suggestions and whole hearted cooperation
throughout the period of investigation.
I am extremely delightful to place on record my profound sense of gratitude
to Dr. Beena. S., Professor, Department of Plant Pathology and Shri.S. Krishnan
Assistant Professor, Department of Agricultural Statitics for their suggestions and
guidance during the conduct of this research work.
I wish to express my sincere thanks to Krishnan chettan, Mini, Riti, Gigi,
Saumya, Radha chechy and Omana chechy of Department of Processing Technology
for their whole hearted cooperation and timely assistance.
Special thanks go to Mr. Santhosh, Students Computer Club, COH, for
rendering necessary help whenever needed.
The award of KAU junior research fellowship is greatly acknowledged.
Words fall short as I place on record my indebtedness to my class mates and
friends, Alok, Deviprasad, Kimi, Jassena, Jayasree, Sreevidya, Remya, Roby, Kimi,
Manoj and Bijila for their prompt help and cooperation for the entire period of
study. I also avail this opportunity to pay my sincere and heartfelt thanks to
Unnikrishnan for his timely assistance in statistical analysis.
With gratitude and affection, I recall the boundless affection, constant
encouragement, warm blessings and motivatuion from pappa, mamma, appa, amma,
my husband Reji, and my daughters Neha and Rhea without which this endeavour
would never have become a reality.
Above all, I bow my head before the Great Truth, the Almighty, for
enlightening and making me confident and optimistic throughout my life.

Anu Mary Markose

DDeeddiiccaatteedd ttoo mmyy
bbeelloovveedd ffaammiillyy

TABLE OF CONTENTS

Chapter Title Page No.s
1. INTRODUCTION 1-2
2. REVIEW OF LITERATURE 3-28
3. MATERIALS AND METHODS 29-40
4. RESULTS 41-77
5. DISCUSSION 78-100
6. SUMMARY 101-102
REFERENCES i-xviii
APPENDICES
ABSTRACT
LIST OF TABLES

Table Page
Title
No. No.s
1. Accessions collected under watery rose apple and Malay apple 42
2. Colour characteristics of different accessions 43
3. Classification of accessions based on size 45
4. Physico chemical attributes of different accessions of fruits 46
Group means of important attributes of watery rose apple and
4a. 48
Malay apple types with respect to size of fruits
5. Product suitability of different accessions 53
Percentage recovery of pulp and juice by hot water and steam
6. 54
blanching
Comparison of whole and sliced fruits with respect to recovery of
7. 57
pulp
Comparison of whole and sliced fruits with respect to recovery of
8. 57
juice
9. Percentage recovery of pulp and juice by osmoextraction 57
Comparison of recovery of pulp and juice in osmoextraction
10. 57
versus best treatments in blanching
Mean rank scores for sensory attributes of blanched and fresh fruit
11. 59-60
pulp