Vegetables contain a variety of pigments that play important roles in plant metabolism and attracting humans. The major plant pigments include carotenoids, anthocyanins, flavonoids, betalains, and chlorophyll. These pigments provide color to vegetables and also contain antioxidants and nutrients beneficial to human health. Common pigments found in vegetables include flavones, chlorophyll, carotene, betalains, and anthoxanthin, which give color to foods like spices, green plants, carrots, beets, and flower petals.
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Classification of Vegetable Crops
There are many numbers of Vegetables. Different parts are used for consumption. They are botanically different and their climatic and cultural requirements are different.
There are four Main Methods of Classification Based on:
1. Education Botanical relation
2. Based on Hardiness (Tolerance to low temp)
3. Parts Used for consumption
4. Methods of Culture
1. Botanical Classification:
This method of classification is based on botanical relationships of crops in responding cytology, morphology, taxonomy and cross ability. This is useful to breaf for crop improvement and seed producer for deciding isolation distance. The cuntroal requirements may vary ex. Solanaceous family includes potato, chili and brampal, There are same cultural requirements. At the same time cucurbitaceous have similar cultural requirements and common pests and diseases. Botanical name avoids infusion in name as common names are different but scientific names are common all over would. It gives information on class, family, genus, species, variety etc Ex. Solanaceous family, Potato, brinjal, chili, cucurbitaceous family: Melons, gourds. Not useful to grower. Thus botanical classification is useful to breeder, seed producer and to avoid confusion in common name.
2. Classification Based on Hardiness:
Vegetables are grouped as hardy or tender on the basis of tolerance to frost, tolerance to lower temperature. This gives information of season of growing i.e. summer or winter. Not useful to grower, since soil and climatic requirements are
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Hardy
Semi Hardy
Tender
Asparagus
Beet Root
Okra
Cabbage
Carrot
Brinjal
Garlic
Cauliflower
Tomato / Chili
Onion
Palak
Beans
Peas
Potato
Cucurbit
Radish
Sweet Potato
Spinach
Sweet Potato
Spinach
Amaranthus
Turmp
3) Based on Parts Used for Consumption:
From roots to fruits different parts of vegetables are consumed. On that basis vegetables are classified.
Leafy Vegetable
Palak, Amaranthus Methi (leaves)
Root
Carrot, Radish, Turnip’, beet root
Fruit
Tomato, Biinjal; Cucurbit
Bulb
Onion, Garlic
Tuber
Potato, Sweet Potato
4) Based on Method of Culture:
In this method all those crops having similar cultural requirements are grouped together. They" are botanically different. System has practical utility for vegetable grower. In this method one can generalise cultivation practices for one group and thus avoid repetition individually for all crops. There are 11 classes. In some cases they are botanically also similar Ex. cucurbits. On excises for convenience they are grouped as under.
I.
Perennial Vegetable
Asparagus, cocinia (Tondali), Parwal, Drumstick
2
Greens
Spinach
3
Salad Crops
Lettuce, celery
4
Cole Crops
Cabbage, Cauliflower
5
Bulb Crops
Onion, Garlic
6
Root Crops
Carrot / radish, turnip
7
Tuber
a) Potato
Fruits & Veggies – More Matters is a national public health initiative from Produce for Better Health Foundation and Centers for Disease Control and Prevention (CDC) to increase the consumption of fruits and vegetables.
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Food and beverage service Restaurant Services notes V1.pptx
Various Pigments in Plant - MANUGAY.pptx
1. Various Pigments in Vegetable and
Various Types of Vegetable
LESLIE JOY C. MANUGAY
Reporter
2. VEGETABLES – is the edible portion of plant. Vegetables are usually
grouped according to the portion of plant that is eaten such as leaves
(lettuce), stem (celery), roots (carrots), tubers (potato), bulbs (onion), and
flowers (broccoli).
There are seed such as peas which are also considered
vegetables.
3.
4. The pigments found in plants play an important roles in plant metabolism
and visual attraction in nature.
They are also important for humans, attracting our attention and providing
us with nutrients. Major plant pigments include Carotenoids, Anthocyanins
and other Flavonoids, Betalains, and Chlorophylls.
Horticulturists have long studied plant pigments in vegetables, fruits and
ornamental crops because of their vital role in visual appeal. More recently
efforts have included nutritional evaluation and improvement of food crops
as a source of vitamins.
5. Pigment Present in Vegetable
Pigment # 1. Flavones: Flavones are mainly found in spices and red or purple plant foods which are
enzymes that metabolize most drugs in the body but rapidly excreted in the urine.
In simpler terms, they help your body function more efficiently while protecting it
against everyday toxins and stressor. Flavonoids are also powerful antioxidant agents.
6. Pigment # 2. Chlorophyll: Chlorophyll is vital for photosynthesis, which allows plants to absorb
energy from light.
- is the natural compound present in green plants that gives them their
color. This nutrient is present in green vegetables and other plant- based foods, like algae.
7. Pigment # 3. Carotene: Carotene is responsible for the orange colour of the carrots and the colours
of many other fruits and fruits even some animals.
This pigment gives colour to yellow and orange vegetables such as carrot, corn, winter squash,
sweet potato, tomato, and red pepper. This is the most stable of the colour pigments
8. Pigment # 4. Betalains: Betalains also occur in some higher order fungi. They are most often
noticeable in the petals of flowers, but may color the fruits, leaves, stems, and roots of plants that
contain them.
The pigments in the root tissue of red beets are not chemically similar to anthocyanins; they contain
nitrogen and are called betalains. Some of these pigments are purplish red, whereas others are
yellow. Beets lose much pigment and become pale when they are pared and sliced before cooking,
because the pigments are soluble in water and leach from the tissues.
9. Pigment # 5. Anthoxanthin: Anthoxanthins are water-soluble pigments which range in color from
white or colorless to a creamy to yellow, often on petals of flowers. These pigments are generally
whiter in an acid medium and yellowed in an alkaline medium. They are very susceptible to color
changes with minerals and metal ions, similar to anthocyanins.
10.
11. ROOT VEGETABLES - are underground plant parts eaten by humans as food.
- are generally storage organs, enlarged to store energy
in the form of carbohydrates.
LEAFY VEGETABLES – are an important part of a healthy diet. They’re packed with
vitamins, minerals and fiber but low in calories. Eating leafy greens can offer
numerous health benefits including reduce risk of obesity, hearth disease, high blood
pressure and mental decline
FUNGI VEGETABLES – “Fungi “ in the vegetables sense denotes mushrooms and
truffles. The part eaten is the fruiting body.
-Although mushrooms are classified as vegetables, technically they
are not plants but part of the kingdom called Fungi.
FLOWER VEGETABLES- it contribute to increasing the appearance of food. They can
provide biologically active substances including vitamin A, C, riboflavins, niacin, and etc.
12. BULBS VEGETABLES – such as garlic, onion and leek, are aromatic vegetables that
are used to flavour casseroles, broths, courts- bouillons and soups.
PODS VEGETABLES – are a type of fruit vegetables where pods are often eaten
when they are still green. Such plants as green beans or lotus tetragonolobus in
the family Fabaceae, or okras in the family Malvaceae.
STEM VEGETABLES- include asparagus and kohlrabi. Among the edible tubers,
or underground stems, are potatoes.
13. TYPES OF VEGETABLES
Leafy green – lettuce, spinach and silverbeet
Cruciferous – cabbage, cauliflower, Brussels sprouts and broccoli
Marrow – pumpkin, cucumber and zucchini
Root – potato, sweet potato and yam
Edible plant stem – celery and asparagus
14. Allium – onion, garlic and shallot.
Soy products – tofu (bean curd) and soybeans
Legume flours – chickpea flour (besan), lentil flour and soy flour
Dried beans and peas – haricot beans, red kidney beans, chickpeas and lentils
Fresh beans and peas – green peas, green beans, butter beans, broad beans
and snow peas.
15. CLASSIFICATIONS OF VEGETABLES
Red foods – like tomatoes and watermelon. These contain lycopene, which is
thought to be important for fighting prostate cancer and heart disease
Green vegetables – like spinach and kale. These contain lutein and zeaxanthin,
which may help protect agains age-related eye disease
Blue and purple foods – like blueberries and eggplant. These contain
anthocyanins, which may help protect the body from cancer
White foods – like cauliflower. These contain sulforaphane and may also help
protect against some cancers
16. Selecting Fruits and Vegetables
Eat with the seasons – this is nature’s way of making sure our bodies get a
healthy mix of nutrients and plant chemicals
Try something new – try new recipes and buy new fruit or vegetables as
part of your weekly shopping
Let colours guide you – get different combinations of nutrients by putting a
‘rainbow’ of colours (green, white, yellow–orange, blue–purple, red) on
your plate.